Beaver Creek Safe Harbor Beaver Creek [Member] Safe Harbor Beaver Creek 2025 Operating and Finance Leases, Liability, Payments, Due Next Twelve Months Operating and Finance Leases, Liability, Payments, Due Next Twelve Months Operating Leases Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Holly Creek Safe Harbor Holly Creek [Member] Safe Harbor Holly Creek Laurel Heights Laurel Heights [Member] Laurel Heights [Member] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule of Future Minimum Operating Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Thereafter Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized After Three Years Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized After Three Years West Palm Beach Safe Harbor West Palm Beach [Member] Safe Harbor West Palm Beach Fond du Lac East / Kettle Moraine KOA Fond du Lac East / Kettle Moraine KOA [Member] Fond du Lac East / Kettle Moraine KOA Settlement of preferred equity interests in connection with exchange for noncontrolling interests Noncash or Part Noncash Acquisition, Preferred Equity Interests Settled Noncash or Part Noncash Acquisition, Preferred Equity Interests Settled Trading Symbol Trading Symbol Ownership interest Equity Method Investment, Ownership Percentage Loss on remeasurement of marketable securities Loss on remeasurement of marketable securities (see Note 15) Equity Securities, FV-NI, Realized Gain (Loss) Non-NEOs Non-NEOs [Member] Term (in years) Long-Term Debt, Term Conversions Temporary Equity, Stock Issued During Period, Value, Conversion of Convertible Securities Temporary Equity, Stock Issued During Period, Value, Conversion of Convertible Securities Sun Retreats Seashore Sun Retreats Seashore [Member] Sun Retreats Seashore Other redeemable noncontrolling interests Temporary Equity, Accretion to Redemption Value Real property Fixed lease income Lease Income Rentable square feet Net Rentable Area Disposal Group Name [Domain] Disposal Group Name [Domain] Maplewood Manor Maplewood Manor [Member] Maplewood Manor [Member] Line of Credit Facility [Table] Line of Credit Facility [Table] OP Units accretion Temporary Equity, Accretion of Interest and Accumulated Distributions In Excess Of Net Income, Adjustment Temporary Equity, Accretion of Interest and Accumulated Distributions In Excess Of Net Income, Adjustment 2029 Lessor, Operating Lease, Payment to be Received, Year Five Portfolio Of RV Properties Portfolio Of RV Properties [Member] Portfolio Of RV Properties Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Issuance of third party equity interests in consolidated entities Issuance of Third Party Equity Interests in Consolidated Entities Issuance of Third Party Equity Interests in Consolidated Entities Jellystone Park™ at Tower Park Jellystone Park At Tower Park [Member] Jellystone Park At Tower Park [Member] Sun Outdoors Moab Downtown Sun Outdoors Moab Downtown [Member] Sun Outdoors Moab Downtown Investment, Name [Domain] Investment, Name [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] OP Units accretion Accumulated Distributions In Excess Of Net Income, Adjustment For Accretion Of Temporary Equity Accumulated Distributions In Excess Of Net Income, Adjustment For Accretion Of Temporary Equity Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Sun Retreats Homosassa River Sun Retreats Homosassa River [Member] Sun Retreats Homosassa River Burnt Store Safe Harbor Burnt Store [Member] Safe Harbor Burnt Store Willowbrook Place Willowbrook [Member] Willowbrook [Member] Leases [Abstract] Leases [Abstract] Finite-lived intangible assets, gross carrying amount Finite-Lived Intangible Assets, Gross Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Release of foreign currency translation Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) Sunrise Estates Sunrise Estates [Member] Sunrise Estates Operating Segments Operating Segments [Member] Net Cash Provided By Operating Activities Net Cash Provided by (Used in) Operating Activities Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Onset Bay Safe Harbor Onset Bay [Member] Safe Harbor Onset Bay Matures December 1, 2024 - February 6, 2025 Matures December 1, 2024 - February 6, 2025 [Member] Matures December 1, 2024 - February 6, 2025 Business Combination, Consideration Transferred, Other Business Combination, Consideration Transferred, Other Extended maturity date period Line of Credit, Extended Maturity Date Period Line of Credit, Extended Maturity Date Period Tax provision / (benefit) - taxable subsidiaries Income Tax Expense (Benefit), Taxable Subsidiaries, Amount Income Tax Expense (Benefit), Taxable Subsidiaries Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Sun Outdoors Chesapeake Bay Sun Outdoors Chesapeake Bay [Member] Sun Outdoors Chesapeake Bay Resident balances days past due Resident Balance Past Due Period Resident Balance Past Due Period Finance lease Finance Lease, Weighted Average Remaining Lease Term Felixstowe Beach Felixstowe Beach [Member] Felixstowe Beach Proceeds from divestiture of businesses Proceeds from Divestiture of Businesses Temporary equity (see Note 9) Beginning balance Ending balance Equity interest Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Creek Wood Creekwood Meadows [Member] Creekwood Meadows [Member] Four Seasons Four Seasons [Member] Four Seasons [Member] Lakeview Estates Lakeview Estates [Member] Lakeview Estates Settlement of notes receivable balance Increase (Decrease) in Accounts and Notes Receivable Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Company Selected Measure Amount Company Selected Measure Amount Tabular List, Table Tabular List [Table Text Block] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Tallowwood Isle Tallowwood Isle [Member] Tallowwood Isle [Member] Broadland Sands Broadland Sands [Member] Broadland Sands Shelby Forest Shelby Forest [Member] Shelby Forest [Member] Total securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Sale of Common Stock Schedule of Sale of Common Stock [Table Text Block] Schedule of Sale of Common Stock [Table Text Block] Grove Beach Grove Beach [Member] Grove Beach [Member] Utilities - Real property Utilities Expense Utilities Expense Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Cave Creek Cave Creek [Member] Cave Creek [Member] Credit Facility [Domain] Credit Facility [Domain] Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Smith Creek Crossing Smith Creek Crossing [Member] Smith Creek Crossing [Member] Revolving Loan Revolving Loan [Member] Revolving Loan Friendly Village of La Habra Friendly Village of La Habra [Member] Friendly Village of La Habra [Member] Sun Outdoors Sarasota Sun Outdoors Sarasota [Member] Sun Outdoors Sarasota Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Number pf properties subject to note receivable Number Of Real Estate Properties Subject To Note Receivable Number Of Real Estate Properties Subject To Note Receivable Ordinary annual taxable dividend Ordinary Dividend Taxable, Percent Ordinary Dividend Taxable, Percent Common stock withheld to satisfy income tax obligations related to vesting of restricted stock awards Payment, Tax Withholding, Share-Based Payment Arrangement OP Units accretion Temporary Equity, Accretion of Interest Hurricane Ian Hurricane Ian [Member] Hurricane Ian Lakefront Safe Harbor Lauderdale Marine Center [Member] Safe Harbor Lauderdale Marine Center Series J preferred OP units Series J Preferred OP Units [Member] Series J Preferred OP Units Sun Retreats Old Orchard Beach Sun Retreats Old Orchard Beach [Member] Sun Retreats Old Orchard Beach Kissimmee Gardens Kissimmee Gardens [Member] Kissimmee Gardens [Member] Annual Distribution Rate Temporary Equity, Dividends Temporary Equity, Dividends Other Financing Activities Proceeds from (Payments for) Other Financing Activities Other expenses - Real property Other Expenses Southern Leisure RV Resort Southern Leisure RV Resort [Member] Southern Leisure RV Resort Finance lease Finance Lease, Weighted Average Discount Rate, Percent Time Based Time Based [Member] Time Based [Member] Collateralized Receivables and Transfers of Financial Assets Transfers and Servicing of Financial Assets [Text Block] Common OP units Conversion of Common OP Units [Member] Conversion of Common OP Units [Member] Canadian Portfolio Canadian Portfolio [Member] Canadian Portfolio 2025 Finance Lease, Liability, to be Paid, Year One Permanent space Permanent Space [Member] Permanent Space Net Deferred Tax Liability Deferred Tax Liabilities, Net Currency translation adjustments Goodwill, Foreign Currency Translation Gain (Loss) 2028 Operating and Finance, Liability, Payments, Due Year Four Operating and Finance, Liability, Payments, Due Year Four Equity Interest Type [Axis] Equity Interest Type [Axis] Unsecured debt (see Note 8) Total Unsecured Debt Unsecured Debt And Other Unsecured Debt And Other Matures December 1, 2024 - January 15, 2044 Matures December 1, 2024 - January 15, 2044 [Member] Matures December 1, 2024 - January 15, 2044 Narrows Point Safe Harbor Narrows Point [Member] Safe Harbor Narrows Point Aqualand Safe Harbor Aqualand [Member] Safe Harbor Aqualand Steeple Bay Steeple Bay [Member] Steeple Bay Expiration Date Trading Arrangement Expiration Date RV Property In California RV Property In California [Member] RV Property In California Chantry Chantry [Member] Chantry Port Milford Safe Harbor Port Milford [Member] Safe Harbor Port Milford Property operating and maintenance Cost of Other Property Operating Expense Total Shareholder Return Amount Total Shareholder Return Amount Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Sun Outdoors Lake Travis Sun Outdoors Lake Travis [Member] Sun Outdoors Lake Travis Other receivables Other Receivables, Other Other Receivables, Other Vesting Type [Domain] Vesting Type [Domain] [Domain] for Vesting Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Other assets, net Other Assets (Gain) / loss on remeasurement of investment in nonconsolidated affiliates (see Note 7) Gain (Loss) On Remeasurement Of Investment In Nonconsolidated Entities Gain (Loss) On Remeasurement Of Investment In Nonconsolidated Entities Gross deferred tax assets Deferred Tax Assets, Gross Windmill Village Windmill Village [Member] Windmill Village [Member] Lafayette Place Lafayette Place [Member] Lafayette Place [Member] Pismo Dunes Resort Pismo Dunes [Member] Pismo Dunes [Member] Siesta Key Safe Harbor Siesta Key [Member] Safe Harbor Siesta Key Sun Retreats Sea Isle Sun Retreats Sea Isle [Member] Sun Retreats Sea Isle Concentration Risk Type [Domain] Concentration Risk Type [Domain] Sun Retreats Daytona Beach Sun Retreats Daytona Beach [Member] Sun Retreats Daytona Beach Themeworld Themeworld [Member] Themeworld Ocean Breeze Resort Ocean Breeze Resort [Member] Ocean Breeze Resort [Member] Sale of Stock [Domain] Sale of Stock [Domain] Foreign currency translation gain / (loss) arising during period Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Schedule of Changes of Level 3 Financial Instruments Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Manufactured Home Community Manufactured home community [Member] Manufactured home community [Member] All Executive Categories All Executive Categories [Member] Asset impairments SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction Assets Identifiable Assets Assets [Abstract] Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Document Type Document Type Fixed Interest Rate Debt Instrument, Interest Rate, Effective Percentage Derivative Contract Type [Domain] Derivative Contract [Domain] Grider Hill Safe Harbor Grider Hill [Member] Safe Harbor Grider Hill Collateralized Receivables, net Transfers Accounted For As Secured Borrowings, Asset [Member] Transfers Accounted For As Secured Borrowings, Asset Proceeds from Sale of Notes Receivable, Gross of Fees Proceeds from Sale of Notes Receivable, Gross of Fees Proceeds from Sale of Notes Receivable, Gross of Fees Sun Retreats Orlando ChampionsGate Sun Retreats Orlando Champions Gate [Member] Sun Retreats Orlando Champions Gate Asset Impairments Asset Impairments [Member] Asset Impairments Business interruption insurance, period of coverage Business Interruption Insurance, Period of Coverage Business Interruption Insurance, Period of Coverage Ferry Point Safe Harbor Ferry Point [Member] Safe Harbor Ferry Point Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Glen Haven Glen Haven RV Resort [Member] Glen Haven RV Resort [Member] Merrymeeting Merrymeeting [Member] Merrymeeting [Member] Flamingo Lake Flamingo Lake RV Resort [Member] Flamingo Lake RV Resort Beaufort Safe Harbor Beaufort [Member] Safe Harbor Beaufort Suffolk Sands Suffolk Sands [Member] Suffolk Sands Total Lease Cost Lease, Cost Statistical Measurement [Axis] Statistical Measurement [Axis] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Changes in Fair Value, Level 3 [Domain] Changes in Fair Value, Level 3 [Domain] Changes in Fair Value, Level 3 [Domain] Marlie Marlie [Member] Marlie Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Augusta Village Augusta Village [Member] Augusta Village Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Sun Outdoors Ocean City Gateway Sun Outdoors Ocean City Gateway [Member] Sun Outdoors Ocean City Gateway Hedley Wood Hedley Wood [Member] Hedley Wood Montauk Yacht Club [Member] Montauk Yacht Club [Member] Montauk Yacht Club Port Milford Port Milford [Member] Port Milford Coastal Estates Coastal Estates [Member] Coastal Estates Investment, Name [Axis] Investment, Name [Axis] Victor Villa Victor Villa [Member] Victor Villa [Member] Sun Retreats Naples East Sun Retreats Naples East [Member] Sun Retreats Naples East Lakeshore Landings Lakeshore Landings [Member] Lakeshore Landings [Member] Current tax expense (see Note 12) Current Income Tax Expense (Benefit) Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Weighted-average Discount Rate Weighted Average Discount Rate [Abstract] Weighted Average Discount Rate Conversion price (in dollars per share) Convertible Preferred Stock, Conversion Price Convertible Preferred Stock, Conversion Price Gain / (loss) on remeasurement of investment in nonconsolidated affiliates Gain (Loss) on Remeasurement of Investment Gain (Loss) on Remeasurement of Investment Essex Island Safe Harbor Essex Island [Member] Safe Harbor Essex Island Oakwood Village Oakwood Village [Member] Oakwood Village [Member] White Lake White Lake [Member] White Lake [Member] Parkside Village Parkside Village [Member] Parkside Village [Member] Marketable securities Marketable Securities [Member] Marketable Securities [Member] Preferred equity term Temporary Equity, Term Temporary Equity, Term West Mersea West Mersea [Member] West Mersea Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Countryside Village of Atlanta Countryside Atlanta [Member] Countryside Atlanta [Member] Beauport Beauport [Member] Beauport Realized gains / (losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Jellystone Park™ at Delaware Beaches Jellystone Park at Delaware Beaches [Member] Jellystone Park at Delaware Beaches Fair Value of Shares Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Net Income / (Loss) Net Income / (Loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Number of UK properties Number of Properties Subject to Financial Liability Number of Properties Subject to Financial Liability Stowford Stowford [Member] Stowford Plas Coch Plas Coch [Member] Plas Coch The Valley The Valley [Member] The Valley [Member] Belle Maer Safe Harbor Belle Maer [Member] Safe Harbor Belle Maer Angler House Safe Harbor Angler House [Member] Safe Harbor Angler House Meadowstone Meadowstone [Member] Meadowstone Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Ventura Harbor Fuel(1) Savannah Yacht Center [Member] Savannah Yacht Center Gain (loss) on real estate reacquired Real Estate Reacquired, Gain (Loss) Real Estate Reacquired, Gain (Loss) Sun Retreats Gun Lake Sun Retreats Gun Lake [Member] Sun Retreats Gun Lake Franchise agreements and other intangible assets Franchise Rights [Member] Indirect percentage of equity interest Related Party Transaction, Equity Interest in Office Space, Percentage Related Party Transaction, Equity Interest in Office Space, Percentage 2015 Equity Incentive Plan Two Thousand Fifteen Equity Plan [Member] Two Thousand Fifteen Equity Plan [Member] Other Other Operating Activities, Cash Flow Statement Key Employees and Executive Officers Key Employees and Executive Officers [Member] Key Employees and Executive Officers. Wickford Cove Safe Harbor Wickford Cove [Member] Safe Harbor Wickford Cove Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Sylvan Glen Estates Sylvan Glen Estates [Member] Sylvan Glen Estates Related Party Transaction [Axis] Related Party Transaction [Axis] Notes receivable from real estate developers and operators Notes Receivable, Fair Value Disclosure Deep River Safe Harbor Deep River [Member] Safe Harbor Deep River Savanna Club Savanna Club [Member] Savanna Club [Member] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Buena Vista Buena Vista [Member] Buena Vista [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Westbrook Village Westbrook Village [Member] Westbrook Village [Member] Jamestown Boatyard Safe Harbor Jamestown Boatyard [Member] Safe Harbor Jamestown Boatyard Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Trade Winds Safe Harbor Trade Winds [Member] Safe Harbor Trade Winds Jellystone Park™ Waller(8) Lone Star Jellystone Park [Member] Lone Star Jellystone Park Dispositions of properties Disposition of properties [Member] Disposition of properties Depreciation and amortization expense on reclassified assets Depreciation Expense on Reclassified Assets Change in valuation allowance, percentage Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Other financial liabilities (contingent consideration) Other Liabilities, Fair Value Disclosure Restatement Determination Date Restatement Determination Date Sun Outdoors Panama City Beach Sun Outdoors Panama City Beach [Member] Sun Outdoors Panama City Beach Country Meadows Village Country Meadows Village [Member] Country Meadows Village [Member] Goodwill and other intangible assets Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Goodwill And Other Intangible Assets Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Goodwill And Other Intangible Assets Pleasant Beach Campground Pleasant Beach Campground [Member] Pleasant Beach Campground Water Oak Country Club Estates Water Oak Country Club Estates [Member] Water Oak Country Club Estates Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Sun Retreats Lake Josephine Sun Retreats Lake Josephine RV Resort [Member] Sun Retreats Lake Josephine RV Resort [Member] Country Hills Village Country Hills Village [Member] Country Hills Village [Member] Less: Preferred return to preferred OP units / equity interests Preferred return to Series A-1 preferred OP units Preferred return to convertible, non-redeemable Series A-1 Preferred Operating Partnership unit holders. Fourteen Subsidiaries Following Sun NG Transaction in Q4 2023 Fourteen Subsidiaries Following Sun NG Transaction in Q4 2023 [Member] Fourteen Subsidiaries Following Sun NG Transaction in Q4 2023 Currency [Axis] Currency [Axis] Byron Center Byron Center [Member] Byron Center [Member] Newport Shipyard Safe Harbor Newport Shipyard [Member] Safe Harbor Newport Shipyard Secured borrowings on collateralized receivables Collateralized Receivables, Net [Member] Collateralized Receivables, Net Number of options to extend maturity date Line of Credit, Number of Options to Extend Maturity Date Line of Credit, Number of Options to Extend Maturity Date Lines of credit Lines of Credit, Fair Value Disclosure Schedule of Finite-Lived Intangible Assets, Amortization Expense [Table] Schedule of Finite-Lived Intangible Assets, Amortization Expense [Table] Tabular disclosure of amortization expense related to finite-lived intangible assets by category. Total liabilities measured at fair value Financial Liabilities Fair Value Disclosure Oak Grove Oak Grove [Member] Oak Grove [Member] Sheffield Estates Sheffield Estates [Member] Sheffield Estates Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] MH Operating Community MH Operating Community [Member] MH Operating Community Harts Harts [Member] Harts Sportsman Safe Harbour Sportsman [Member] Safe Harbour Sportsman Forest Hill Forest Hill [Member] Forest Hill [Member] Sky Harbor Sky Harbor [Member] Sky Harbor [Member] Ariana Village Ariana Village [Member] Ariana Village [Member] Number of properties sold Number of Properties Sold Number of Properties Sold Significant Accounting Policies [Table] Significant accounting policies [Table] Significant accounting policies [Table] Hunters Crossing Hunters Crossing [Member] Hunters Crossing [Member] Number of instruments settled Derivative, Number of Instruments Settled Derivative, Number of Instruments Settled Executive Officers Executive Officer [Member] Borrowings on lines of credit Proceeds from Lines of Credit Purchases and issuances Purchases and Inssurances [Member] Purchases and Inssurances Change in estimated property insurance recoveries Change in Estimated Insurance Recoveries Change in Estimated Insurance Recoveries Market Condition Market Condition [Member] Market Condition [Member] Bayfront Safe Harbor Bayfront [Member] Safe Harbor Bayfront Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Entity Public Float Entity Public Float Other adjustments Other Adjustments [Member] Other Adjustments Disposal Group Name [Axis] Disposal Group Name [Axis] Sun Outdoors New Orleans North Shore Sun Outdoors New Orleans North Shore [Member] Sun Outdoors New Orleans North Shore 2028 Lessor, Operating Lease, Payment to be Received, Year Four Basic earnings - net income / (loss) attributable to common shareholders after allocation to restricted stock awards Net income attributable to common shareholders after restricted stock allocation Net income attributable to common shareholders after restricted stock allocation Total Income from Nonconsolidated Affiliates Income (Loss) from Equity Method Investments Income (Loss) from Equity Method Investments Distributions of capital from nonconsolidated affiliates Distributions of Capital from Nonconsolidated Entities Distributions of Capital from Nonconsolidated Entities Lemon Wood Lemon Wood [Member] Lemon Wood [Member] Payments to Acquire Buildings Payments to Acquire Buildings Aggregate gross sales price Aggregate Value of Shares to be Issued in Accordance to Sales Agreement Aggregate Value of Shares to be Issued in Accordance to Sales Agreement Distributions payable Dividends Payable Investments, Owned, Federal Income Tax Note [Line Items] Investments, Owned, Federal Income Tax Note [Line Items] Less: Imputed interest Financial Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for rental payments related to failed sale-leaseback transactions in excess of discounted obligation for lease payments for finance lease. Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Palos Verdes Shores MH & Golf Community Palos Verdes Shores MH & Golf Community [Member] Palos Verdes Shores MH & Golf Community [Member] Equity interest and note receivable transferred in exchange for noncontrolling interests Noncash or Part Noncash Acquisition, Other Assets Acquired Principal amortization Loan principal amortization [Member] Loan principal amortization [Member] Local Phone Number Local Phone Number Harbortown Safe Harbor Harbortown [Member] Safe Harbor Harbortown Jellystone Park™ Luray Jellystone Park At Luray [Member] Jellystone Park At Luray [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Investments in nonconsolidated affiliates Payments to Acquire Interest in Subsidiaries and Affiliates Equity Method Investment [Table] Equity Method Investment [Table] Mill Creek Mill Creek [Member] Mill Creek RV Resort [Member] Oak Ridge Oak Ridge [Member] Oak Ridge [Member] Sunset Harbor at Cow Key Marina Sunset Harbor at Cow Key Marina [Member] Sunset Harbor at Cow Key Marina [Member] Mountain View Mountain View [Member] Mountain View [Member] Basis differences - foreign investment Deferred Tax Liabilities, Investments PEO Total Compensation Amount PEO Total Compensation Amount Senior unsecured notes Senior Notes Ellenton Gardens Ellenton Gardens RV Resort [Member] Ellenton Gardens RV Resort [Member] December 2021 Sales Agreement December 2021 Sales Agreement [Member] December 2021 Sales Agreement All UK Properties Including UK Headquarters and Others All UK Properties Including UK Headquarters and Others [Member] All UK Properties Including UK Headquarters and Others Timberline Estates Timberline Estates [Member] Timberline Estates [Member] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Long-Lived Assets by Geographic Areas Long-Lived Assets by Geographic Areas [Table Text Block] Treasury Rate Lock and Interest Rate Swap Treasury Lock and Interest Rate Swap [Member] Treasury Lock and Interest Rate Swap Debt Disclosure [Abstract] Debt Disclosure [Abstract] Burghead / Lossiemouth / Silver Sands Burghead / Lossiemouth / Silver Sands [Member] Burghead / Lossiemouth / Silver Sands Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Investment in properties Payments for Capital Improvements and Developments of Real Estate Payments for Capital Improvements and Developments of Real Estate Swan Meadow Village Swan Meadow [Member] Swan Meadow [Member] Bowland Fell Bowland Fell [Member] Bowland Fell Line of credit facility, additional borrowing capacity Line of credit facility, additional borrowing capacity Line of credit facility, additional borrowing capacity Other Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Common stock withheld to satisfy income tax obligations related to vesting of restricted stock awards (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Entity Central Index Key Entity Central Index Key Other segment items Segment Reporting, Other Segment Item, Amount General and Administrative Expense General and Administrative Expense [Member] Jellystone Park™ Hill Country Jellystone Park At Hill Country [Member] Jellystone Park At Hill Country [Member] Secured borrowings on collateralized receivables, gross Transfers Accounted for as Secured Borrowings, Associated Liabilities, Gross Transfers Accounted for as Secured Borrowings, Associated Liabilities, Gross Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount USD United States of America, Dollars Sun Outdoors Saco Old Orchard Beach Sun Outdoors Saco Old Orchard Beach [Member] Sun Outdoors Saco Old Orchard Beach Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Percentage of conversation price, threshold for exchange Temporary Equity, Percentage of Conversation Price, Threshold for Exchange Temporary Equity, Percentage of Conversation Price, Threshold for Exchange Seawick Seawick [Member] Seawick Realized losses Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Share-based compensation - amortization and forfeitures APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Legal, taxes, and insurance - Real property Professional Fees Restricted Stock Restricted Stock [Member] Unsecured Debt Unsecured Debt [Member] Percentage of consideration able to be transferred and paid for in subsequent closings Disposal Group, Including Discontinued Operation, Percentage Of Consideration Able To Be Transferred And Paid For In Subsequent Closings Disposal Group, Including Discontinued Operation, Percentage Of Consideration Able To Be Transferred And Paid For In Subsequent Closings Wickford Safe Harbor Wickford [Member] Safe Harbor Wickford Warren Dunes Village Warren Dunes Village [Member] Warren Dunes Village [Member] Less: Comprehensive (income) / loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest City Area Code City Area Code Auditor Location Auditor Location Reserve at Fox Creek Reserve at Fox Creek [Member] Reserve at Fox Creek [Member] Pinebrook Village Pinebrook Village [Member] Pinebrook Village [Member] Insurance receivables Insurance receivables Insurance receivables Highland Greens Estates Highland Green Estates [Member] Highland Green Estates Rate differential, percentage Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Sun Retreats Amherstburg Sun Retreats Amherstburg [Member] Sun Retreats Amherstburg Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Gain on disposition of assets Gain (Loss) on Disposition of Assets Desert Harbor Desert Harbor [Member] Desert Harbor [Member] Eagle Crest Eagle Crest [Member] Eagle Crest [Member] Paddock Park South Paddock Park South [Member] Paddock Park South [Member] Conversions Temporary Equity and Stock Issued During Period, Value, Conversion of Convertible Securities Temporary Equity and Stock Issued During Period, Value, Conversion of Convertible Securities Indian Wells Indian Wells RV Resort [Member] Indian Wells RV Resort [Member] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Big Tree Big Tree RV Resort [Member] Big Tree RV Resort [Member] Sun NG Resorts Transaction Sun NG Resorts Transaction [Member] Sun NG Resorts Transaction Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Bluewater Safeharbor Bluewater [Member] Safeharbor Bluewater Kittatinny K-Camp(8) Kittatinny Campground And RV Resort [Member] Kittatinny Campground And RV Resort Subsequent Event Type [Axis] Subsequent Event Type [Axis] Gain / (loss) on disposition of properties Gain / (loss) on disposition of properties [Member] Gain / (loss) on disposition of properties Earnings (loss) per share: Earnings Per Share [Abstract] Camelot Villa Camelot Villa [Member] Camelot Villa [Member] Equity [Abstract] Equity [Abstract] Greenport Safe Harbor Greenport [Member] Safe Harbor Greenport Class of Stock [Domain] Class of Stock [Domain] Sun Outdoors Petoskey Bay Harbor Sun Outdoors Petoskey Bay Harbor [Member] Sun Outdoors Petoskey Bay Harbor Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Aggregate cost of total real estate for federal income tax purposes SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Add: common shares dilutive effect from Forward Equity Offering Weighted Average Common Shares Outstanding, Adjustment, Common Share From Forward Sale Weighted Average Common Shares Outstanding, Adjustment, Common Share From Forward Sale 2026 Long-Term Debt, Maturity, Year Two Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Underlying Securities Award Underlying Securities Amount Notes due from other real estate developers Notes Due From Other Real Estate Developers [Member] Notes Due From Other Real Estate Developers Richmond Place Richmond Place [Member] Richmond Place Legal fees Legal Fees Amendment Flag Amendment Flag Park Holidays Park Holidays [Member] Park Holidays Net foreign currency translation losses Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Orchard Lake Orchard Lake [Member] Orchard Lake [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Asset impairments Asset impairments Other Asset Impairment Charges Temporary Equity Increase (Decrease) in Temporary Equity [Roll Forward] Property Insurance Recoveries, excluding Business Interruption Recoveries Property Insurance Recoveries, excluding Business Interruption Recoveries [Table Text Block] Tabular disclosure of property insurance recoveries. Includes, but is not limited to, the nature of the event resulting in loss, amount of property insurance recoveries recognized, and line item in the statement of income in which those recoveries are classified. Subsequent Events [Abstract] Subsequent Events [Abstract] Gulfstream Harbor Gulfstream Harbor [Member] Gulfstream Harbor [Member] 2025 Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Next Twelve Months Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Next Twelve Months Deferred financing costs Deferred financing costs Debt Issuance Costs, Net Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] MH Properties Located in the U.K. MH Properties Located In The UK [Member] MH Properties Located In The UK Serendipity Serendipity [Member] Serendipity [Member] Number of properties acquired Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent, Number Of Properties Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent, Number Of Properties Audit Information [Abstract] Audit Information Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Pineland Safe Harbor Pineland [Member] Safe Harbor Pineland Dovercourt Dovercourt [Member] Dovercourt Principal amount Debt Instrument, Face Amount Sales and settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Entity Address, Postal Zip Code Entity Address, Postal Zip Code Sun Retreats Rehoboth Bay Sun Retreats Rehoboth Bay [Member] Sun Retreats Rehoboth Bay Lantana Ranch Lantana Ranch [Member] Lantana Ranch Jellystone Park™ at Birchwood Acres Jellystone Park™ at Birchwood Acres MH & RV Resort [Member] Jellystone Park™ at Birchwood Acres MH & RV Resort Sun Communities Sun Communities [Member] Sun Communities Business combinations Business combinations Business Combination, Integration Related Costs Rancho Alipaz Rancho Alipaz [Member] Rancho Alipaz [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Sun Retreats Cape May Wildwood Sun Retreats Cape May Wildwood [Member] Sun Retreats Cape May Wildwood Leases Lessor, Operating Leases [Text Block] Initial Cost to Company, Depreciable Assets SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements Transfers accounted for as secured borrowings, associated liabilities, fair value adjustment Transfers Accounted for as Secured Borrowings, Associated Liabilities, Fair Value Adjustment Transfers Accounted for as Secured Borrowings, Associated Liabilities, Fair Value Adjustment Arbor Woods Arbor Woods [Member] Arbor Woods [Member] Waterside Waterside [Member] Waterside Useful life of assets Property, Plant and Equipment, Useful Life Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Gross Amount Carried, Depreciable Assets SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount Park Royale Park Royale [Member] Park Royale [Member] Port Phoenix Safe Harbor Port Phoenix [Member] Safe Harbor Port Phoenix Dispositions and other Real Estate Accumulated Depreciation, Dispositions and Other Real Estate Accumulated Depreciation, Dispositions and Other Timber Ridge Timber Ridge [Member] Timber Ridge [Member] Net Income / (Loss) Attributable to SUI Common Shareholders - Basic Net income / (loss) attributable to SUI common shareholders Net Income (Loss) Available to Common Stockholders, Basic 2025 Financial Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for rental payments related to a failed sale-leaseback transaction to be paid in next fiscal year following current fiscal year. Stingray Point Safe Harbour Stingray Point [Member] Safe Harbour Stingray Point Stock, Class of Stock [Table] Stock, Class of Stock [Table] Norway Commons [Member] Norway Commons [Member] Norway Commons Total Assets Assets Assets Schedule of Installment Notes Receivable [Table] Schedule of Installment Notes Receivable [Table] Schedule of Installment Notes Receivable [Table] Fox Run & Savannah Yacht Center Fox Run & Savannah Yacht Center [Member] Fox Run & Savannah Yacht Center Advertising Costs Advertising Cost [Policy Text Block] Treetops Treetops [Member] Treetops Three Lakes Three Lakes [Member] Three Lakes [Member] St. Osyth Beach / Martello Beach St Osyth Beach [Member] St Osyth Beach 49'er Village Far Horizons 49er Village [Member] Far Horizons 49er Village [Member] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Commitments and contingencies (see Note 16) Commitments and Contingencies Deep Run Deep Run [Member] Deep Run [Member] Rainbow Village Largo Rainbow Village [Member] Rainbow Village Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Long-term Notes and Loans, by Type, Current and Noncurrent [Abstract] Notes and Loans Payable, by Type, Current and Noncurrent [Abstract] Collateralized Mortgage Backed Securities Collateralized Mortgage-Backed Securities [Member] The Ridge The Ridge [Member] The Ridge [Member] Sun Retreat Naples Sun Retreat Naples [Member] Sun Retreat Naples Other liabilities Other Liabilities Total Payments Financial Liability, to be Paid Financial Liability, to be Paid Loch Lomond Safe Harbor Loch Lomond [Member] Safe Harbor Loch Lomond Hemlocks Hemlocks [Member] Hemlocks [Member] Debt Instrument [Axis] Debt Instrument [Axis] Trading Arrangement: Trading Arrangement [Axis] Sun Retreats Avalon Sun Retreats Avalon [Member] Sun Retreats Avalon Maturities Mortgage maturities [Member] Mortgage maturities [Member] Southport Springs Golf & Country Club Southport Springs [Member] Southport Springs [Member] Virginia, Delaware, And Florida Virginia, Delaware, And Florida [Member] Virginia, Delaware, And Florida Revolving loan amount Line of Credit Facility, Current Borrowing Capacity Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Grove Ridge Grove Ridge RV Resort [Member] Grove Ridge RV Resort [Member] Entity File Number Entity File Number Number of Ground Leases Entered Into Number of Ground Leases Entered Into Number of Ground Leases Entered Into Consolidated Entities [Domain] Consolidated Entities [Domain] Noncontrolling Interests Noncontrolling Interest [Member] Entity Address, Address Line One Entity Address, Address Line One Current Current Federal Tax Expense (Benefit) Temporary equity Temporary Equity, Other Changes Entity Address, Address Line Two Entity Address, Address Line Two Exchange Rate Temporary Equity, Conversion Ratio Temporary Equity, Conversion Ratio Sales and settlements Sales and Settlements [Member] Sales and Settlements Kensington Meadows Kensington Meadows [Member] Kensington Meadows [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] North Palm Beach Safe Harbor North Palm Beach [Member] Safe Harbor North Palm Beach Kings Pointe King's Pointe [Member] King's Pointe [Member] Deferred Tax Liabilities Components of Deferred Tax Liabilities [Abstract] Pre-tax income / (loss) attributable to taxable subsidiaries Income (Loss) Attributable to Taxable Subsidiaries Income (Loss) Attributable to Taxable Subsidiaries Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Rudgate Properties Rudgate Properties [Member] Rudgate Village SPE LLC, Rudgate Clinton SPE LLC, and Rudgate Clinton Estates, LLC Change in notes receivable from financed sales of inventory homes, net of repayments Settlement of notes receivable Increase (Decrease) in Notes Receivables Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] GTSC GTSC [Member] GTSC [Member] Site improvements Land Improvements [Member] Other redeemable noncontrolling interests VIE purchased Variable Interest Entity, Equity Interests Issued Variable Interest Entity, Equity Interests Issued PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Series K preferred OP units Series K Preferred OP Units [Member] Series K Preferred OP Units Adjustment to Compensation: Adjustment to Compensation [Axis] Total Equity Increase (Decrease) in Total Equity [Roll Forward] Increase (Decrease) in Total Equity Jellystone Park™ Lazy River(8) Jellystone Park At Gardiner [Member] Jellystone Park At Gardiner [Member] Financial Liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Great Oak Landing Safe Harbor Great Oak Landing [Member] Safe Harbor Great Oak Landing Bahia Vista Estates Bahia Vista Estates [Member] Bahia Vista Estates [Member] In Re Manufactured Home Lot Rents Antitrust Litigation, No. 1:23-cv-06715 In Re Manufactured Home Lot Rents Antitrust Litigation, No. 1:23-cv-06715 [Member] In Re Manufactured Home Lot Rents Antitrust Litigation, No. 1:23-cv-06715 Sun Outdoors Chincoteague Bay Sun Outdoors Chincoteague Bay [Member] Sun Outdoors Chincoteague Bay Exchange period Temporary Equity, Exchange Period Temporary Equity, Exchange Period Sun Retreats Gwynn's Island Sun Retreats Gwynn's Island [Member] Sun Retreats Gwynn's Island Option to repurchase Option To Repurchase, Failed Sale-Leaseback Transaction, Amount Option To Repurchase, Failed Sale-Leaseback Transaction, Amount Sun Retreats Long Beach Island Sun Retreats Long Beach Island [Member] Sun Retreats Long Beach Island Total Shareholders' Equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Brentwood West Brentwood West [Member] Brentwood West [Member] 2028 Financial Liability, to be Paid, Year Four Financial Liability, to be Paid, Year Four Island Lakes Island Lake [Member] Island Lake [Member] Basis differences - US assets Deferred Tax Liability, Basis Difference, Domestic Assets Deferred Tax Liability, Basis Difference, Domestic Assets La Casa Blanca La Casa Blanca [Member] La Casa Blanca [Member] Jellystone Park™ Golden Valley Jellystone Park At Golden Valley [Member] Jellystone Park At Golden Valley [Member] Entity Filer Category Entity Filer Category Jellystone Park™ Wichita Falls(8) Coyote Ranch Resort [Member] Coyote Ranch Resort SV Lift, LLC SV Lift, LLC [Member] SV Lift, LLC Park Place Park Place [Member] Park Place [Member] Cider Mill Crossings Cider Mill Crossings [Member] Cider Mill Crossings [Member] 2027 Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Three Years Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Three Years Statistical Measurement [Domain] Statistical Measurement [Domain] Reserve Harbor Safe Harbor Reserve Harbor [Member] Safe Harbor Reserve Harbor Directors Director [Member] Sun Valley Sun Valley [Member] Sun Valley [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Cash paid for income taxes Income Taxes Paid, Net Pembroke Downs Pembroke Downs [Member] Pembroke Downs [Member] Willsboro Bay Safe Harbor Willsboro Bay [Member] Safe Harbor Willsboro Bay Other Goodwill, Measurement Period Adjustment Conversion of OP units (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Sun Outdoors Salt Lake City Sun Outdoors Salt Lake City [Member] Sun Outdoors Salt Lake City Income Tax Contingency [Table] Income Tax Contingency [Table] Total Equity Total Equity [Member] Total Equity [Member] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three Goodwill [Line Items] Goodwill [Line Items] Leases Lessee, Operating Leases [Text Block] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Pentire Pentire [Member] Pentire Operating lease cost Operating Lease, Cost Number of properties securing a debt instrument Debt Instrument, number of properties securing a debt instument Debt Instrument, number of properties securing a debt instument Number of shares available for future issuance under plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Bear Lake Development Land Bear Lake Development Land [Member] Bear Lake Development Land Interest on lease liabilities Finance Lease, Interest Expense Liabilities, Total Liabilities, Total [Member] Weighted average common shares outstanding: Weighted Average Common Shares Outstanding [Abstract] Weighted Average Common Shares Outstanding [Abstract] Proceeds from sale of real estate Proceeds from Sale of Real Estate Country Lakes Country Lakes [Member] Country Lakes [Member] Entity Tax Identification Number Entity Tax Identification Number Cape Harbour Safe Harbor Cape Harbour [Member] Safe Harbor Cape Harbour Schedule of Senior Unsecured Notes Schedule of Long-Term Debt Instruments [Table Text Block] Total Secured Debt Mortgage loans payable (see Note 8) Secured Debt Deferred Deferred Foreign Income Tax Expense (Benefit) Notes and Other Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Accumulated Other Comprehensive Income / (Loss) AOCI Including Portion Attributable to Noncontrolling Interest [Member] Sale of Stock, Consideration Received on Transaction Sale of Stock, Consideration Received on Transaction Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Mandatorily redeemable preferred equity Financial Instruments Subject to Mandatory Redemption, Value of Shares Issued Financial Instruments Subject to Mandatory Redemption, Value of Shares Issued Plan Name [Axis] Plan Name [Axis] Thereafter Finance Lease, Liability, to be Paid, after Year Five Finance liability on underlying ground lease Present Value of Financial Liability Financial Obligation, Failed Sale-Leaseback Transaction Financial Obligation, Failed Sale-Leaseback Transaction Rancho Caballero Rancho Caballero [Member] Rancho Caballero [Member] Equity Components [Axis] Equity Components [Axis] Total Lease Payments Finance Lease, Liability, to be Paid Cowesett Safe Harbor Cowesett [Member] Safe Harbor Cowesett Total Expenses Costs and Expenses Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Sun Outdoors Marathon Sun Outdoors Marathon [Member] Sun Outdoors Marathon Shady Road Villas Shady Road Villas [Member] Shady Road Villas [Member] Impaired Long-Lived Assets Held and Used by Type [Axis] Impaired Long-Lived Assets Held and Used by Type [Axis] Temporary and permanent equity Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Trevella Trevella [Member] Trevella Geographical [Axis] Geographical [Axis] Bel Air Estates Bel Air Estates [Member] Bel Air Estates Woodhaven Place Woodhaven Place [Member] Woodhaven Place [Member] Stonebrook Stonebrook [Member] Stonebrook [Member] Chief Executive Officer Chief Executive Officer [Member] Dilutive Security [Axis] Dilutive Security [Axis] Dilutive Security Supplies and repairs - Real property Cost of Property Repairs and Maintenance Impairment of Long-Lived Assets to be Disposed of Impairment of Long-Lived Assets to be Disposed of Weighted Average Interest Rates Debt, Weighted Average Interest Rate Cash Flow Hedges: Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract] Current Current Foreign Tax Expense (Benefit) Common OP units issue (in shares) Noncontrolling Interest, Issuance of Stock from Subsidiary Equity Issuance, Shares Noncontrolling Interest, Issuance of Stock from Subsidiary Equity Issuance, Shares Catastrophic event-related impairment Impairment of Real Estate The Landings at Lake Henry The Landings at Lake Henry [Member] The Landings at Lake Henry Consolidation Items [Axis] Consolidation Items [Axis] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Underwriting and other fees Sale of Marketable Securities, Underwriting and Other Fees Sale of Marketable Securities, Underwriting and Other Fees RezPlot RezPlot [Member] RezPlot [Member] Share-based Payment Arrangement, Noncash Expense [Abstract] Share-Based Payment Arrangement, Noncash Expense [Abstract] Series A-1 preferred OP units Series A-1 Preferred OP Units [Member] Preferred OP Units [Member] The Hills The Hills [Member] The Hills [Member] Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items] Schedule of Finite-Lived Intangible Assets, Amortization Expense [Line Items] [Line Items] for Tabular disclosure of amortization expense related to finite-lived intangible assets by category. Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Goodwill [Roll Forward] Goodwill [Roll Forward] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Key Employees Key Employees [Member] Key Employees [Member] Accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Islamorada Safe Harbor Islamorada [Member] Safe Harbor Islamorada Foreign Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract] Preferred shares outstanding (in shares) Preferred Stock, Shares Outstanding North Lake North Lake [Member] North Lake [Member] Intangible Assets Disclosure [Abstract] Intangible Assets Disclosure [Abstract] Intangible Assets Disclosure [Abstract] Term Loan Term Loan [Member] Term Loan [Member] Related Party Transaction [Domain] Related Party Transaction [Domain] Jellystone Park™ Guadalupe River Jellystone Park At Guadalupe River [Member] Jellystone Park At Guadalupe River [Member] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Henfold Henfold [Member] Henfold MH and annual RV residents for rent, utility charges, fees and other pass-through charges, net Other receivables for rent, water, sewer usage Other receivables for rent, water, sewer usage Servicing Asset at Fair Value, Other Changes in Fair Value Servicing Asset at Fair Value, Other Changes in Fair Value The Villas at Calla Pointe The Villas at Calla Pointe [Member] The Villas at Calla Pointe [Member] Stockholders' Equity, Total [Member] Stockholders' Equity, Total [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Other Assets Other Assets [Member] Friendly Village of Simi Valley(8) Friendly Village of Simi [Member] Friendly Village of Simi [Member] Aggregate amount of credit facility Line of Credit Facility, Maximum Borrowing Capacity Gross notes receivable Financing Receivable, before Allowance for Credit Loss Crestwood Crestwood [Member] Crestwood [Member] Computer hardware and software Computer Equipment [Member] Hancock Heights Hancock Heights Estates [Member] Hancock Heights Estates Skyline Skyline [Member] Skyline [Member] Country Meadows Country Meadows [Member] Country Meadows Fair Value of Liabilities Derivative liabilities Derivative Liability Sandy Lake Sandy Lake [Member] Sandy Lake Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Sun Retreats Ocala Orange Lake Sun Retreats Ocala Orange Lake [Member] Sun Retreats Ocala Orange Lake Ventura Isle Safe Harbor Ventura Isle [Member] Safe Harbor Ventura Isle Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Sunset Beach RV Resort Sunset Beach RV Resort [Member] Sunset Beach RV Resort Hickory Hills Village Hickory Hills Village [Member] Hickory Hills Village [Member] Silver Springs Silver Springs [Member] Silver Springs [Member] Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Bahia Bleu Safe Harbor Bahia Bleu [Member] Safe Harbor Bahia Bleu Deferred tax benefit (see Note 12) Deferred tax benefit (see Note 12) Deferred tax benefit (see Note 12) Deferred Income Tax Expense (Benefit) Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Derivative Liability Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Origen Financial Services Origen Financial Services [Member] Origen Financial Services [Member] Scio Farms Scio Farms [Member] Scio Farms [Member] Crystal Point Safe Harbor Crystal Point [Member] Safe Harbor Crystal Point Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] 5.5% notes, issued in January 2024 and due in January 2029(1) Senior Unsecured Notes - January 2029 Maturity [Member] Senior Unsecured Notes - January 2029 Maturity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Asset Impairment Charges Asset Impairment Charges Properties transferred in exchange for noncontrolling interests Noncash or Part Noncash Acquisition, Fixed Assets Acquired Cisco Grove Campground & RV Cisco Grove Campground & RV [Member] Cisco Grove Campground & RV Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Thereafter Long-Term Debt, Maturity, after Year Five Edgartown Safe Harbor Edgartown [Member] Safe Harbor Edgartown SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] Installment Notes on Manufactured Homes & Notes Receivable from Real Estate Developers Installment Notes on Manufactured Homes & Notes Receivable from Real Estate Developers [Member] Installment Notes on Manufactured Homes & Notes Receivable from Real Estate Developers East Village Estates East Village Estates [Member] East Village Estates [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Number of MH manufacturers securing note Number of MH Manufacturers Securing Note Number of MH Manufacturers Securing Note Document Annual Report Document Annual Report Income from nonconsolidated affiliates (see Note 7) Payments for Distributions of Income from Nonconsolidated Entities Payments for Distributions of Income from Nonconsolidated Entities Annapolis Safe Harbor Annapolis [Member] Safe Harbor Annapolis Investment in property Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other Intangible Asset Amortization Expense Amortization of Intangible Assets Schedule of Intangible Assets Amortization Expense Schedule of Intangible Assets Amortization Expense [Table Text Block] Schedule of Intangible Assets Amortization Expense [Table Text Block] - Tabular disclosure of amortization expense related to finite-lived intangible assets by category. Schedule of Other Receivables Schedule of Other Receivables [Table Text Block] Schedule of Other Receivables Advanced reservation deposits and rent Contract with Customer, Liability Payments for deferred financing costs, net of prepaid return Payments of Financing Costs Other receivables, net Other receivables, net [Member] Other receivables, net [Member] Less: Preferred return to preferred OP units / equity interests Preferred Stock Dividends, Income Statement Impact Lakefront Lakefront [Member] Lakefront [Member] Allowances Allowance for rent, water, sewer usage receivables Allowance for rent, water, sewer usage receivables Current Fiscal Year End Date Current Fiscal Year End Date Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Future cash payment Transfers Accounted for as Secured Borrowings, Assets, Receivable for Future Cash Payment Transfers Accounted for as Secured Borrowings, Assets, Receivable for Future Cash Payment Proceeds from derivative settlements, net Proceeds From Gain On Settlement Of Derivative Instrument Proceeds From Gain On Settlement Of Derivative Instrument Vesting [Axis] Vesting [Axis] Stirling Safe Harbor Stirling [Member] Safe Harbor Stirling Number of plans Number Of Share-Based Compensation Plans Number Of Share-Based Compensation Plans Proceeds from secured borrowing Proceeds from Issuance of Secured Debt Total Lessee, Liability, to be Paid, Fiscal Year Maturity [Abstract] Lessee, Liability, to be Paid, Fiscal Year Maturity Useful Life Useful life of finite-lived intangible assets Finite-Lived Intangible Asset, Useful Life Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Additional Paid-in Capital Additional Paid-in Capital [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Eagle Cove Safe Harbor Eagle Cove [Member] Safe Harbor Eagle Cove Debt Instrument, number of properties securing a debt instrument Debt Instrument, number of properties securing a debt instrument Debt Instrument, number of properties securing a debt instrument Operating Leases Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Marco Naples Marco Naples [Member] Marco Naples RV Resort [Member] Class of Stock [Line Items] Class of Stock [Line Items] Series G preferred OP units Series G Preferred OP Units [Member] Series G Preferred OP Units Class of Stock [Axis] Class of Stock [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] 2028 Finance Lease, Liability, to be Paid, Year Four Preferred OP units - mandatorily redeemable Aspen and Series B-3 Preferred OP Units Aspen Series B3 Preferred Operating Partnership Units [Member] Aspen Series B3 Preferred Operating Partnership Units [Member] Strafford / Lake Winnipesaukee South KOA Stratford/Lake Winnipesaukee South KOA [Member] Stratford/Lake Winnipesaukee South KOA [Member] Windham Hills Windham Hills [Member] Windham Hills [Member] Series H preferred OP units Series H Preferred OP Units [Member] Series H Preferred OP Units Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Note receivable Disposal Group, Including Discontinued Operation, Consideration in Form of Note Receivable Disposal Group, Including Discontinued Operation, Consideration in Form of Note Receivable Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Cove Haven Safe Harbor Cove Haven [Member] Safe Harbor Cove Haven Discontinued Operations, Held-for-Sale or Disposed of by Sale Discontinued Operations, Held-for-Sale or Disposed of by Sale [Member] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Sale Leaseback Transaction [Line Items] Sale Leaseback Transaction [Line Items] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Sunlake Estates Sunlake Estates [Member] Sunlake Estates [Member] Cost Capitalized Subsequent to Acquisition (Improvements), Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Land Ballena Isle Safe Harbor Ballena Isle [Member] Safe Harbor Ballena Isle Purchases and issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Interest Rate Debt Instrument, Interest Rate, Stated Percentage Woodlake Trails Woodlake Trails [Member] Woodlake Trails [Member] Issuance and costs of common stock, OP units and preferred OP units, net Proceeds from (Repurchase of) Equity Rainbow Village of Zephyrhills Rainbow Village of Zepyrhills [Member] Rainbow Village of Zepyrhills [Member] Carriage Cove Carriage Cove [Member] Carriage Cove [Member] Emerald Point Safe Harbor Emerald Point [Member] Safe Harbor Emerald Point Sale of Stock, Consideration Received on Transaction, Net Sale of Stock, Consideration Received on Transaction, Net Sale of Stock, Consideration Received on Transaction, Net Annual Distribution Rate Preferred Stock, Dividend Rate, Percentage Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Cash Settlement Receipt / (Payment) Payments for Hedge, Financing Activities Total NOI Operating Income (Loss) Secured borrowings on collateralized receivables Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Total Liabilities, Temporary Equity and Shareholders' Equity Liabilities and Equity Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Majestic Oaks Majestic Oaks [Member] Majestic Oaks RV Resort [Member] Cedar Springs Cedar Springs [Member] Cedar Springs [Member] Average gross base rent per square foot Related Party Transactions, Current and Future Base Rent Related Party Transactions, Current and Future Base Rent Apple Carr Village Apple Carr Village [Member] Apple Carr Village [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Cover Page [Abstract] Cover Page [Abstract] Cover Page [Abstract] Schedule of Restricted Stock Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Accumulated Depreciation Beginning balance Ending balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation ROU asset obtained from new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Blue Heron Pines Blue Heron Pines [Member] Blue Heron Pines [Member] Dock improvements Building and Building Improvements [Member] Common stock withheld to satisfy income tax obligations related to vesting of restricted stock awards Common stock withheld to satisfy income tax obligations related to vesting of restricted stock awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Sun Outdoors Orange Beach Sun Outdoors Orange Beach [Member] Sun Outdoors Orange Beach Sun Outdoors Sugarloaf Key Sun Outdoors Sugarloaf Key [Member] Sun Outdoors Sugarloaf Key Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Pelican Bay Pelican Bay [Member] Pelican Bay [Member] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Royal Country Royal Country [Member] Royal Country [Member] Presidential Estates Presidential Estates [Member] Presidential Estates El Capitan Canyon El Capitan Canyon [Member] El Capitan Canyon Schedule of Estimated Useful Lives Property, Plant and Equipment [Table Text Block] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Spanish Trails and Sundance Spanish Trails MHC [Member] Spanish Trails MHC Old Port Cove Safe Harbor Old Port Cove [Member] Safe Harbor Old Port Cove Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Minimum Minimum [Member] Adoption Date Trading Arrangement Adoption Date Related Party Transactions [Abstract] Related Party Transactions [Abstract] Toledo Beach Safe Harbor Toledo Beach [Member] Safe Harbor Toledo Beach Inventory of manufactured homes Residential Real Estate [Member] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Federal provision / (benefit) at statutory tax rate, percentage Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Exercise Price Award Exercise Price Pakefield Pakefield [Member] Pakefield Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Interest on mandatorily redeemable preferred OP units / equity Interest on mandatorily redeemable preferred OP units / equity Interest Expense, Other Sun Retreats Birch Bay Sun Retreats Birch Bay [Member] Sun Retreats Birch Bay Arrangement Duration Trading Arrangement Duration Operating loss carryforwards Operating Loss Carryforwards Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Shareholders' Equity Equity, Attributable to Parent [Abstract] Schedule of Right-of-Use Assets and Liabilities Lease, Supplemental Balance Sheet Information [Table Text Block] Lease, Supplemental Balance Sheet Information Acquisitions - Common stock and OP units issued Stock Issued During Period, Value, New Issues, Common Stock and Preferred OP Units Stock Issued During Period, Value, New Issues, Common Stock and Preferred OP Units Real Estate and Accumulated Depreciation, Description of Property [Axis] Name of Property [Axis] Sun Outdoors St. Augustine Sun Outdoors St. Augustine [Member] Sun Outdoors St. Augustine Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Lakeview CT Lakeview CT [Member] Lakeview CT [Member] Brook Ridge Brook Ridge [Member] Brook Ridge [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Sun NG Resorts Sun NG Resorts [Member] Sun NG Resorts Other income / (expense), net Other income / (expense), net Other Nonoperating Income (Expense) Amble Links Amble Links [Member] Amble Links 47 North 47 North [Member] 47 North Jellystone Park™ Androscoggin Lake Jellystone Park(TM) Androscoggin Lake [Member] Jellystone Park(TM) Androscoggin Lake Caliente Sands Caliente Sands [Member] Caliente Sands [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Other intangible assets, net Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Southwood Village Southwood Village [Member] Southwood Village [Member] Acquisitions - Finance lease liabilities Lease Obligation Incurred 2027 Financial Liability, to be Paid, Year Three Financial Liability, to be Paid, Year Three Austin Loan Star Austin Loan Star [Member] Austin Loan Star [Member] Notes receivable net of fair value adjustment Financing Receivable, before Allowance for Credit Loss, Net Of Fair Value Adjustment Financing Receivable, before Allowance for Credit Loss, Net Of Fair Value Adjustment Schedule of Changes in Estimated Insurance Recoveries [Roll Forward] Schedule of Changes in Estimated Insurance Recoveries [Roll Forward] Schedule of Changes in Estimated Insurance Recoveries Silver Spring Safe Harbor Silver Spring [Member] Safe Harbor Silver Spring Service, retail, dining and entertainment Other Cost of Operating Revenue Sandusky Safe Harbor Sandusky [Member] Safe Harbor Sandusky Secured Borrowing on Collateralized Receivables Transfers Accounted for as Secured Borrowings, Associated Liabilities [Member] Transfers Accounted for as Secured Borrowings, Associated Liabilities Related Party [Domain] Related and Nonrelated Parties [Domain] Restricted interest carryforwards Deferred Tax Assets, Restricted Interest Carryforward Deferred Tax Assets, Restricted Interest Carryforward Marina Bay Safe Harbor Marina Bay [Member] Safe Harbor Marina Bay Puerto del Rey Safe Harbor Puerto del Rey [Member] Safe Harbor Puerto del Rey Debt Issuance Costs, Line of Credit Arrangements, Net Debt Issuance Costs, Line of Credit Arrangements, Net RV RV [Member] RV Less: allocation to restricted stock awards Income (loss) Attributable to Common Stockholders Allocable To Non Vested Restricted Shares Income (Loss) From Continuing Operations Allocable To Non Vested Restricted Shares Shell Creek Shell Creek [Member] Shell Creek Non-U.S. income taxed at other than the U.S. Federal statutory tax rate, percentage Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Noncash investing and financing activities at the date of acquisition Other Noncash Investing and Financing Items [Abstract] Hawaiian Gardens / Holly Village Holly Village/Hawaiian Gardens [Member] Holly Village/Hawaiian Gardens [Member] Current Deferred Federal Income Tax Expense (Benefit) Andover Andover [Member] Andover Ordinary quarterly taxable dividend Ordinary Tax Dividend, Percent Qualified Dividend Ordinary Tax Dividend, Percent Qualified Dividend Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] All UK Properties Excluding Corporate Headquarters All UK Properties Excluding Corporate Headquarters [Member] All UK Properties Excluding Corporate Headquarters Capitalized Costs Other capitalized costs [Policy Text Block] Other capitalized costs [Policy Text Block] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Oak Leaf Safe Harbor Oak Leaf [Member] Safe Harbor Oak Leaf Issuance of common stock and common OP units, net (in shares) Common OP Units Issued (in shares) Stock Issued During Period, Shares, New Issues Unsecured debt (see Note 8) Unsecured debt Total unsecured debt Unsecured Debt Sun Retreats Westward Shores(8) Westward Shores Cottages & RV Resort [Member] Westward Shores Cottages & RV Resort [Member] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Vineyard Haven Safe Harbor Vineyard Haven [Member] Safe Harbor Vineyard Haven Pine Hills Pine Hills [Member] Pine Hills [Member] North Point Estates North Point Estates [Member] North Point Estates [Member] Lake Pointe Village Lake Pointe Village [Member] Lake Pointe Village [Member] Hacienda Del Rio Hacienda del Rio [Member] Hacienda del Rio [Member] Income from real property - transient Lease Income, Transient Lease Income, Transient Pilots Point Safe Harbor Pilots Point [Member] Safe Harbor Pilots Point Return of capital Return of Capital [Member] Return of Capital [Member] Equity Component [Domain] Equity Component [Domain] OP Units Outstanding (in shares) Temporary Equity, Shares Outstanding Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other Contingent Liabilities, Contingent Consideration Other Contingent Liabilities, Contingent Consideration [Member] Other Contingent Liabilities, Contingent Consideration Cash proceeds from transfer of installment notes receivable Transfers Accounted for as Secured Borrowings, Associated Liabilities, Net Transfers Accounted for as Secured Borrowings, Associated Liabilities, Net Settlement of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Entity Shell Company Entity Shell Company Sun Villa Estates Sun Villa Estates [Member] Sun Villa Estates Yankee Village Yankee Village [Member] Yankee Village [Member] Weighted Average Years to Maturity Debt weighted average to maturity, length Debt weighted average to maturity, length RV Community RV community [Member] RV community [Member] Warrants Warrants [Member] Warrants Investments in and Advances to Affiliates Investments in and Advances to Affiliates [Table Text Block] South Harbour Village Safe Harbor South Harbour Village [Member] Safe Harbor South Harbour Village MH and RV Properties Located in the U.S. MH And RV Properties Located In The US [Member] MH And RV Properties Located In The US Interest Interest expense Interest Expense, Debt Accrued expenses and accounts payable Accounts Payable and Accrued Liabilities Counterparty Name [Axis] Counterparty Name [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Variable lease income Variable Lease, Income Insurance Settlement Insurance Settlement [Member] Calusa Island Safe Harbor Calusa Island [Member] Safe Harbor Calusa Island Sales and settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Jamestown Safe Harbor Jamestown [Member] Safe Harbor Jamestown Cash paid for interest (net of capitalized interest of $8.6, $12.9 and $7.0, respectively) Interest Paid, Excluding Capitalized Interest, Operating Activities Cash and escrow Payments to Acquire Productive Assets The Hamptons Golf & Country Club The Hamptons Golf & Country Club [Member] The Hamptons Golf & Country Club Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Pecan Branch Pecan Branch [Member] Pecan Branch [Member] Deerwood Deerwood [Member] Deerwood [Member] Financial Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Marketable securities Marketable Securities Schedule of Future Minimum Rental Payments Lease, Financial Liability, Future Minimum Rental Payments, Fiscal Year Maturity [Table Text Block] Lease, Financial Liability, Future Minimum Rental Payments, Fiscal Year Maturity Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Common OP unit conversion ratio (in shares) Temporary Equity, Common Op Unit, Conversion Ratio Temporary Equity, Common Op Unit, Conversion Ratio Hunters Glen Hunters Glen [Member] Hunters Glen [Member] Operating lease Operating Lease, Weighted Average Discount Rate, Percent Net Cash Provided By / (Used For) Financing Activities Net Cash Provided by (Used in) Financing Activities Arbor Terrace Arbor Terrace [Member] Arbor Terrace [Member] Fisherman's Cove Fisherman's Cove [Member] Fisherman's Cove [Member] Stonebridge (MI) Stonebridge, Richfield Township, MI [Member] Stonebridge, Richfield Township, MI [Member] Horseshoe Cove RV Resort Horseshoe Cove RV Resort [Member] Horseshoe Cove RV Resort [Member] Ocean West Ocean West [Member] Ocean West [Member] Fair Value as of Grant Date Award Grant Date Fair Value Non-U.S. income taxed at other than the U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Notes receivable from real estate developers and operators Notes Due From Real Estate Developers [Member] Notes Due From Real Estate Developers [Member] Skippers Landing Safe Harbor Skippers Landing [Member] Safe Harbor Skippers Landing Schedule of Disaggregated Revenue Disaggregation of Revenue [Table Text Block] Issuance of common stock and common OP units, net Fair Value at Issuance (in millions) Stock Issued During Period, Value, New Issues Principles of Consolidation Consolidation, Policy [Policy Text Block] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Ocean Breeze Ocean Breeze [Member] Ocean Breeze Marina Marinas [Member] Marinas Flood Flood [Member] Academy / West Point AcademyWestpoint [Member] Academy/Westpoint [Member] Jellystone Park™ Petoskey Jellystone Park(TM) Petoskey [Member] Jellystone Park(TM) Petoskey Home sales Revenue From Home Sales Revenue from home sales. The Foothills The Foothills [Member] The Foothills Other Deferred Tax Assets, Other Marina Bay Yacht Harbor [Member] Marina Bay Yacht Harbor [Member] Marina Bay Yacht Harbor Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Regatta Pointe Safe Harbor Regatta Pointe [Member] Safe Harbor Regatta Pointe State and local taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Series L preferred OP units Series L Preferred OP Units [Member] Series L Preferred OP Units Investment Property Real estate, investment property [Policy Text Block] Real estate, investment property [Policy Text Block] Brokerage commissions and other, net Brokerage commissions and other income, net Includes brokerage commissions, gain (loss) on sale of land, and other - net Forward Contracts Forward Contracts [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Distributions in excess of accumulated earnings Accumulated Distributions in Excess of Net Income Hengar Manor Hengar Manor [Member] Hengar Manor Operating cash outflows for operating leases Operating Lease, Payments Tarka Tarka [Member] Tarka Sungenia JV Sungenia JV [Member] Sungenia JV [Member] Ownership [Domain] Ownership [Domain] Riviera Beach Safe Harbor Riviera Beach [Member] Safe Harbor Riviera Beach Jellystone Park™ Memphis Jellystone Park At Memphis [Member] Jellystone Park At Memphis [Member] Rockland Safe Harbor Rockland [Member] Safe Harbor Rockland Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Hyde Park Hyde Park [Member] Hyde Park [Member] Sunset Bay Safe Harbor Sunset Bay [Member] Safe Harbor Sunset Bay Acquisitions Business Combinations Policy [Policy Text Block] Investment in Nonconsolidated Affiliates Equity Method Investments and Joint Ventures Disclosure [Text Block] New England Boatworks Safe Harbor New England Boatworks [Member] Safe Harbor New England Boatworks Initial Cost to Company, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Schedule of Components of Income / (Loss) Attributable to Taxable Subsidiaries Components of Income / (Loss) Attributable to Taxable Subsidiaries [Table Text Block] Components of Income / (Loss) Attributable to Taxable Subsidiaries Forest View Forest View [Member] Forest View [Member] Entity Address, City or Town Entity Address, City or Town Receivables from contracts with customers Home sale proceeds Home sale proceeds Home sale proceeds Polperro Polperro [Member] Polperro Sun Outdoors Kensington Valley Sun Outdoors Kensington Valley [Member] Sun Outdoors Kensington Valley Gross collateralized receivable Transfers Accounted for as Secured Borrowings, Assets, Gross Transfers Accounted for as Secured Borrowings, Assets, Gross Schedule of Shares Granted Share-Based Payment Arrangement, Restricted Stock, Grants [Table Text Block] Share-Based Payment Arrangement, Restricted Stock, Grants Countryside Village of Gwinnett Countryside Gwinnett [Member] Countryside Gwinnett [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Dutton Mill Village Dutton Mill Village [Member] Dutton Mill Village [Member] Grand Village Grand [Member] Grand [Member] In-place leases, goodwill and other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Inventory Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Net unrealized gain / (loss) on interest rate derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Discount (premium) Debt Instrument, Unamortized Discount (Premium), Net 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Marathon Safe Harbor Marathon [Member] Safe Harbor Marathon Total Lease Payments Lessee, Operating Lease, Liability, to be Paid Insider Trading Arrangements [Line Items] Sun Retreats Dennis Port Sun Retreats Dennis Port [Member] Sun Retreats Dennis Port 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Maturity Receivable With Imputed Interest, Term Receivable With Imputed Interest, Term Document Transition Report Document Transition Report Allen Harbor Safe Harbor Allen Harbor [Member] Safe Harbor Allen Harbor Customer [Domain] Customer [Domain] Weighted-average Remaining Lease Terms (years) Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term Asset Acquisition [Domain] Asset Acquisition [Domain] Assets held for sale, net (included within Other Assets, net and Other Liabilities) Increase (Decrease) in Asset, Held-for-Sale Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Glen Laurel Glen Laurel [Member] Glen Laurel [Member] The Willows The Willows [Member] The Willows 2027 Operating and Finance, Liability, Payments, Due Year Three Operating and Finance, Liability, Payments, Due Year Three High Point Park High Point [Member] High Point [Member] Sun Retreats Dunedin Sun Retreats Dunedin [Member] Sun Retreats Dunedin Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Company Selected Measure Name Company Selected Measure Name Roxbury Park Roxbury [Member] Roxbury [Member] Notes and other receivables, net Installment notes receivable on manufactured homes, net Accounts and Financing Receivable, after Allowance for Credit Loss Total Notes and Other Receivables, net Total notes and other receivables [Member] Total notes and other receivables [Domain] Related Party Transactions Related Party Transactions Disclosure [Text Block] Payments on other debt Repayments of Long-term Debt Repayments of Long-Term Debt Federal provision / (benefit) at statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Changes in Fair Value, Level 3 [Axis] Changes in Fair Value, Level 3 [Axis] Changes in Fair Value, Level 3 Depreciation and basis differences Deferred Tax Assets, Real estate Deferred Tax Assets, Real estate Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Acquisition of third party equity interest in consolidated entities Temporary Equity, Acquisition Of Noncontrolling Interest In Subsidiary Temporary Equity, Acquisition Of Noncontrolling Interest In Subsidiary Friendly Village of Modesto Friendly Village of Modesto [Member] Friendly Village of Modesto [Member] Number of properties acquired with majority interest Number of Properties Acquired with Majority Interest Number of Properties Acquired with Majority Interest Total Comprehensive Income / (Loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest New Port Cove Safe Harbor New Port Cove [Member] Safe Harbor New Port Cove Comal Farms Comal Farms [Member] Comal Farms [Member] Burnside Safe Harbor Burnside [Member] Safe Harbor Burnside Ingenia Communities Group Ingenia Communities Group [Member] Ingenia Communities Group Distribution Per Share Common Stock, Dividends, Per Share, Declared Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Dauntless Shipyard Safe Harbor Dauntless Shipyard [Member] Safe Harbor Dauntless Shipyard Distributions Dividends, Cash Settlement of redeemable equity interests Temporary Equity, Elimination as Part of Reorganization Sun Retreats Millbrook(8) Jellystone Park of Chicago [Member] Jellystone Park of Chicago Great Lakes Safe Harbor Great Lakes [Member] Safe Harbor Great Lakes 2026 Lessor, Operating Lease, Payment to be Received, Year Two Expenses Operating Costs and Expenses [Abstract] Accumulated net gains on derivatives AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Inventory Inventory, Policy [Policy Text Block] Derivative Asset, Statement of Financial Position Extensible Enumeration Not Disclosed Flag Derivative Asset, Statement of Financial Position Extensible Enumeration Not Disclosed Flag Derivative Asset, Statement of Financial Position Extensible Enumeration Not Disclosed Flag Income / (loss) before provision for income taxes Income (Loss) from Subsidiaries, before Tax Hedging Relationship [Domain] Hedging Relationship [Domain] Award Timing Disclosures [Line Items] Country Acres Country Acres [Member] Country Acres [Member] Outer Banks Safe Harbor Outer Banks [Member] Safe Harbor Outer Banks Secured Installment Notes Receivable on Manufactured Homes Secured Installment Notes Receivable on Manufactured Homes [Member] Secured Installment Notes Receivable on Manufactured Homes Finance Lease Cost Cash Paid for Amounts Included in the Measurement of Lease Liabilities Lease, Cost [Abstract] Interest income (expense) Interest Income (Expense), Operating Zahnisers Safe Harbor Zahnisers [Member] Safe Harbor Zahnisers Sun Outdoors Paso Robles Sun Outdoors Paso Robles [Member] Sun Outdoors Paso Robles Proceeds from sale of marketable securities Proceeds from Sale and Maturity of Marketable Securities Segment Information Segment Reporting, Policy [Policy Text Block] Cabrillo Isle Safe Harbor Cabrillo Isle [Member] Safe Harbor Cabrillo Isle Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Plan Name [Domain] Plan Name [Domain] Offering price (in dollars per share) Sale of Stock, Price Per Share UNITED STATES UNITED STATES Pearwood Pearwood [Member] Pearwood New England Village New England Village [Member] New England Village [Member] South Bay Safe Harbor South Bay [Member] Safe Harbor South Bay Summit Ridge Summit Ridge [Member] Summit Ridge [Member] Debris Removal and Clean up Debris Removal and Clean up [Member] Debris Removal and Clean up Investment property Real Estate Investment Property, at Cost Rye Harbour Rye Harbour [Member] Rye Harbour Sandhills Sandhills [Member] Sandhills Forward Swap Forward Swap [Member] Forward Swap Other, percentage Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Receivable Type [Axis] Receivable Type [Axis] Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Secured Debt Secured Debt [Member] Sun NG Resorts Transaction and Sun NG Beaver Brook LLC Sun NG Resorts Transaction and Sun NG Beaver Brook LLC [Member] Sun NG Resorts Transaction and Sun NG Beaver Brook LLC Contingent gain Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset Award Timing Method Award Timing Method [Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Other Redeemable Equity Interests Other Redeemable Equity Interests [Member] Other Redeemable Equity Interests Measurement Frequency [Axis] Measurement Frequency [Axis] Littondale Littondale [Member] Littondale Sun Outdoors Pigeon Forge Sun Outdoors Pigeon Forge [Member] Sun Outdoors Pigeon Forge Meadowbrook Village Meadowbrook Village [Member] Meadowbrook Village [Member] Insider Trading Policies and Procedures [Line Items] Sun Outdoors Santa Barbara Sun Outdoors Santa Barbara [Member] Sun Outdoors Santa Barbara Jellystone Park™ at South Jersey Jellystone Park At South Jersey [Member] Jellystone Park At South Jersey Use of Estimates Use of Estimates, Policy [Policy Text Block] Tampa East Tampa East [Member] Tampa East Adjustment to Compensation, Amount Adjustment to Compensation Amount Compensation Amount Outstanding Recovery Compensation Amount Adjustment for accumulated foreign currency translation loss reclassified into earnings Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Schedule of Common and Preferred OP Units included within Noncontrolling Interests Noncontrolling Interests [Table Text Block] Noncontrolling Interests Woodside Terrace Woodside Terrace [Member] Woodside Terrace [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Entity Small Business Entity Small Business Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Kissimmee South Kissimmee South RV Resort [Member] Kissimmee South RV Resort [Member] Friendly Village of West Covina Friendly Village of West Covina [Member] Friendly Village of West Covina [Member] Vista Del Lago MH & RV Resort Vista del Lago MH & RV Resort [Member] Vista del Lago MH & RV Resort [Member] Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Secured Borrowings Secured Borrowings [Member] Secured Borrowings Asset Acquisition [Axis] Asset Acquisition [Axis] La Costa Village La Costa Village [Member] La Costa Village [Member] Sycamore Village Sycamore Village [Member] Sycamore Village [Member] Frenchtown Villa / Elizabeth Woods Frenchtown Villa / Elizabeth Woods [Member] Frenchtown Villa / Elizabeth Woods Sun Retreats Peters Pond Sun Retreats Peters Pond [Member] Sun Retreats Peters Pond Cash depots in excess of insured amounts Cash, Uninsured Amount Marina Cove Marina Cove [Member] Marina Cove [Member] Willow Crossing Willow Crossing [Member] Willow Crossing Shares redeemed (in shares) Temporary Equity, Shares Redeemed Temporary Equity, Shares Redeemed Change in distributions declared and outstanding Change in Distributions Declared and Outstanding Change in Distributions Declared and Outstanding Present Value of Lease Liabilities Operating and Finance, Liability Operating and Finance, Liability Installment notes receivable on manufactured homes, net Installment notes receivable on manufactured homes, net [Member] Installment notes receivable on manufactured homes [Member] UK Community UK Community [Member] UK Community Employee Stock Option Share-Based Payment Arrangement, Option [Member] 2025 Lessee, Operating Lease, Liability, to be Paid, Year One Cape May Crossing Cape May Crossing [Member] Cape May Crossing [Member] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Comprehensive Income / (Loss) Attributable to SUI Comprehensive Income (Loss), Net of Tax, Attributable to Parent Old Kerrow Old Kerrow [Member] Old Kerrow Payments on lines of credit Repayments of Lines of Credit Sun Outdoors Portland South Sun Outdoors Portland South [Member] Sun Outdoors Portland South Award Type [Axis] Award Type [Axis] Orange City Orange City [Member] Orange City Payments to acquire land Payments to Acquire Land Cherrywood Cherrywood [Member] Cherrywood [Member] Meadowbrook Meadowbrook [Member] Meadowbrook [Member] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Settlers Rest Settlers Rest [Member] Settlers Rest Total Liabilities Liabilities River Beach Campsites and RV River Beach Campsites and RV [Member] River Beach Campsites and RV President President [Member] Total noncontrolling interests Equity, Attributable to Noncontrolling Interest Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Notes Receivable From Real Estate Developers and Operators Notes Receivable from Real Estate Developers [Member] Notes Receivable from Real Estate Developers Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Revolving Credit Facility Revolving Credit Facility [Member] Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Consideration from Sale of Real Estate, net of Mortgage Debt and Other Adjustments Cash Consideration from Sale of Real Estate, net of Mortgage Debt and Other Adjustments Cash Consideration from Sale of Real Estate, net of Mortgage Debt and Other Adjustments Yorkshire Dales Yorkshire Dales [Member] Yorkshire Dales Jellystone Park™ Glen Ellis(8) Glen Ellis Family Campground [Member] Glen Ellis Family Campground Fairfield Village Fairfield Village [Member] Fairfield Village [Member] Club Wildwood Club Wildwood [Member] Club Wildwood [Member] Hawthorne Cove Safe Harbor Hawthorne Cove [Member] Safe Harbor Hawthorne Cove Deferred operating loss carryforwards after tax NOL carryforwards Deferred Tax Assets, Operating Loss Carryforwards Variable Interst Entity Concentration Risk Variable Interst Entity Concentration Risk [Member] Variable Interst Entity Concentration Risk Catastrophic event-related charges, net Catastrophic event-related charges, net Loss from Catastrophes Others Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Subsequent Event [Line Items] Subsequent Event [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Manasquan River Safe Harbor Manasquan River [Member] Safe Harbor Manasquan River Weighted average common shares outstanding - diluted (in shares) Diluted weighted average common shares and securities Weighted Average Number of Shares Outstanding, Diluted Heritage Heritage [Member] Heritage [Member] Safe Harbor Business Safe Harbor Business [Member] Safe Harbor Business MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Gaines Safe Harbor Gaines [Member] Safe Harbor Gaines Kings Manor Kings Manor [Member] Kings Manor [Member] Number of affected RV properties Unusual Or Infrequent Item, Number Of Properties Affected By Natural Disasters Unusual Or Infrequent Item, Number Of Properties Affected By Natural Disasters Hurricane_Helene Hurricane_Helene [Member] Hurricane_Helene River Ridge Estates River Ridge Estates [Member] River Ridge Estates Brentwood Village Brentwood Village [Member] Brentwood Village Total SUI Shareholders' Equity Equity, Attributable to Parent Investment property, net Investment property, net Real Estate Investment Property, Net Newhaven Newhaven [Member] Newhaven Net proceeds from offering Proceeds from Issuance of Debt King's Court King's Court [Member] King's Court [Member] Litigation Case [Axis] Litigation Case [Axis] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Outstanding letters of credit Letters of Credit Outstanding, Amount Carrington Pointe Carrington Pointe [Member] Carrington Pointe [Member] Oaklands Oaklands [Member] Oaklands Oyster Bay Oyster Bay [Member] Oyster Bay Glen Cove Safe Harbor Glen Cove [Member] Safe Harbor Glen Cove Southern Palms Southern Palms [Member] Southern Palms [Member] Meadowlands Meadowlands [Member] Meadowlands of Gibraltar [Member] 2026 Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Two Years Employee Service Share-based Compensation, Nonvested Awards, Expected Compensation Cost To Be Recognized In Two Years Mortgage loans payable (see Note 8) Mortgage loans payable Loans Payable Number of shares issued under plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Carlton Meres Carlton Meres [Member] Carlton Meres Dilutive Security [Domain] Dilutive Security [Domain] Dilutive Security [Domain] Troy Villa Troy Villa [Member] Troy Villa 2028 Long-Term Debt, Maturity, Year Four Preferred rate of return Financial Instruments Subject to Mandatory Redemption, Rate Of Return Financial Instruments Subject to Mandatory Redemption, Rate Of Return Add: dilutive restricted stock Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two Cash consideration Disposal Group, Including Discontinued Operation, Cash Consideration Disposal Group, Including Discontinued Operation, Cash Consideration Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Post Road Safe Harbor Post Road [Member] Safe Harbor Post Road Oxford Safe Harbor Oxford [Member] Safe Harbor Oxford Percentage Percent of Total Dividends Paid Percent of Total Dividends Paid Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Knollwood Estates Knollwood Estates [Member] Knollwood Estates [Member] Total Lease Payments Operating and Finance, Liability, Payments, Due Operating and Finance, Liability, Payments, Due Sun Retreats Silver Lake Sun Retreats Silver Lake [Member] Sun Retreats Silver Lake 4.2% notes, issued in April 2022 and due in April 2032 Senior Unsecured Notes - April 2032 Maturity [Member] Senior Unsecured Notes - April 2032 Maturity Central Park Central Park MH & RV Resort [Member] Central Park MH & RV Resort [Member] Depreciation and amortization Depreciation, Amortization and Accretion, Net Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Maximum Maximum [Member] Lakeshore Villas Lakeshore Villas [Member] Lakeshore Villas [Member] Servicing Liability at Fair Value, Other Changes in Fair Value Servicing Liability at Fair Value, Other Changes in Fair Value Goodwill, impaired, accumulated impairment loss Goodwill, Impaired, Accumulated Impairment Loss Sea Air Village Sea Air Village [Member] Sea Air Village Furniture, fixtures and equipment Furniture and Fixtures [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Apple Creek Apple Creek [Member] Apple Creek [Member] State and Local State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract] Sunroad Safe Harbor Sunroad Marina [Member] Safe Harbor Sunroad Marina Related party expenses Related Party Transaction, Amounts of Transaction Cost Capitalized Subsequent to Acquisition (Improvements), Depreciable Assets SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Building and Improvements Leisure Village Leisure Village [Member] Leisure Village [Member] Hawk Hollow Hawk Hollow [Member] Hawk Hollow Name Outstanding Recovery, Individual Name Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Variable lease cost Variable Lease, Cost Goodwill impairment Impairments Goodwill impairment Goodwill, Impairment Loss Title and Position [Axis] Title and Position [Axis] Sun Retreats San Antonio West Sun Retreats San Antonio West [Member] Sun Retreats San Antonio West Redeemable Preferred OP Units Redeemable Preferred OP Units [Member] Redeemable Preferred OP Units Award Timing Predetermined Award Timing Predetermined [Flag] 2004 Non-Employee Director Option Plan 2004 Non-employee Plan [Member] 2004 non-employee plan [Member] Total Distribution (in Millions) Payments of Ordinary Dividends, Common Stock Subsequent Event Type [Domain] Subsequent Event Type [Domain] Countryside Estates Countryside Estates [Member] Countryside Estates [Member] Business Interruption Loss [Domain] Business Interruption Loss [Domain] Fair value adjustment Notes Receivable, Fair Value Adjustment Notes Receivable, Fair Value Adjustment Customer relationships Customer Relationships [Member] Forecast Forecast [Member] Diluted earnings/(loss) per share (in USD per share) Earnings Per Share, Diluted Goldcoaster Goldcoaster [Member] Goldcoaster [Member] Issuance of preferred OP Units Common OP units issued for acquisition of noncontrolling interests Temporary Equity, Stock Issued During Period, Value, New Issues Counterparty Name [Domain] Counterparty Name [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities) Ownership [Axis] Ownership [Axis] Release of note receivable and accrued interest in relation to acquisition of real estate collateral Release Of Note Receivable And Accrued Interest Release Of Note Receivable And Accrued Interest Anacapa Isle Safe Harbor Anacapa Isle [Member] Safe Harbor Anacapa Isle Preferred shares issued (in shares) Preferred Stock, Shares Issued Gain / (loss) on foreign currency exchanges Gain (loss) on foreign currency exchanges Gain (Loss), Foreign Currency Transaction, before Tax Customer [Axis] Customer [Axis] 2027 Lessor, Operating Lease, Payment to be Received, Year Three Bodmin Holiday Park (formerly Cornwall) Bodmin Holiday Park [Member] Bodmin Holiday Park Proceeds from disposition of assets and depreciated homes, net Proceeds from Sale of Property, Plant, and Equipment Total provision / (benefit) Income Tax Expense (Benefit) Notional Notional Amount Derivative, Notional Amount Federal Income Tax Note [Table] Federal Income Tax Note [Table] Creeks Crossing Creeks Crossing [Member] Creeks Crossing [Member] Fair Value of Assets Derivative assets Derivative Asset Expected period of recognition for unrecognized share-based compensation costs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Net Cash Used For Investing Activities Net Cash Provided by (Used in) Investing Activities Oakview Estates Oakview Estates [Member] Oakview Estates [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Liabilities reclassified from held-for-sale Other Liabilities, Transfers From Held-For-Sale Other Liabilities, Transfers From Held-For-Sale Business Acquisition [Line Items] Business Acquisition [Line Items] Investments in Nonconsolidated Affiliates Equity Method Investments [Policy Text Block] Sun Outdoors Canyonlands Gateway Sun Outdoors Canyonlands Gateway [Member] Sun Outdoors Canyonlands Gateway All Adjustments to Compensation All Adjustments to Compensation [Member] Total Debt Debt And Other Debt And Other Additional paid-in capital Additional Paid in Capital Kittery Point Safe Harbor Kittery Point [Member] Safe Harbor Kittery Point Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Riverside Club Riverside Club [Member] Riverside Club [Member] Preferred OP units, issuance price (in dollars per share) Preferred OP Units, Issuance Price Preferred OP Units, Issuance Price Boulder Ridge(3) Boulder Ridge [Member] Boulder Ridge [Member] Ocean Pines Ocean Pine [Member] Ocean Pine [Member] Harborage Yacht Club Safe Harbor Harborage Yacht Club [Member] Safe Harbor Harborage Yacht Club Senior unsecured notes Senior Unsecured Notes [Member] Senior Unsecured Notes Cypress Greens Cypress Greens [Member] Cypress Greens [Member] Scenario [Domain] Scenario [Domain] Red Oaks Red Oaks [Member] Red Oaks RV Resort [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Name of Property [Domain] Total Undiscounted Cash Flows Lessor, Operating Lease, Payment to be Received Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Royal Palms Royal Palms [Member] Royal Palms Property and land acquisitions, including immediate improvements Real estate, Other Acquisitions and Improvements Real estate, Other Acquisitions and Improvements Hacks Point Safe Harbor Hacks Point [Member] Safe Harbor Hacks Point Acquisitions - Financial liabilities Noncash or Part Noncash Acquisition, Value of Financial Liabilities Assumed Noncash or Part Noncash Acquisition, Value of Financial Liabilities Assumed Woodland Park Estates Woodland Park Estates [Member] Woodland Park Estates [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Entity Address, State or Province Entity Address, State or Province Coghurst Hall Coghurst Hall [Member] Coghurst Hall Undrawn funds Undrawn Funds On Loans Undrawn Funds On Loans City Boatyard Safe Harbor City Boatyard [Member] Safe Harbor City Boatyard Land improvements and buildings Real estate investment property, Land improvements and buildings Real estate investment property, Land improvements and buildings Siesta Bay Siesta Bay [Member] Siesta Bay [Member] Value of house sites sold Total consideration Disposal Group, Including Discontinued Operation, Consideration Orange Tree Village Orange Tree [Member] Orange Tree [Member] Financial Instruments [Domain] Financial Instruments [Domain] Lamplighter Lamplighter [Member] Lamplighter [Member] Vesting [Domain] Vesting [Domain] Unvested, beginning balance (in dollars per share) Unvested, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Capitalized interest Interest Paid, Capitalized, Investing Activities River Ranch River Ranch [Member] River Ranch [Member] Leaf Verde Leaf Verde [Member] Leaf Verde RV Resort [Member] Branch Creek Branch Creek [Member] Branch Creek [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Real Estate and Accumulated Depreciation, Schedule III SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Menifee and Moreno Menifee and Moreno [Member] Menifee and Moreno Jellystone Park™ Barton Lake Jellystone Park at Barton Lake [Member] Jellystone Park at Barton Lake Operating lease, ROU asset, net Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Windsor Woods Village Windsor Woods Village [Member] Windsor Woods Village [Member] Huntington Run Huntington Run [Member] Huntington Run Payments to Acquire Equity Method Investments Payments to Acquire Equity Method Investments Maximum maturities of contracts Maximum Length of Time Hedged in Cash Flow Hedge Sun Outdoors Cape May Sun Outdoors Cape May [Member] Sun Outdoors Cape May Bruce & Johnsons Safe Harbor Bruce & Johnsons [Member] Safe Harbor Bruce & Johnsons Jefferson Beach Safe Harbor Jefferson Beach [Member] Safe Harbor Jefferson Beach Earnings / (Loss) Per Share Earnings Per Share [Text Block] Capri Safe Harbor Capri [Member] Safe Harbor Capri Subsequent Event Subsequent Event [Member] Jellystone Park™ of Western New York Jellystone Park Of Western New York [Member] Jellystone Park Of Western New York [Member] Change in unrealized gain / (loss) on interest rate derivatives (Loss) gain on derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Grant Date Fair Value Per Share (in dollars per share) Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Issuance of notes and other receivables Issuance of notes and other receivables The cash outflow associated with borrowing supported by a written promise to pay an obligation. Westbrook Senior Village Westbrook Senior Village [Member] Westbrook Senior Village Schedule of Taxable Dividends Paid Schedule of Tax Characterization of Dividends [Table Text Block] Summary of Tax Characterization of Dividends Paid [Table Text Block] Deferred Taxes Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Number of land parcels Number Of Land Parcels Acquired Number Of Land Parcels Acquired Segments [Domain] Segment [Domain] Segments [Domain] Schedule of Future Minimum Finance Lease Payments Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Gross Amount Carried, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount Holiday West Village Holiday West Village [Member] Holiday West Village [Member] Proceeds / (payment) from deposit on acquisition Payments for (Proceeds from) Deposits on Real Estate Acquisitions Trademarks and trade names Trademarks and Trade Names [Member] Sun Outdoors Gig Harbor Sun Outdoors Gig Harbor [Member] Sun Outdoors Gig Harbor PEO PEO [Member] Schedule of Changes in Investment Balance [Roll Forward] Schedule of Changes in Investment Balance [Roll Forward] Schedule of Changes in Investment Balance Name Trading Arrangement, Individual Name Sun Outdoors Ocean City Sun Outdoors Ocean City [Member] Sun Outdoors Ocean City Holly Forest Holly Forest [Member] Holly Forest [Member] Crossroads Crossroads [Member] Crossroads [Member] Add: common and preferred OP units dilutive effect Incremental Common Shares Attributable to Dilutive Effect of Common Equity Incremental Common Shares Attributable to Dilutive Effect of Common Equity Pineview Estates Pineview Estates [Member] Pineview Estates Shelby West Shelby West [Member] Shelby West [Member] Glendale Glendale [Member] Glendale 2029 Operating and Finance, Liability, Payments, Due Year Five Operating and Finance, Liability, Payments, Due Year Five Aqua Yacht Safe Harbor Aqua Yacht [Member] Safe Harbor Aqua Yacht Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Capital gain Capital Gains [Member] Capital Gains [Member] Distributions Payments of Ordinary Dividends Sun Outdoors Wells Beach Sun Outdoors Wells Beach [Member] Sun Outdoors Wells Beach Turnberry Turnberry [Member] Turnberry Beginning balance (in shares) Ending balance (in shares) OP Units Outstanding (in shares) Shares, Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Charleston City Safe Harbor Charleston City [Member] Safe Harbor Charleston City Realized gains / (losses) Net Earnings (Loss) [Member] Net Earnings (Loss) Par Sands Par Sands [Member] Par Sands Total Intangible Assets, Gross (Excluding Goodwill) Valuation allowance Deferred Tax Assets, Valuation Allowance Preferred equity - Sun NG Resorts - mandatorily redeemable Preferred Equity, Mandatorily Redeemable Preferred Equity, Mandatorily Redeemable [Member] Preferred Equity, Mandatorily Redeemable [Member] Rental homes Rental properties [Member] Rental properties [Member] Ordinary income Ordinary Income [Member] Ordinary Income [Member] 2029 Financial Liability, to be Paid, Year Five Financial Liability, to be Paid, Year Five Document Financial Statement Restatement Recovery Analysis [Flag] Document Financial Statement Restatement Recovery Analysis [Flag] Sun Retreats Shenandoah Valley Sun Retreats Shenandoah Valley [Member] Sun Retreats Shenandoah Valley Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Temporary and permanent equity Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable Town & Country Town & Country [Member] Town & Country Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Maple Brook Maple Brook [Member] Maple Brook [Member] Dauntless Safe Harbor Dauntless [Member] Safe Harbor Dauntless Purchase price Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Motor Home Community, RV Resort and Marina Motor Home Community, RV Resort and Marina [Member] Motor Home Community, RV Resort and Marina Common Stock Common Stock [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Line of credit and other debt Line of Credit [Member] Series J preferred OP units Series J Preferred Op Units [Member] Series J Preferred Op Units Segment Reporting [Abstract] Segment Reporting [Abstract] Scenario [Axis] Scenario [Axis] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Number of payments made [Domain] Number of payments made [Domain] Number of payments made [Domain] Pier 77 Safe Harbor Pier 77 [Member] Safe Harbor Pier 77 Sun Retreats Estero Bay Sun Retreats Estero Bay [Member] Sun Retreats Estero Bay Equity and Temporary Equity Equity [Text Block] Catastrophic Event [Domain] Catastrophic Event [Domain] Segment Reporting Segment Reporting Disclosure [Text Block] Notes due from Royale Holdings Notes Due From Royale Holdings [Member] Notes Due From Royale Holdings Sun Outdoors Central Coast Wine Country Sun Outdoors Central Coast Wine Country [Member] Sun Outdoors Central Coast Wine Country Measurement Basis [Axis] Measurement Basis [Axis] Westside Ridge Westside Ridge [Member] Westside Ridge [Member] Wentworth by the Sea Safe Harbor Wentworth by the Sea [Member] Safe Harbor Wentworth by the Sea Skull Creek Safe Harbor Skull Creek [Member] Safe Harbor Skull Creek Service, retail, dining and entertainment Ancillary Revenue Ancillary Revenue Title Trading Arrangement, Individual Title Royal Palm Village Royal Palm Village [Member] Royal Palm Village [Member] Petosky Petosky [Member] Petosky Pier 121 Safe Harbor Pier 121 [Member] Safe Harbor Pier 121 Consolidated Entities [Axis] Consolidated Entities [Axis] Palm Village Palm Village [Member] Palm Village [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] Sun Outdoors Coos Bay Sun Outdoors Coos Bay [Member] Sun Outdoors Coos Bay Disposal Group Classification [Domain] Disposal Group Classification [Domain] Revenue Recognition Revenue [Policy Text Block] The Grove at Alta Ridge The Grove at Alta Ridge [Member] The Grove at Alta Ridge [Member] Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] Malvern View Malvern View [Member] Malvern View Preferred Stock Preferred Stock [Member] River Ridge River Ridge [Member] River Ridge [Member] Palm Creek Resort & Residences Palm Creek Resort & Residences [Member] Palm Creek Resort & Residences Notes and Other Receivables Receivable [Policy Text Block] Rate differential Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Lakefront Safe Harbor Lakefront [Member] Safe Harbor Lakefront East Fork Crossing East Fork [Member] East Fork [Member] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Chichester Lakeside Chichester Lakeside [Member] Chichester Lakeside Proceeds from insurance Proceeds from Insurance Settlement, Investing Activities Reduction to interest expense expected to be reclassified Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Related Party Transaction [Line Items] Related Party Transaction [Line Items] EPS Available to Common Shareholders After Allocation Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Foreign Currency Translation Foreign Currency Translation [Abstract] Lakeside Lakeside [Member] Lakeside [Member] Schedule of Debt and Lines of Credit Schedule of Debt [Table Text Block] General and administrative General and administrative expense General and Administrative Expense Brynteg Brynteg [Member] Brynteg Aggregate gross sales price Value of Shares Sold in Forward Sale Transactions Value of Shares Sold in Forward Sale Transactions Present Value of Lease Liabilities Operating lease liabilities Operating Lease, Liability Director Plans Director Plans [Member] Director Plans [Member] Cobus Green Cobus Green [Member] Cobus Green [Member] 2029 Finance Lease, Liability, to be Paid, Year Five Reported Value Measurement Reported Value Measurement [Member] Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Sun Retreats Rock River Sun Retreats Rock River [Member] Sun Retreats Rock River GBP United Kingdom, Pounds Pleasant Lake RV Resort Pleasant Lake RV Resort [Member] Pleasant Lake RV Resort [Member] Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Ribble Valley Ribble Valley [Member] Ribble Valley Proceeds from sale of marketable securities Proceeds from Sale of Equity Securities, FV-NI Shares issued in agreement (in shares) Sale of Stock, Number of Shares Issued in Transaction Debt and Line of Credit Debt Disclosure [Text Block] Number of additional defendants Number of Additional Defendants Number of Additional Defendants Accrued interest Financing Receivable, Accrued Interest, before Allowance for Credit Loss Bohemia Vista Safe Harbor Bohemia Vista [Member] Safe Harbor Bohemia Vista Thereafter Operating and Finance, Liability, Payments, Due After Year Five Operating and Finance, Liability, Payments, Due After Year Five Advertising costs Advertising Expense Napa Valley Napa Valley [Member] Napa Valley [Member] Interest Rate Swap Interest Rate Swap [Member] Land Land Lakeview Lakeview [Member] Lakeview [Member] Blue Jay Blue Jay MH & RV Resort [Member] Blue Jay MH & RV Resort [Member] Sites Sites, Wet Slips and Dry Storage Spaces Number of Units in Real Estate Property Harbor House Safe Harbor Harbor House [Member] Safe Harbor Harbor House Southside Landing Southside Landing [Member] Southside Landing [Member] Vines Vines [Member] Vines Sun Outdoors Lake Rudolph Sun Outdoors Lake Rudolph [Member] Sun Outdoors Lake Rudolph Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Land improvements and buildings Land, Buildings and Improvements [Member] Sun Retreats Texas Hill Country Sun Retreats Texas Hill Country [Member] Sun Retreats Texas Hill Country Auditor Name Auditor Name Kimberly Estates Kimberly Estates [Member] Kimberly Estates [Member] Loss on extinguishment of debt (see Note 8) Loss on Extinguishment of Debt Loss on extinguishment of debt (see Note 8) Gain (Loss) on Extinguishment of Debt Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Grand Isle Safe Harbor Grand Isle [Member] Safe Harbor Grand Isle Sun Outdoors Myrtle Beach Sun Outdoors Myrtle Beach [Member] Sun Outdoors Myrtle Beach All Marina Properties Including Marinas Headquarters and Other All Marina Properties Including Marinas Headquarters And Other [Member] All Marina Properties Including Marinas Headquarters And Other Tamarac Village Tamarac Village [Member] Tamarac Village Schedule of Preferred Units Schedule of Preferred Units [Table Text Block] Depreciation for the period SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Fair Value Measurement [Domain] Fair Value Measurement [Domain] Proceeds related to disposition of properties Proceeds from Sale, Real Estate, Held-for-Investment Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Sun Outdoors Frontier Town Sun Outdoors Frontier Town [Member] Sun Outdoors Frontier Town Financing cash outflows for finance leases Finance Lease, Principal Payments Designated as Hedging Instrument Designated as Hedging Instrument [Member] Saddlebrook Saddlebrook [Member] Saddlebrook [Member] Allendale Meadows Allendale [Member] Allendale [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Jellystone Park™ Chincoteague Island Jellystone Park(TM) Chincoteague Island [Member] Jellystone Park(TM) Chincoteague Island 2.7% notes, issued in June 2021 and October 2021, and due in July 2031 Senior Unsecured Notes - July 2031 Maturity - First Tranche [Member] Senior Unsecured Notes - July 2031 Maturity - First Tranche Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Share-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Loss on remeasurement of notes receivable Gain (Loss) on Remeasurement of Notes Receivable Gain (Loss) on Remeasurement of Notes Receivable Termination Date Trading Arrangement Termination Date Intangible assets, transfers from held-for-sale Intangible Assets, Transfers From Held-For-Sale Intangible Assets, Transfers From Held-For-Sale Related Party Transaction [Table] Related Party Transaction [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two 2025 Long-Term Debt, Maturity, Year One Waverly Shores Village Waverly Shores Village [Member] Waverly Shores Village [Member] Sun Retreats Pleasant Acres Farm Sun Retreats at Pleasant Acres Farm [Member] Sun Retreats at Pleasant Acres Farm A-3 preferred OP units Series A-3 Preferred OP Units [Member] Series A-3 Preferred OP Units [Member] West Village Estates West Village Estate [Member] West Village Estate [Member] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Distributions Temporary Equity, Distributions Temporary Equity, Distributions Noncontrolling interests Noncontrolling Interest [Abstract] Below market operating leases, net Below Market Lease, Net Net income (loss) Net Income (Loss) Net Income (Loss) Attributable to Parent Town & Country Village Town & Country Village [Member] Town & Country Village [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Island Park Safe Harbor Island Park [Member] Safe Harbor Island Park Loss on sale of investment Marketable Security, Realized Gain (Loss) South Fork Safe Harbor South Fork [Member] Safe Harbor South Fork Proceeds received from insurer Proceeds received from insurer Insurance Recoveries Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] Income Statement [Abstract] Income Statement [Abstract] Denominator Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Name Forgone Recovery, Individual Name Greenwich Bay Safe Harbor Greenwich Bay [Member] Safe Harbor Greenwich Bay Operating lease Operating Lease, Weighted Average Remaining Lease Term Spanish Main Spanish Main MH & RV Resort [Member] Spanish Main MH & RV Resort [Member] Franchise agreements and other intangible assets Franchise Agreements and Other Intangible Assets [Member] Franchise Agreements and Other Intangible Assets Unsecured Term Loan Facility Unsecured Term Loan Facility [Member] Unsecured Term Loan Facility Great Island Safe Harbor Great Island [Member] Safe Harbor Great Island Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Port Royal Landing Safe Harbor Port Royal Landing [Member] Safe Harbor Port Royal Landing Home sales - Cost of sales Cost of Revenue Wood Farm Wood Farm [Member] Wood Farm Brady Mountain Safe Harbor Brady Mountain [Member] Safe Harbor Brady Mountain Lakeland Lakeland [Member] Lakeland Less: Income / (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Sale of consolidated affiliates Temporary Equity, Sale of Subsidiary Temporary Equity, Sale of Subsidiary Less: Interest rate derivative gain reclassified to earnings Gains on derivative instruments reclassified from Accumulated Other Comprehensive Income into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Country Village Estates Country Village [Member] Country Village [Member] Forest Springs Forest Springs [Member] Forest Springs Litigation Case [Domain] Litigation Case [Domain] Accumulated other comprehensive income Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Purchases and issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Restricted cash Restricted Cash and Cash Equivalents Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Weighted average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Thereafter Financial Liability, to be Paid, after Year Five Financial Liability, to be Paid, after Year Five Series D preferred OP units Series D Preferred OP Units [Member] Series D Preferred OP Units [Member] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment North America North America [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Haverstraw Safe Harbor Haverstraw [Member] Safe Harbor Haverstraw Brentwood Estates Brentwood Estates [Member] Brentwood Estates [Member] Sun Retreats Geneva on the Lake Sun Retreats Geneva on the Lake [Member] Sun Retreats Geneva on the Lake Net book value Pledged Assets, Real Estate, Not Separately Reported Pledged Assets, Not Separately Reported, Real Estate Treasury Rate Lock Treasury Lock [Member] Sun Retreats Cape Cod Sun Retreats Cape Cod [Member] Sun Retreats Cape Cod Southern Charm Southern Charm [Member] Southern Charm Schedule of Future Minimum Lease Payments to be Received Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Sun Outdoors Old Orchard Beach Downtown Sun Outdoors Old Orchard Beach Downtown [Member] Sun Outdoors Old Orchard Beach Downtown Asset Acquisitions Asset Acquisition [Abstract] Real estate reacquired, note receivable settlement, value Real Estate Reacquired, Note Receivable Settlement, Value Real Estate Reacquired, Note Receivable Settlement, Value Alpine Meadows Alpine [Member] Alpine [Member] Bristol Safe Harbor Bristol [Member] Safe Harbor Bristol Acquisitions Goodwill, Acquired During Period Schedule of Lease Expense Lease, Cost [Table Text Block] Jetstream NASA Jetstream NASA [Member] Jetstream NASA Pevensey Bay Pevensey Bay [Member] Pevensey Bay MH MH [Member] MH San Juan Safe Harbor San Juan [Member] Safe Harbor San Juan Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] All Trading Arrangements All Trading Arrangements [Member] Computation of Basic and Diluted Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Number of mortgage term loans Number of Collateralized Term Loans Number of Collateralized Term Loans Sun Outdoors Garden City Utah Sun Outdoors Garden City Utah [Member] Sun Outdoors Garden City Utah Investment carrying value Equity Method Investments Equity Method Investments Equity Method Investments Pay vs Performance Disclosure [Line Items] Bluebonnet Lake Bluebonnet Lake [Member] Bluebonnet Lake Notional amount, terminated Derivative, Notional Amount, Terminated Derivative, Notional Amount, Terminated Conversion of common and preferred OP units Conversion of Stock, Amount Converted Real Estate and Accumulated Depreciation, by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Wymberly Wymberly [Member] Wymberly [Member] Other Performance Measure, Amount Other Performance Measure, Amount Park Holidays Cash Deposit Park Holidays Cash Deposit [Member] Park Holidays Cash Deposit Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Real estate tax Real Estate Tax Expense Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Jellystone Park™ Mammoth Cave Jellystone Park at Mammoth Cave [Member] Jellystone Park at Mammoth Cave Cash Flow Hedging Cash Flow Hedging [Member] Acquisition of third party equity interest in consolidated entities Difference in purchase price and noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Cash paid for interest on mandatorily redeemable debt Distributions on Mandatorily Redeemable Securities Broadview Estates Broadview Estates [Member] Broadview Estates [Member] Pecan Park Pecan Park [Member] Pecan Park [Member] Loans Payable Loans Payable [Member] All Marina Properties Excluding Marinas Headquarters and Other All Marina Properties Excluding Marinas Headquarters And Other [Member] All Marina Properties Excluding Marinas Headquarters And Other Home costs and selling Cost of Homes Sold Cost of Homes Sold Venture Harbor Fuel Venture Harbor Fuel [Member] Venture Harbor Fuel Sun Outdoors Yellowstone North Sun Outdoors Yellowstone North [Member] Sun Outdoors Yellowstone North New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Stratford Safe Harbor Stratford [Member] Safe Harbor Stratford All Properties Excluding Corporate Headquarters All Properties Excluding Corporate Headquarters [Member] All Properties Excluding Corporate Headquarters [Member] Transfers Accounted for as a Secured Borrowings, Associated Liabilities, Fair Value Adjustment Transfers Accounted for as a Secured Borrowings, Associated Liabilities, Fair Value Adjustment Transfers Accounted for as a Secured Borrowings, Associated Liabilities, Fair Value Adjustment (Gain) / loss on foreign currency exchanges Gain (Loss), Foreign Currency Transaction, after Tax Allocation of income to restricted stock awards Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units Sun Outdoors Islamorada Sun Outdoors Islamorada [Member] Sun Outdoors Islamorada Insurance Loss Recovery Expense Insurance Loss Recovery Expense Amount charged to write off a receivable balance related to expected insurance proceeds from a prior litigation matter. Mortgage Loan Early Payoffs Mortgage Loan Early Payoffs [Member] Mortgage Loan Early Payoffs New Beach New Beach [Member] New Beach Number of Additional Properties Sold Number of Additional Properties Sold Number of Additional Properties Sold Weighted average interest rate Receivable with Imputed Interest, Effective Yield (Interest Rate) Other assets / (liabilities), net Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities) Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities) Receivable [Domain] Receivable [Domain] Sun Retreats Nantahala Sun Retreats Nantahala [Member] Sun Retreats Nantahala Blueberry Hill Blueberry Hill [Member] Blueberry Hill [Member] Additional Information for Finance and Operating Leases Leases, Additional Information [Table Text Block] Leases, Additional Information Number of housing sites sold Number Of Housing Sites Sold Number Of Housing Sites Sold Series F preferred OP units Series F Preferred OP Units [Member] Series F Preferred OP Units 2029 Lessee, Operating Lease, Liability, to be Paid, Year Five Gain on disposition of business Gain (Loss) on Disposition of Business Proceeds from issuance of other debt Proceeds from Issuance of Other Long-Term Debt Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Pine Trace Pine Trace [Member] Pine Trace [Member] Ashbourne Heights Ashbourne Heights [Member] Ashbourne Heights Issuance of third party equity interests in consolidated entities Temporary Equity, Issuance of Third Party Equity Interest in Consolidated Entities Temporary Equity, Issuance of Third Party Equity Interest in Consolidated Entities Cash, cash equivalents and restricted cash Cash, cash equivalents and restricted cash, beginning of period Cash, Cash Equivalents and Restricted Cash, End of Period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Unrecognized share-based compensation costs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Dawlish Sands Dawlish Sands [Member] Dawlish Sands Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Harbors View Safe Harbor Harbors View [Member] Safe Harbor Harbors View Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Lake Juliana Landings Lake Juliana Landings [Member] Lake Juliana Landings Share of capital stock issued (in shares) Common and Preferred Stock, Shares Authorized Common and Preferred Stock, Shares Authorized River Pines River Pines [Member] River Pines [Member] Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Security Exchange Name Security Exchange Name Basis points Debt Instrument, Basis Spread on Variable Rate Operating loss carryforwards after tax Operating Loss Carryforwards, After Tax Operating Loss Carryforwards, After Tax Investment in property, net Wholly Owned Properties [Member] Lincoln Estates Lincoln Estates [Member] Lincoln Estates [Member] Payroll - Real property Cost, Direct Labor Sakonnet Safe Harbor Sakonnet [Member] Safe Harbor Sakonnet Preferred OP units to common OP unit conversion ratio (in shares) Temporary Equity, Preferred to Common Unit Conversion Ratio Temporary Equity, Preferred to Common Unit Conversion Ratio Sun Retreats Sherkston Shores Sun Retreats Sherkston Shores [Member] Sun Retreats Sherkston Shores Provision for state income taxes Current Current State and Local Tax Expense (Benefit) Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Dispositions of properties Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Fair Value, Nonrecurring Fair Value, Nonrecurring [Member] Berth One Palm Beach Berth One Palm Beach [Member] Berth One Palm Beach Goodwill and Intangible Assets Disclosure [Abstract] Number of consolidated joint venture properties disposed Number of Consolidated Joint Venture Properties Number of Consolidated Joint Venture Properties Gain on dispositions of properties Gain on disposition of properties Gain (Loss) on Sale of Properties Detroit River Safe Harbor Detroit River [Member] Safe Harbor Detroit River UK MH Operating Community UK MH Operating Community [Member] UK MH Operating Community Sylvan Crossing Sylvan Crossing [Member] Sylvan Crossing Six Community MH Portfolio Six Community MH Portfolio [Member] Six Community MH Portfolio Winchelsea Sands Winchelsea Sands [Member] Winchelsea Sands Sun Outdoors Arches Gateway Sun Outdoors Arches Gateway [Member] Sun Outdoors Arches Gateway Concentration risk, percentage Concentration Risk, Percentage Assets held for sale Disposal Group, Including Discontinued Operation, Assets Airplane Usage Airplane Usage [Member] Airplane Usage [Member] Sun Outdoors Mystic Sun Outdoors Mystic [Member] Sun Outdoors Mystic Marinas Headquarters and Other Fixed Assets Marinas Headquarters And Other [Member] Marinas Headquarters And Other Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Hannah Village Hannah Village [Member] Hannah Village [Member] Citrus Hill Citrus Hill RV Resort [Member] Citrus Hill RV Resort [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Shady Pines Shady Pines [Member] Shady Pines Grand Bay Grand Bay [Member] Grand Bay [Member] Rainbow Rainbow [Member] Rainbow 5.7% notes, issued in January 2023 and due in January 2033 Senior Unsecured Notes - January 2033 Maturity [Member] Senior Unsecured Notes - January 2033 Maturity Entity Voluntary Filers Entity Voluntary Filers Sun Outdoors Cape Charles Sun Outdoors Cape Charles [Member] Sun Outdoors Cape Charles Net income (loss) Temporary Equity, Net Income Insured Event, Gain (Loss) Insured Event, Gain (Loss) Hedging Designation [Domain] Hedging Designation [Domain] Sun Retreats Fort Myers Beach Sun Retreats Fort Myers Beach [Member] Sun Retreats Fort Myers Beach The Colony The Colony [Member] The Colony [Member] Percentage of gross income Minimum Percent of Income From Qualifying Sources to Allow For Real Estate Investment Trust Classification Minimum Percent of Income From Qualifying Sources to Allow For Real Estate Investment Trust Classification Fair Value, Recurring Fair Value, Recurring [Member] Holiday Park Estates Holiday Park Estates [Member] Holiday Park Estates Sandy Bay [Member] Sandy Bay [Member] Sandy Bay Ownership interest Subsidiary, Ownership Percentage, Parent Wisdom Dock Safe Harbor Wisdom Dock [Member] Safe Harbor Wisdom Dock Change in other liabilities Increase (Decrease) in Other Operating Liabilities Revolving borrowings Total Due Long-Term Debt Asset impairment SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Inventory of manufactured homes, boat parts and retail related items Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Inventory Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Liabilities, Inventory Real Estate Acquisitions and Dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Northville Crossing Northville Crossing [Member] Northville Crossing [Member] Hamlin Hamlin [Member] Hamlin [Member] 2027 Finance Lease, Liability, to be Paid, Year Three Gain from sale of investment Equity Method Investment, Realized Gain (Loss) on Disposal Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Alta Laguna Alta Laguna [Member] Alta Laguna [Member] Percentage of REIT taxable income Required Minimum Percent of Taxable Income Distributed to Stock Holders Required Minimum Percent of Taxable Income Distributed to Stock Holders Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Other adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Adjustments Accounting Policies [Abstract] Accounting Policies [Abstract] Liabilities Liabilities [Abstract] Revenues Revenues [Abstract] Stoneridge Villas Stoneridge Villas [Member] Stoneridge Villas Catastrophic Event [Axis] Catastrophic Event [Axis] PEO Name PEO Name Jellystone Park™ Quarryville Jellystone Park At Quarryville [Member] Jellystone Park At Quarryville [Member] Solent Breezes Solent Breezes [Member] Solent Breezes Award Type [Domain] Award Type [Domain] Marina Village Yacht Harbor Marina Village Yacht Harbor [Member] Marina Village Yacht Harbor 2025 Lessor, Operating Lease, Payment to be Received, Year One Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Hillcrest Hillcrest [Member] Hillcrest [Member] Non-PEO NEO Non-PEO NEO [Member] Westport Safe Harbor Westport [Member] Safe Harbor Westport Interest Rate Swap, USD Interest Rate Swap, USD [Member] Interest Rate Swap, USD Oak Island Village Oak Island Village [Member] Oak Island Village [Member] Mystic Safe Harbor Mystic [Member] Safe Harbor Mystic Exchange Rate Conversion Of Stock, Exchange Rate Conversion Of Stock, Exchange Rate Title and Position [Domain] Title and Position [Domain] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Brookside Village Brookside Village, Kentwood, MI [Member] Brookside Village, Kentwood, MI [Member] Deferred Tax Assets Components of Deferred Tax Assets [Abstract] Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Sand le Mere Sand le Mere [Member] Sand le Mere Reduction in secured borrowing balance Repayment Amount Repayments of Secured Debt Emeryville Safe Harbor Emeryville [Member] Safe Harbor Emeryville Properties Securing Debt Properties securing debt [Member] Properties securing debt [Member] Supplemental Information Supplemental Cash Flow Information [Abstract] Lessor Accounting Lessor, Leases [Policy Text Block] Net Income / (Loss) Attributable to SUI Common Shareholders - Diluted Net Income (Loss) Available to Common Stockholders, Diluted Interest costs capitalized Interest Costs Capitalized Riverside Drive Park Riverside Drive Park [Member] Riverside Drive Park Number of Contracts Derivative, Number of Instruments Held Interest Rate Swap and Forward Swap Contracts Interest Rate Swap and Forward Swap Contracts [Member] Interest Rate Swap and Forward Swap Contracts Auditor Firm ID Auditor Firm ID King's Lake King's Lake [Member] King's Lake [Member] Number of reportable segments Number of Reportable Segments Subsequent Events Subsequent Events [Text Block] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Collateralized Receivables Collateralized Receivables [Member] Collateralized receivables [Member] Hedging Designation [Axis] Hedging Designation [Axis] Operating lease impairment Operating Lease, Impairment Loss Saralake Estates Saralake Estates [Member] Saralake Estates [Member] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] 2026 Finance Lease, Liability, to be Paid, Year Two Waters Edge Waters Edge [Member] Waters Edge Vista Del Lago Vista del Lago [Member] Vista del Lago [Member] Pheasant Ridge Pheasant Ridge Property [Member] Pheasant Ridge Property Oak Creek Oak Creek [Member] Oak Creek [Member] Maturities and Amortization of Debt and Lines of Credit Schedule of Maturities of Long-Term Debt [Table Text Block] Blue Star Blue Star [Member] Blue Star River Haven River Haven [Member] River Haven [Member] Individual: Individual [Axis] Port Royal Safe Harbor Port Royal [Member] Safe Harbor Port Royal Walden Safe Harbor Walden [Member] Safe Harbor Walden Rancho Mirage Rancho Mirage [Member] Rancho Mirage [Member] Vizcaya Lakes Vizcaya Lakes [Member] Vizcaya Lakes [Member] UK Non-Operating Properties UK Non-Operating Properties [Member] UK Non-Operating Properties Oak Crest Oak Crest [Member] Oak Crest [Member] Regency Heights Regency Heights [Member] Regency Heights [Member] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Tax Characterization of Dividends Paid [Axis] Tax Characterization of Dividends Paid [Axis] Tax Characterization of Dividends Paid [Axis] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Cutler Estates Cutler Estates [Member] Cutler Estates [Member] Mortgage Loan Payoffs Mortgage Loan Payoffs [Member] Full payoffs of mortgage loans Number Of Buildings Acquired Number Of Buildings Acquired Number Of Buildings Acquired Golden Sands Golden Sands [Member] Golden Sands Level 3 beginning balance Level 3 ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Furniture, fixtures and equipment Furniture and Fixtures, Gross Rudgate Clinton Rudgate Clinton [Member] Rudgate Clinton [Member] Series C preferred OP units Series C preferred OP units [Member] Series C preferred OP units [Member] Safe Harbor Marinas Safe Harbor Marinas [Member] Safe Harbor Marinas Vallecito Vallecito [Member] Vallecito [Member] Total Other Receivables, net Other Receivables United Kingdom UNITED KINGDOM Meadowbrook Estates Meadowbrook Estates [Member] Meadowbrook Estates [Member] Alberta Alberta [Member] Alberta Countryside Village of Lake Lanier Countryside Lake Lanier [Member] Countryside Lake Lanier [Member] Segments [Axis] Business Segments [Axis] Segments [Axis] Schedule of Share-Based Compensation Cost Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Jellystone Park™ Larkspur Jellystone Park at Larkspur [Member] Jellystone Park at Larkspur [Member] Convertible debt - Aspen Preferred OP Units January 2024 Convertible debt - Aspen Preferred OP Units January 2024 [Member] Convertible debt - Aspen Preferred OP Units January 2024 [Member] Number of real estate assets securing note Number of Real Estate Assets Securing Note Number of Real Estate Assets Securing Note Leases Lessee, Finance Leases [Text Block] Fox Run Fox Run [Member] Fox Run Vesting Type [Axis] Vesting Type [Axis] Vesting Type [Axis] Ocean View Ocean View [Member] Ocean View Sun Outdoors Bend Sun Outdoors Bend [Member] Sun Outdoors Bend Hideaway Bay Safe Harbor Hideaway Bay [Member] Safe Harbor Hideaway Bay Domestic Domestic Tax Jurisdiction [Member] Common OP units Common OP Units [Member] Common OP Units [Member] Lease Description [Axis] Lease Description [Axis] Lease Description Cabrillo Isle and Emerald Coast Cabrillo Isle and Emerald Coast [Member] Cabrillo Isle and Emerald Coast Debt term Debt Instrument, Term Present Value of Lease Liabilities Finance lease liabilities Finance Lease, Liability 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] Beechwood Beechwood [Member] Beechwood [Member] Schedule of Extinguishment of Debt Schedule of Extinguishment of Debt [Table Text Block] Issuance of notes and other receivables in relation to disposition of properties Noncash or Part Noncash Divestiture, Amount of Consideration Received, Note Receivable Noncash or Part Noncash Divestiture, Amount of Consideration Received, Note Receivable Loss on remeasurement of notes receivable (see Note 4) Gain (Loss) On Remeasurement Of Note Receivable Gain (Loss) On Remeasurement Of Note Receivable Carroll Island Safe Harbor Carroll Island [Member] Safe Harbor Carroll Island Shadow Wood Village Shadow Wood Village [Member] Shadow Wood Village [Member] Consolidated entities Noncontrolling Interest in Variable Interest Entity Sun Outdoors Rehoboth Bay Sun Outdoors Rehoboth Bay [Member] Sun Outdoors Rehoboth Bay Common and preferred OP units Carrying Amount Noncontrolling Interest in Operating Partnerships Assets and liabilities reclassified from held-for-sale Property, Plant and Equipment, Transfers and Changes Stonebridge Stonebridge, San Antonio, TX [Member] Stonebridge, San Antonio, TX [Member] Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] Transaction costs Business Acquisition, Transaction Costs Rental homes and improvements Rental Properties Unsecured debt Unsecured Debt [Abstract] Sweetwater Sweetwater [Member] Sweetwater Preceding trading days, threshold Temporary Equity, Threshold, Preceding Trading Days Temporary Equity, Threshold, Preceding Trading Days Forest Meadows Forest Meadows [Member] Forest Meadows [Member] Liability Class [Axis] Liability Class [Axis] Sunset Ridge TX Sunset Ridge (TX) [Member] Sunset Ridge Tranquility MHC Tranquility MHC [Member] Tranquility MHC Total Cash Paid on Lease Liabilities Operating and Financing, Payments Operating and Financing, Payments Yacht Haven Safe Harbor Yacht Haven [Member] Safe Harbor Yacht Haven Conversion of stock, shares converted (in shares) Conversion of Stock, Shares Converted Sale Leaseback Transaction [Table] Sale Leaseback Transaction [Table] Cash Settlement Receipt / (Payment) Proceeds from Hedge, Financing Activities In-place leases (including slip in-place leases) In-place leases Leases, Acquired-in-Place [Member] Change in inventory, other assets and other receivables, net Increase (Decrease) in Other Operating Assets Conversion Rate Preferred Stock, Convertible, Conversion Ratio Real Estate [Domain] Real Estate [Domain] Candlelight Manor Candlelight Manor [Member] Candlelight Manor [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Sun Retreats Lancaster County Sun Retreats Lancaster County [Member] Sun Retreats Lancaster County Impaired assets Property impairment charges Impairment, Long-Lived Asset, Held-for-Use Measure: Measure [Axis] Depreciation and Amortization Depreciation, Depletion, and Amortization [Policy Text Block] Non-competition agreements Noncompete Agreements [Member] The Hideaway The Hideaway [Member] The Hideaway [Member] Entity Emerging Growth Company Entity Emerging Growth Company Colony in the Wood(9) Colony In The Wood [Member] Colony In The Wood [Member] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] St. Clair Place St. Clair Place [Member] St. Clair Place [Member] 2029 Long-Term Debt, Maturity, Year Five Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Dispositions and other Real Estate, Dispositions and Other Real Estate, Dispositions and Other UK UK Segment [Member] UK Segment Birch Hill Estates Birch Hill Estates [Member] Birch Hill Estates Other state taxes - flow through subsidiaries Income Tax Expense (Benefit), Other State Tax, Flow Through Subsidiaries Income Tax Expense (Benefit), Other State Tax, Flow Through Subsidiaries Number of investment shares sold Number of Shares Sold, Investment Number of Shares Sold, Investment Finance lease, ROU asset, net of accumulated amortization Finance Lease, Right-of-Use Asset, after Accumulated Amortization Number of Wet Slips and Dry Storage Spaces Leased Number of Wet Slips and Dry Storage Spaces Leased Number of Wet Slips and Dry Storage Spaces Leased Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Shelburne Shipyard Safe Harbor Shelburne Shipyard [Member] Safe Harbor Shelburne Shipyard Estimated insurance recoveries Total estimated insurance receivable - December 31, 2023 Total estimated insurance receivable - December 31, 2024 Estimated Insurance Recoveries Tax provision / (benefit) - taxable subsidiaries, percentage Income Tax Expense (Benefit), Taxable Subsidiaries, Percent Income Tax Expense (Benefit), Taxable Subsidiaries, Percent Statement [Table] Statement [Table] Less: Imputed interest Operating and Finance, Liability, Undiscounted Excess Amount Operating and Finance, Liability, Undiscounted Excess Amount Significant Accounting Policies Significant Accounting Policies [Text Block] Real Estate Operator Real Estate Operator [Member] Real Estate Operator Seaview Seaview [Member] Seaview Plymouth Safe Harbor Plymouth [Member] Safe Harbor Plymouth Temporary Equity Temporary Equity [Policy Text Block] Temporary Equity Number of sites affected Number of Sites that Sustained Significant Damage Number of Sites that Sustained Significant Damage Cider Mill Village Cider Mill Village [Member] Cider Mill Village [Member] Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) Fair Value, Inputs, Level 1 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Net foreign currency translation gain / (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Birchington Vale Birchington Vale [Member] Birchington Vale Noncash investing and financing activities Noncash Investing and Financing Items [Abstract] Interest or penalty associated with unrecognized income tax provision Unrecognized Tax Benefits, Interest on Income Taxes Expense 2027 Long-Term Debt, Maturity, Year Three Sun Retreats Adirondack Gateway Sun Retreats Adirondack Gateway [Member] Sun Retreats Adirondack Gateway Repayments of notes and other receivables Repayment of Notes and Other Receivables The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] Walden Woods II Walden Woods II [Member] Walden Woods II Income Taxes Income Tax Disclosure [Text Block] Lakeside Crossing Lakeside Crossing [Member] Lakeside Crossing [Member] Proceeds from Sale of Notes Receivable Proceeds from Sale of Notes Receivable Number of properties reacquired Number of Properties Reacquired Number of Properties Reacquired UK Headquarters and Other United Kingdom Headquarters [Member] United Kingdom Headquarters Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Baker Acres Baker Acres [Member] Baker Acres [Member] Clear Water Clear Water Mobile [Member] Clear Water Mobile [Member] Mortgage Loan Paydowns Mortgage Loan Paydowns [Member] Partial Payments of mortgage loans Saddle Oak Club Saddle Oak Club [Member] Saddle Oak Club [Member] Proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments Income from real property Lease Income, Nontransient Lease Income, Nontransient Aspen preferred OP units Aspen Preferred OP Units [Member] Aspen Preferred OP Units [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Credit Facility [Axis] Credit Facility [Axis] Acquisitions - Deferred tax liabilities Noncash or Part Noncash Acquisition, Value of Deferred Tax Liabilities Assumed Noncash or Part Noncash Acquisition, Value of Deferred Tax Liabilities Assumed Sun Outdoors Rocky Mountains Sun Outdoors Rocky Mountains [Member] Sun Outdoors Rocky Mountains Entity Registrant Name Entity Registrant Name Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Deferred Deferred State and Local Income Tax Expense (Benefit) Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Lease Description [Domain] Lease Description [Domain] Lease Description [Domain] Geographical [Domain] Geographical [Domain] Jarrett Bay Boatworks [Member] Jarrett Bay Boatworks [Member] Jarrett Bay Boatworks Other Liabilities (Contingent Consideration) Contingent Consideration Liability [Member] Contingent Consideration Liability Restatement Determination Date: Restatement Determination Date [Axis] Pine Acre Trails [Member] Pine Acre Trails [Member] Pine Acre Trails Gross Amount Carried, Total Beginning balance Ending balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Title of 12(b) Security Title of 12(b) Security Pebble Creek Pebble Creek [Member] Pebble Creek [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Disposal Group, Not Discontinued Operations Disposal Group, Not Discontinued Operations [Member] Common stock, $0.01 par value. Authorized: 360.0 shares; Issued and outstanding: 127.4 at December 31, 2024 and 124.4 at December 31, 2023 Common Stock, Value, Issued Chisholm Point Chisholm Point [Member] Chisholm Point [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Business Interruption Loss [Axis] Business Interruption Loss [Axis] Schedule of Notes and Other Receivables Schedule of notes and other receivables [Table Text Block] Schedule of notes and other receivables [Table Text Block] Sunset Ridge Sunset Ridge [Member] Sunset Ridge [Member] Other adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other Adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Other Adjustments State and local taxes, net of federal benefit, percentage Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Kings Point Safe Harbor Kings Point [Member] Safe Harbor Kings Point Sun Outdoors Key Largo Sun Outdoors Key Largo [Member] Sun Outdoors Key Largo All Currencies [Domain] All Currencies [Domain] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Income / (Loss) Before Other Items Income (Loss) From Continuing Operations Before Other Items And Taxes Income (Loss) From Continuing Operations Before Other Items And Taxes Land For Development Land For Development [Member] Land For Development Gross deferred tax liabilities Deferred Tax Liabilities, Gross Basic earnings/(loss) per share (in USD per share) Earnings Per Share, Basic Sun Retreats Wild Acres Sun Retreats at Wild Acres [Member] Sun Retreats at Wild Acres Emerald Coast Safe Harbor Emerald Coast [Member] Safe Harbor Emerald Coast Palm Key Village Palm Key Village [Member] Palm Key Village [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Suncoast Gateway Suncoast Gateway [Member] Suncoast Gateway [Member] Rolling Hills Rolling Hills [Member] Rolling Hills [Member] Inventory of manufactured homes Inventory, Finished Homes Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Goodwill [Table] Goodwill [Table] Fiddler's Cove Safe Harbor Fiddler's Cove [Member] Safe Harbor Fiddler's Cove 2.3% notes, issued in October 2021 and due in November 2028 Senior Unsecured Notes - November 2028 Maturity [Member] Senior Unsecured Notes - November 2028 Maturity Proceeds from Equity Method Investment, Distribution Proceeds from Equity Method Investment, Distribution 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Total identifiable assets acquired net of liabilities assumed Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Line of credit and other Long-Term Line of Credit Shares Granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Issuance of Series L preferred OP units Noncontrolling Interest, Increase from Subsidiary Equity Issuance Charlevoix Estates Charlevoix Estates [Member] Charlevoix Estates 2026 Financial Liability, to be Paid, Year Two Financial Liability, to be Paid, Year Two Corporate Headquarters and Other Fixed Assets Corporate Headquarters [Member] Corporate Headquarters [Member] Lake San Marino RV Resort(8) Lake San Marino RV Park [Member] Lake San Marino RV Park Adjustments to arrive at net income Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Series E preferred OP units Series E Preferred OP Units [Member] Series E Preferred OP Units Number of properties Number of Real Estate Properties Sun Outdoors North Moab Sun Outdoors North Moab [Member] Sun Outdoors North Moab Lost Dutchman Lost Dutchman [Member] Lost Dutchman Oak Leaf Oak Leaf [Member] Oak Leaf Fair value adjustment gain (loss) Equity Method Investments, Fair Value Adjustment Gain (Loss) Equity Method Investments, Fair Value Adjustment Gain (Loss) Property expansion and development SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Addition Total Revenues Revenues Share-Based Compensation Share-Based Payment Arrangement [Text Block] Assets, Total Assets, Total [Member] Total consideration Asset Acquisition, Consideration Transferred Transfers of Financial Assets Accounted for as Secured Borrowings [Abstract] Transfers of Financial Assets Accounted for as Secured Borrowings [Abstract] Accounting for Leases Lessee, Leases [Policy Text Block] Tower Marine Safe Harbor Tower Marine [Member] Safe Harbor Tower Marine 2026 Operating and Finance, Liability, Payments, Due Year Two Operating and Finance, Liability, Payments, Due Year Two Shelter Island Safe Harbor Shelter Island Boatyard [Member] Safe Harbor Shelter Island Boatyard Traveler's World Travelers World [Member] Travelers World RV Resort [Member] Issuance price (in dollars per share) Temporary Equity, Issuance Price Temporary Equity, Issuance Price Share-based compensation - expensed Share-Based Payment Arrangement, Expense Brookside Manor Brookside Manor [Member] Brookside Manor Woodlands at Church Lake Woodlands at Church Lake [Member] Woodlands at Church Lake [Member] Podickory Point Safe Harbor Podickory Point [Member] Safe Harbor Podickory Point Indian Creek RV Resort Indian Creek Park [Member] Indian Creek Park Conversions Stock Issued During Period, Value, Conversion of Convertible Securities Loss Contingencies [Table] Loss Contingencies [Table] Business Acquisition [Axis] Business Acquisition [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Foreign Foreign Tax Jurisdiction [Member] Egelcraft Egelcraft [Member] Egelcraft [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Fort Dupont Fort Dupont [Member] Fort Dupont Three Gardens Three Gardens [Member] Three Gardens [Member] Hidden River Hidden River RV Resort [Member] Hidden River RV Resort [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total assets measured at fair value Total assets measured at fair value Level 3 beginning balance Level 3 ending balance Assets, Fair Value Disclosure Pine Ridge Pine Ridge [Member] Pine Ridge [Member] Farmwood Village Farmwood Village [Member] Farmwood Village [Member] Unvested restricted shares, beginning balance (in shares) Unvested restricted shares, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Collateralized receivables, net (see Note 5) Collateralized receivables, net Transfers Accounted for as Secured Borrowings, Assets, Carrying Amount Buttonwood Bay Buttonwood Bay [Member] Buttonwood Bay [Member] Royale Holdings Group Hold Co Limited Royale Holdings Group Hold Co Limited [Member] Royale Holdings Group Hold Co Limited Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Number of payments made [Axis] Number of payments made [Axis] Number of payments [Axis] Sun Outdoors Association Island Sun Outdoors Association Island [Member] Sun Outdoors Association Island Interest Interest Income, Operating Schedule of Business Acquisitions Schedule of Business Acquisitions, by Acquisition [Table Text Block] Sun Retreats New Point Sun Retreats New Point [Member] Sun Retreats New Point Millwood Millwood [Member] Millwood [Member] Tax Characterization of Dividends Paid [Domain] Tax Characterization of Dividends Paid [Domain] Tax Characterization of Dividends Paid [Domain] Federal Federal Income Tax Expense (Benefit), Continuing Operations [Abstract] Peninsula Yacht Club Safe Harbor Peninsula Yacht Club [Member] Safe Harbor Peninsula Yacht Club Sun Outdoors San Diego Bay Sun Outdoors San Diego Bay [Member] Sun Outdoors San Diego Bay Tanglewood Village Tanglewood Village [Member] Tanglewood Village Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Entity Current Reporting Status Entity Current Reporting Status Lazy J Ranch Lazy J Ranch [Member] Lazy J Ranch [Member] Distributions in Excess of Accumulated Earnings Retained Earnings [Member] Sun Retreats Crystal River Sun Retreats Crystal River [Member] Sun Retreats Crystal River Meadow Lake Meadow Lake Estates [Member] Meadow Lake Estates [Member] Schedule of Conversions of Stock Schedule of Conversions of Stock [Table Text Block] Walden Woods I Walden Woods I [Member] Walden Woods [Member] Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Rudgate Manor Rudgate Manor [Member] Rudgate Manor [Member] Executive Category: Executive Category [Axis] Jellystone Park™ at Natural Bridge Jellystone Park at Natural Bridge [Member] Jellystone Park at Natural Bridge Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Green Harbor Safe Harbor Green Harbor [Member] Safe Harbor Green Harbor Jellystone Park™ Williamsport(8) Jellystone Park At Maryland [Member] Jellystone Park At Maryland [Member]