Document and Entity Information Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Common Stock, Shares, Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Consolidated Balance Sheets Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Accounts payable, accrued expenses and other liabilities Assets [Abstract] ASSETS ASSETS Real Estate Real estate Real estate Real Estate Investment Property, at Cost Real estate, at cost Real estate, at cost (refer to Note 4 and Note 5) Real Estate Investment Property, Accumulated Depreciation Less: accumulated depreciation Less: accumulated depreciation Less: accumulated depreciation Real Estate Investment Property, Net Real estate, net Inventory, Real Estate, Land and Land Development Costs Land and development, net Total land and development, net Land and development, net The aggregate amount of notes receivable and other lending investments net of allowance for credit losses. Notes Receivable and Other Lending Investments, Net of Allowance For Credit Losses Loans receivable and other lending investments, net ($497 and $578 of allowances as of March 31, 2026 and December 31, 2025, respectively) Total loans receivable and other lending investments, net Other Investments Other investments Cash Cash This element represents interest, rents, ancillary and operating lease income earned but not yet received by the entity on its loans and other lending investments and net lease assets. Accrued Interest and Operating Lease Income Receivable Net Accrued interest and operating lease income receivable, net Deferred Rent Receivables, Net Deferred operating lease income receivable, net Deferred Costs and Other Assets Deferred expenses and other assets, net Deferred expenses and other assets, net Deferred expenses and other assets, net Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities [Abstract] Liabilities: LIABILITIES Accounts Payable and Accrued Liabilities Accounts payable, accrued expenses and other liabilities Accounts payable, accrued expenses and other liabilities Long-term Debt Debt obligations, net Total debt obligations, net Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (refer to Note 10) Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Equity: Stockholders' Equity Attributable to Parent [Abstract] Star Holdings shareholders' equity: Common Stock, Value, Issued Common Stock, $0.001 par value, 200,000 shares authorized, 12,081 and 12,318 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss) Stockholders' Equity Attributable to Parent Star Holdings shareholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Ending Balance Beginning Balance Total equity Liabilities and Equity Total liabilities and equity Financing Receivable, Allowance for Credit Loss Allowance for loan losses Allowance for loan losses at end of period Allowance for loan losses at beginning of period Loans receivable and other lending investments, allowances Common Stock, Par or Stated Value Per Share Common Stock, par value (in dollars per share) Common Stock, Shares Authorized Common Stock, shares authorized (in shares) Common Stock, Shares, Issued Common Stock, shares issued (in shares) Common Stock, Shares, Outstanding Common Stock, shares outstanding (in shares) Management Fee Payable Management fees due safe Consolidated Statements of Operations Product and Service [Axis] Product and Service [Domain] Operating Lease Income [Member] Operating lease income Operating lease income Interest Income Revenue [Member] Interest income Interest income Other Income Revenue [Member] Other income Other income Land Development [Member] Land development revenue Land development revenue Real Estate Activity [Member] Real estate expense Real estate expense Related Party [Axis] Related Party [Domain] Nonrelated Party [Member] Nonrelated party Revenues [Abstract] Revenues: Revenues Revenues Total revenues Costs and Expenses [Abstract] Costs and expenses: Interest Expense Interest expense Cost of Revenue Cost of sales expense Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization General and Administrative Expense General and administrative Financing Receivable, Credit Loss, Expense (Reversal) Provision for (recovery of) loan losses Other Expenses Other expense Costs and Expenses Total costs and expenses Equity Securities, FV-NI, Gain (Loss) Unrealized (gains) losses on equity investments Unrealized gains (losses) on equity investments This element represents the income (loss) from continuing operations before income (loss) from equity method investments, gains (losses) on early extinguishment of debt, and other items. Income (Loss) from Continuing Operations before Income (Loss) from Equity Method Investments and Other Items Income (loss) from operations before other items and income taxes Gain (Loss) on Extinguishment of Debt Loss on early extinguishment of debt Loss on early extinguishment of debt, net Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Net income (loss) Net income (loss) Net Income (Loss) Attributable to Noncontrolling Interest Net (income) loss from operations attributable to noncontrolling interests Net income (loss) allocable to common shareholders Earnings Per Share Per common share data: Earnings Per Share, Basic Net income (loss) allocable to common shareholders - Basic Earnings Per Share, Diluted Net income (loss) allocable to common shareholders - Diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of common shares: Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding for basic earnings per common share Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted average common shares outstanding for diluted earnings per common share Hotel Hotel Related Party [Member] Related party Other Nonrecurring (Income) Expense Other expense (income) Amount of related party interest expense classified as operating. Interest Expense, Related Party, Operating Interest expense, related party Management Fee Expense Management fees Consolidated Statements of Comprehensive Income (Loss) Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income: OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Unrealized gains (losses) on available-for-sale securities Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) attributable to common shareholders Consolidated Statements of Changes in Equity Equity Components [Axis] Equity Component [Domain] Common Stock Common Stock Common Stock At Par Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders excluding net parent investment. Additional Paid-In Capital Excluding Net Parent Investment [Member] Additional Paid-In Capital The cumulative amount of the reporting entity's undistributed earnings or deficit, excluding net parent investment. Retained Earnings, Excluding Net Parent Investment [Member] Accumulated Deficit Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) Noncontrolling Interest [Member] Noncontrolling Interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Period Increase (Decrease) Change in accumulated other comprehensive income (loss) Stock Repurchased and Retired During Period, Value Repurchase of stock Outstanding common stock Increase (decrease) in noncontrolling interests resulting from changes other than contributions from or distributions to noncontrolling interest holders during the period. Minority Interest, Increase (Decrease) from Other Changes Change in noncontrolling interests (refer to Note 5) Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to cash flows from operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Amortization of Debt Issuance Costs and Discounts Amortization of discounts/premiums and deferred interest on loans, net The component of interest income representing the noncash interest earned in the period on loans and other lending investments as well as the amortization of deferred costs or fees over the related loan investments. Amortization of Discounts or Premiums Deferred Interest and Costs on Lending Investments Amortization of premium, discount and deferred financing costs and paid-in-kind interest on debt obligations, net Straight Line Rent Deferred operating lease income Land development revenue (in excess of) cost of sales Land Development Revenue In Excess Of Cost Of Sales Land development revenue (in excess of) cost of sales Other Operating Activities, Cash Flow Statement Other operating activities, net Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: This element represents net change during the reporting period in accrued interest income and operating lease income receivable earned but not yet received. Increase (Decrease) in Accrued Interest and Operating Lease and Income Receivable Changes in accrued interest and operating lease income receivable Increase (Decrease) in Prepaid Expense and Other Assets Changes in deferred expenses and other assets, net Increase (Decrease) in Accounts Payable and Accrued Liabilities Changes in accounts payable, accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities Cash flows used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Notes Receivable Originations and fundings of loans receivable and other lending investments, net Payments to Develop Real Estate Assets Capital expenditures on real estate assets The cash inflow or outflow associated with capital expenditures or reimbursement on land and development assets, net. Payment For (Reimbursements From) Capital Expenditures On Land And Development Assets Capital reimbursements (expenditures) on land and development assets, net Proceeds from Principal Repayments on Portfolio of Assets Proceeds from Principal Repayments on Portfolio of Assets Repayments of and principal collections on loans receivable and other lending investments, net Proceeds from sale of land and development assets. Proceeds From Sale Of Land And Development Assets Net proceeds from sales of land and development assets Amount of cash and restricted cash removed from the consolidated entity as a result of the deconsolidation of venture Cash And Restricted Cash Disposed On Deconsolidation Of Venture Cash and restricted cash disposed upon deconsolidation of venture (refer to Note 5) Payments for (Proceeds from) Other Investing Activities Other investing activities, net Net Cash Provided by (Used in) Investing Activities Cash flows provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Issuance of Debt Borrowings from debt obligations Repayments of Debt Repayments of debt obligations Payments of Financing Costs Payment of deferred financing costs Payment for Debt Extinguishment or Debt Prepayment Cost Payments of debt prepayment or extinguishment costs Payments for Repurchase of Common Stock Repurchase of common stock Proceeds from (Payments for) Other Financing Activities Other financing activities, net Net Cash Provided by (Used in) Financing Activities Cash flows provided by (used in) financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Changes in cash and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and restricted cash at end of period Cash and restricted cash at beginning of period Total cash and restricted cash N/A Reconciliation of Cash and Cash Equivalents [Abstract] Reconciliation of cash and restricted cash presented on the consolidated statements of cash flows Restricted Cash Restricted cash included in deferred expenses and other assets, net Business And Organization This element represents nature of an entity's business, the major products or services it sells or provides and its principal markets. It also discloses background of the entity. Business and Organization [Text Block] Business and Organization Basis of Presentation and Principles of Consolidation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation and Principles of Consolidation Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Real Estate Disclosure [Text Block] Real Estate Land And Development [Abstract] Land and Development Land and Development [Text Block]. Land And Development [Text Block] Land and Development Loans Receivable and Other Lending Investments, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Receivable and Other Lending Investments, net Other Investments. This element represents the disclosures for equity method investments, cost method investments, and marketable securities. Other Investments [Text Block] Other Investments -- None. No documentation exists for this element. -- Other Assets and Other Liabilities This element may be used as a single block of text to encapsulate the entire disclosure for other assets and other liabilities including data and tables. Other Assets and Other Liabilities Disclosure [Text Block] Other Assets and Other Liabilities Debt Obligations, net Debt Disclosure [Text Block] Debt Obligations, net Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Risk Management Derivative Instruments and Hedging Activities Disclosure [Text Block] Risk Management Equity Stockholders' Equity Note Disclosure [Text Block] Equity Earnings Per Share [Text Block] Earnings Per Share Fair Values Fair Value Disclosures [Text Block] Fair Values Segment Reporting Segment Reporting Disclosure [Text Block] Segment Reporting New Accounting Pronouncements, Policy [Policy Text Block] New accounting pronouncements Schedule of Variable Interest Entities [Table Text Block] Schedule of assets and liabilities of consolidated VIEs Schedule of Real Estate Assets [Table Text Block] Schedule of Real Estate Assets [Table Text Block] Schedule of real estate assets Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block] Schedule of future minimum lease payments to be collected under non-cancelable operating leases Schedule Of Land And Land Improvements Schedule Of Land And Land Improvements [Table Text Block] Schedule of land and development assets Tabular disclosure of loans and other lending investments by class. Includes the gross carrying value of a loan by class, reserve for loan losses, and the net carrying value as of the Balance Sheet date. Schedule of Loans and Other Lending Investments [Table Text Block] Schedule of the company's loans receivable and other lending investments by class Financing Receivable, Allowance for Credit Loss [Table Text Block] Schedule of changes in the company's allowance for loan losses Marketable Securities [Table Text Block] Schedule of other lending investments - securities Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of contractual maturities of securities Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of deferred expenses and other assets, net Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of accounts payable, accrued expenses and other liabilities Schedule of Debt [Table Text Block] Schedule of debt obligations Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of future scheduled maturities of outstanding debt obligations Tabular disclosure of the reconciliation of income (loss) from continuing operations used in the basic and diluted EPS calculations. Schedule of Income (Loss) from Continuing Operations Used in Basic and Diluted Earnings Per Share Calculations [Table Text Block] Schedule of reconciliation of income (loss) from continuing operations used in the basic and diluted EPS calculations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of earnings per share allocable to common shares Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Schedule of assets and liabilities recorded at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Summary of changes in Level 3 available-for-sale securities reported at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of carrying value and fair value of financial instruments Number of Operating Segments Number of operating segments Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated VIEs Consolidated VIEs Variable Interest Entity [Line Items] Variable interest entities Schedule of Real Estate Properties [Table] Schedule of Real Estate Properties [Table] Real Estate Property Ownership [Axis] Real Estate Properties [Domain] Represents the Operating Properties segment that includes the Company's activities and operations related to its commercial and residential properties. Operating properties Operating properties Real Estate Properties [Line Items] Other Assets and Other Liabilities Land Land, at cost Investment Building and Building Improvements Buildings and improvements, at cost Tenant Expense Reimbursements Tenant Expense Reimbursements Tenant expense reimbursements Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivable Type [Axis] Receivable [Domain] Real Estate Tenant Receivables [Member] Real Estate Tenant Receivables Real Estate Tenant Receivables Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Receivable, Allowance for Credit Loss Allowance for doubtful accounts receivable Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year 2026 (remaining nine months) Lessor, Operating Lease, Payment to be Received, Year One 2027 Lessor, Operating Lease, Payment to be Received, Year Two 2028 Long-Lived Tangible Asset [Axis] Property, Plant and Equipment, Type [Domain] Land and Land Improvements [Member] Land and development asset Land and Land Improvements Land and land development, at cost Real Estate Investment Property, Accumulated Depreciation and Amortization Real Estate Investment Property, Accumulated Depreciation and Amortization Less: accumulated depreciation Represents information relating to multifamily project in Asbury Park, NJ, venture. Multifamily Project in Asbury Park, NJ Venture Venture Represents the information pertaining to Mezzanine loan. Mezzanine Loan [Member] Mezzanine loan Interest Receivable Accrued interest Payments to Fund Long-Term Loans to Related Parties Amount of funded mezzanine loan Guarantor Obligations, Maximum Exposure, Undiscounted Completion and carry guaranty Carrying amount of cash inflow from third party capital contribution to the venture. Third Party Capital Contributions Third party capital contributions Amount of deferred profit interest, capitalized in capital contributions to venture from third parties. Deferred Profit Interest, Equity Capitalization Deferred profit interest Deconsolidation, Gain (Loss), Amount De-consolidation loss Loans Loans Other Security Investments [Member] Other lending investments Class of Financing Receivable [Axis] Class of Financing Receivable [Domain] Senior mortgages Senior mortgages Second Mortgage [Member] Subordinate mortgages Financial Instrument [Axis] Financial Instruments [Domain] Debt securities Debt securities Available-for-sale debt securities Balance Sheet Location [Axis] Balance Sheet Location [Domain] Accrued Interest And Operating Lease Income Receivable, Net Accrued Interest And Operating Lease Income Receivable, Net Accrued Interest And Operating Lease Income Receivable, Net Financing Receivable, before Allowance for Credit Loss Gross carrying value of loans Other Lending Investments Other Lending Investments Other lending investments The aggregate amount of notes receivable and other lending investments before allowance for credit losses. Notes Receivable and Other Lending Investments, Before Allowance For Credit Losses Total gross carrying value of loans receivable and other lending investments Financing Receivable, Accrued Interest, before Allowance for Credit Loss Accrued interest Accounting Standards Update and Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Allowance for Loan and Lease Losses [Roll Forward] Financing Receivables Financing Receivable, Allowance for Credit Loss, Writeoff Charge offs The percentage of notes receivable and other lending investments that are current in their payment status and a risk rating of 3. Notes Receivable and Other Lending Investments, Current in Payment Status and Risk Rating of Three Percent of Company's loans that were current in their payment status and a risk rating of 3 The number of loans receivable repaid during the period. Number Of Loans Receivable Repaid Number of loans receivable repaid Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-sale [Table] Represents the information pertaining to one available-for-sale security. One Available-for-sale Security [Member] One available-for-sale security Represents the information pertaining to nine available-for-sale securities. Nine Available-for-sale Securities [Member] Nine available-for-sale securities Represents the information pertaining to seven available-for-sale securities. Seven Available-for-sale Securities [Member] Seven available-for-sale securities Represents the information pertaining to five available-for-sale securities. Five Available-for-sale Securities [Member] Five available-for-sale securities Measurement Basis [Axis] Portion at Fair Value Measurement Fair Value Fair Value Carrying Value Carrying Value Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Abstract] Other lending investments Face value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Debt Securities, Available-for-sale, Face Value Face Value Debt Securities, Available-for-sale, Amortized Cost Amortized Cost Basis Amortized Cost Basis Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax Net Unrealized Gain (Loss) Debt Securities, Available-for-sale Ending balance Beginning balance Estimated Fair Value Available-for-sale securities Debt Securities, Available-for-Sale, Type [Extensible Enumeration] Represents the number of debt securities available for sale with gain. Debt Securities, Available For Sale With Gain, Number Number of available for sale securities with gain Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Debt securities available for sale, accumulated unrealized gain Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Number of securities available sale, unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Debt securities available for sale, accumulated unrealized loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Number of securities available sale, unrealized loss positions, more than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Debt securities available for sale, accumulated unrealized loss, more than 12 months Available-for-sale Securities, Debt Maturities [Abstract] Available-for-Sale Debt Securities Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] Amortized Cost Basis Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 After 10 years Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract] Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 After 10 years Available-for-sale Securities, Debt Securities, Fair Value Available-for-sale Securities, Debt Securities, Fair Value Estimated Fair Value Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment, Name [Axis] Investment, Name [Domain] Information pertaining to Safehold, Inc. Safehold Inc. Safehold Inc. Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Investment Owned, Balance, Shares Number of shares owned (in shares) Equity Method Investment, Ownership Percentage Equity interest Common Stock, Closing Price Per Share Common Stock, Closing Price Per Share Closing price (in dollars per share) Fair Value of Equity Method Investment Fair Value Of Equity Method Investment Market value Equity Securities, FV-NI, Unrealized Gain (Loss) Unrealized gain (loss) on equity investment Counterparty Name [Axis] Counterparty Name [Domain] Information pertaining to Safehold Management Services, Inc. Safehold Management Services, Inc [Member] Safehold Management Services Affiliated Entity [Member] Affiliated entity Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum Minimum Maximum Maximum The amount of fees to be paid for management of operations in year three per a management agreement. Operation Management Fee Expense, Year Three Annual management fee - Year 3 The amount of fees to be paid for management of operations in year four per a management agreement. Operation Management Fee Expense, Year Four Annual management fee - Year 4 The percentage of gross assets net of common stock shares owned used for determining annual fess for managing operations for Year Five and thereafter of the agreement. Management Fee, Percent, Year Five and Thereafter Annual management fee percent of gross book value, year five and thereafter Term of notice required to terminate management agreement with cause. Management Agreement, Notice To Terminate With Cause Notice required to terminate management agreement with cause Term of notice required to terminate management agreement without cause. Management Agreement, Notice to Terminate Without Cause Notice required to terminate management agreement without cause Represents the percentage approval of independent trustees to terminate management agreement without cause. Management Agreement, Percentage Approval of Independent Directors Required to Terminate Without Cause Percentage approval of independent trustees to terminate management agreement without cause Fee due in the event the management agreement is terminated by the company without cause prior to the fourth anniversary of the agreement, net of the aggregate amount of management fees paid prior to termination. Management Agreement, Termination Fee, Without Cause Termination fee, termination without cause The percentage threshold of beneficial ownership in affiliate under which the company is no longer restricted to vote in accordance with the affiliate's board of director recommendations. Restrictive Voting Requirement, Percentage of Beneficial Ownership Threshold Beneficial ownership percentage under which restrictive voting requirements no longer apply The percentage of ownership threshold under which registration rights will terminate and will be able to sell all shares of affiliate without restriction.. Registration Rights Agreement, Percentage Ownership Threshold Under Which Registration Rights Will Terminate Percentage of ownership threshold under which registration rights will terminate. Income Statement Location [Axis] Income Statement Location [Domain] Primary financial statement caption encompassing real estate expense. Real Estate Expense Real Estate Expense Other Assets Other assets Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position Restricted Cash and Cash Equivalents Restricted cash Other Receivables Other receivables Deferred Costs, Leasing, Net Leasing costs, net Finite-Lived Intangible Assets, Net Intangible assets, net Operating Lease, Expense Operating lease expense Deferred Costs, Leasing, Accumulated Amortization Accumulated amortization on leasing costs Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, accumulated amortization Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Weighted average amortization period Other Liabilities Other liabilities Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include property accounts payable, legal liabilities, loan costs, general and administrative liabilities, but exclude interest. Accrued Liabilities Other than Interest Accrued expenses Operating Lease, Liability Operating lease liabilities Contract with Customer, Liability Deferred income Amount of other payable related to real estate properties. Other Real Estate Payables Other payables related to real estate properties Operating Lease, Liability, Statement of Financial Position [Extensible List] Operating Lease, Liability, Statement of Financial Position Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Secured Debt [Member] Secured Debt Debt Instrument [Axis] Debt Instrument, Name [Domain] Line of Credit [Member] Safe Credit Facility A contractual arrangement with a lender under which borrowings can be made up to a specific amount against the value of securities owned. Margin Loan Facility [Member] Margin Loan Facility Represents information relating to senior construction mortgage loan amount against the value of securities owned. Senior Construction Mortgage Loan Senior Construction Mortgage Loan Lender Name [Axis] Line of Credit Facility, Lender [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Debt, Gross Long-term debt, outstanding balance Total principal maturities Total debt obligations Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Unamortized discounts and deferred financing costs, net Debt discounts and deferred financing costs, net Debt Instrument, Interest Rate, Stated Percentage Stated interest rate Stated interest rate Debt Instrument, Basis Spread on Variable Rate Basis point spread on variable interest rate The amount of increase in the percentage points added to the reference rate to compute the variable rate on the debt instrument in the interest period immediately succeeding any interest period in which a paid-in-kind election is made. Debt Instrument, Basis Spread On Variable Rate, Increase For Succeeding Period After PIK Election Increase in basis point spread for the period immediately succeeding a period in which the Company makes a PIK election. Interest Costs Capitalized Interest costs capitalized Maturities of Long-term Debt [Abstract] Maturities of Long-term Debt [Abstract] Long-Term Debt, Maturity, Year Two 2028 Line of Credit Facility [Table] Line of Credit Facility [Table] Borrowing supported by a written promise to pay an obligation. Term Loan [Member] Term Loan Revolving Credit Facility [Member] Incremental Borrowing Facility Delayed Draw Term Loan (DDTL) [Member] Delayed Draw Capital Commitment Information pertaining to Morgan Stanley Bank, N.A. Morgan Stanley Bank [Member] Morgan Stanley Primary financial statement caption encompassing related party interest expense. Interest Expense - Related Party [Member] Interest expense - related party Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt Instrument, Face Amount Debt instrument, face amount Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Stock Repurchase Program, Authorized Amount Stock repurchase program, authorized amount Contractual interest rate for funds borrowed, under the debt agreement, to the extent any loan remains outstanding under an incremental facility available under the Safe Credit Facility. Debt Instrument, Interest Rate, Percentage To Extent Any Loan Remains Outstanding Under Incremental Facility Interest rate when any loan remains outstanding under an incremental facility available under the Safe Credit Facility Interest Expense, Debt Interest expense Debt Instrument, Term Debt instrument term Increase in the percentage points added to the reference rate to compute the variable rate on the debt instrument. Debt Instrument, Basis Spread on Variable Rate, Increase Increase in basis point spread on variable interest rate Line of Credit Facility, Remaining Borrowing Capacity Current borrowing capacity Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Debt Instrument, Variable Interest Rate, Type Represents floor rate of debt. Debt Instrument, Floor Rate Debt instrument floor rate Percentage of debt origination fees. Debt instrument origination fees Percentage of debt exit fees. Debt Instrument, Exit Fees Percentage Debt instrument exit fees Share Repurchase Program [Table] Share Repurchase Program [Line Items] Equity The percentage of common shares of beneficial interest distributed at Spin-off. Percentage of Common Shares of Beneficial Interest Distributed at Spinoff Percentage of common shares of beneficial interest distributed at Spin-off Pro rata number of shares issued for each outstanding share of iStar at Spin-off. Pro Rata Distribution, Common Shares Issued for Outstanding Shares at Spinoff Pro rata distribution of common shares issued for each outstanding share of iStar common share at Spin-off. The number of classes of common stock. Number Of Classes of Common Stock Number of classes of common stock Stock Repurchased and Retired During Period, Shares Shares repurchased and retired during period (in shares) Shares Acquired, Average Cost Per Share Average cost Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Net (income) loss from operations attributable to noncontrolling interests Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic Net income (loss) allocable to common shareholders Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Net Income (Loss) Available To Common Stockholders, Basic And Diluted Net Income (Loss) Available To Common Stockholders, Basic And Diluted [Abstract] Numerator for basic and diluted earnings per share: Net Income (Loss) Available to Common Stockholders, Basic Net income (loss) allocable to common shareholders - Basic Net Income (Loss) Available to Common Stockholders, Diluted Net income (loss) allocable to common shareholders - Diluted -- None. No documentation exists for this element. -- Denominator for Basic and Diluted Earnings Per Share or Hpu Share [Abstract] Denominator for basic and diluted earnings per share: Earnings Per Share, Basic [Abstract] Basic and diluted earnings per common share: Fair Value, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Measurement Frequency [Axis] Measurement Frequency [Domain] Recurring Basis Recurring Basis Non-recurring Basis Non-recurring Basis Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 Quoted market prices in active markets (Level 1) Fair Value, Inputs, Level 3 Significant unobservable inputs (Level 3) Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets and liabilities recorded at fair value Amount of available-for-sale debt securities measured at fair value sold or repaid during the period. Debt Securities, Available-for-Sale, Sold or Repaid During Period Repayments Amount of available-for-sale debt securities measured at fair value purchased during the period. Debt Securities, Available-for-Sale, Acquired During Period Purchases Debt Securities, Available-for-Sale, Unrealized Gain (Loss) Unrealized gain (loss) recorded in other comprehensive income (loss) Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Book and estimated fair values of financial instruments Loans Receivable, Fair Value Disclosure Loans receivable and other lending investments Cash and Cash Equivalents, Fair Value Disclosure Cash Restricted Cash, Fair Value Disclosure Restricted Cash, Fair Value Disclosure Restricted cash Debt Instrument, Fair Value Disclosure Debt obligations, net Number of Reportable Segments Number of reportable segments