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Debt and Preferred Equity Investments - Schedule of Roll Forward of our Total Allowance for Loan Losses (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) loan | Mar. 31, 2025 USD ($) | Jun. 30, 2025 USD ($) loan | Dec. 31, 2024 USD ($)
Loan loss reserve activity |  |  |  |
Balance at beginning of year |  | $ 13,520 | $ 13,520 | $ 13,520
Loan loss and other investment reserves, net of recoveries |  |  | 300 | 0
Initial allowance for credit losses on loans purchased with credit deterioration ("PCD") | $ 66,000 | 99,000 | 165,037 | 0
Write-offs charged against the allowance |  | (24,000) | (40,779) | 0
Current period recoveries | (46,600) | $ (25,000) | (71,626) | 0
Balance at end of period | 66,452 |  | 66,452 | 13,520
Commercial mortgage investment (in Percent) |  | 100.00% |  |
Loan modification amount |  | $ 10,000 |  |
Additional amount of financing receivables included in other assets | 31,500 |  | $ 31,500 |
Nonaccrual allowance writeoff | $ 13,400 |  |  |
Number of financing receivables on non-accrual without allowance for loan loss | loan | 1 |  | 1 |
Debt and preferred equity investments | $ 315,684 |  | $ 315,684 | 303,726
Joint venture |  |  |  |
Loan loss reserve activity |  |  |  |
Initial allowance for credit losses on loans purchased with credit deterioration ("PCD") | 132,000 |  |  |
Additional amount of financing receivables included in other assets | 63,000 |  | 63,000 |
Total floating rate |  |  |  |
Loan loss reserve activity |  |  |  |
Debt and preferred equity investments | 130,398 |  | 130,398 | $ 117,160
Alternative Strategy Portfolio | Total floating rate |  |  |  |
Loan loss reserve activity |  |  |  |
Debt and preferred equity investments | $ 53,500 |  | $ 53,500 |

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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