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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2023 USD ($) item | Mar. 31, 2023 item | Dec. 31, 2023 USD ($) item class | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Merger |  |  |  |  |
Number of classes of common stock | class |  |  | 1 |  |
Stock-based compensation |  |  |  |  |
Award vesting period |  | 4 years |  |  |
Income taxes |  |  |  |  |
Number of Taxable REIT Subsidiaries | item |  |  | 2 |  |
Current income tax expense |  |  | $ 3,100 |  |
Deferred income tax expense |  |  | 1,300 |  |
Income Taxes Paid |  |  | $ 5,400 | $ 500 | $ 100
Loan receivable |  |  |  |  |
Financing Receivable, Practical Expedient, Accrued Interest Exclusion |  |  | true |  |
Operating leases |  |  |  |  |
Operating lease income |  |  | $ 71,287 | 66,817 | 67,667
Goodwill |  |  |  |  |
Impairment of goodwill |  |  | 145,365 |  |
Carrying value of reporting unit |  |  | 2,400,000 |  |
Deferred expenses and other assets, net |  |  |  |  |
Loan receivable |  |  |  |  |
Accrued interest on loans receivable |  |  | 100 |  |
Percentage Rent |  |  |  |  |
Operating leases |  |  |  |  |
Operating lease income |  |  | $ 4,400 | $ 1,300 | $ 300
Facility |  |  |  |  |
Management fees |  |  |  |  |
Facilities useful life |  |  | 40 years |  |
Star Holdings |  |  |  |  |
Loan receivable |  |  |  |  |
Term on loan | 4 years |  |  |  |
Star Holdings | Affiliated entity |  |  |  |  |
Loan receivable |  |  |  |  |
Term on loan | 4 years |  |  |  |
Management fees |  |  |  |  |
Annual management fee - Year 1 | $ 25,000 |  |  |  |
Annual management fee - Year 2 | 15,000 |  |  |  |
Annual management fee - Year 3 | 10,000 |  |  |  |
Annual management fee - Year 4 | $ 5,000 |  |  |  |
Annual management fee percent of gross book value, year five and thereafter | 2.00% |  |  |  |
Management agreement initial term | 3 years |  |  |  |
Total transaction price of management fee contract | $ 50,000 |  |  |  |
iStar Merger |  |  |  |  |
Equity investments |  |  |  |  |
Number of equity investments acquired | item | 2 | 2 |  |  |
Goodwill |  |  |  |  |
Impairment of goodwill |  |  | $ 145,365 |  |

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