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Other Investments (Schedule of Other Investments) (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Carrying value |  | $ 240,986 |  | $ 240,986 |  |  | $ 587,138
Other investments | [1] | 240,986 |  | 240,986 |  |  | 587,138
Earnings from equity method investments |  | 217 | $ 28,993 | 30,433 | $ 50,502 |  |
Unrealized loss on equity investment |  | 80,189 |  | 247,121 |  |  |
Safehold Inc. |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Carrying value |  | $ 240,703 |  | 240,703 |  |  | $ 554,733
Earnings from equity method investments |  |  | 16,052 | $ 1,089 | 27,956 |  |
Number of shares owned (in shares) |  | 13.5 |  | 13.5 |  |  |
Closing price (in dollars per share) |  | $ 17.80 |  | $ 17.80 |  |  |
Market value |  | $ 240,700 |  | $ 240,700 |  |  |
Unrealized loss on equity investment |  | 80,200 |  | 247,100 |  |  |
Dilution gain |  |  |  |  | 300 |  |
Shares of SAFE allocated from iStar |  |  |  |  |  |  | 15.2
Reduction to allocated shares of affiliate based on final terms of Spin-Off |  |  |  |  |  | 1.8 |
Carrying value of the adjusted shares of SAFE allocated per final terms of Spin-Off agreement |  |  |  |  |  | $ 65,600 |
Other real estate and strategic equity investments |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Carrying value |  | 283 |  | 283 |  |  | $ 32,405
Earnings from equity method investments |  | $ 217 | $ 12,941 | $ 29,344 | 22,546 |  |
Equity method investment earnings from settlement of interest on a venture |  |  |  |  | 5,000 |  |
Multi-family property sold |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Earnings from equity method investments |  |  |  |  | $ 11,500 |  |
[1] | Refer to Note 2 for details on the Company’s combined and consolidated variable interest entities (“VIEs”).

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