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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 22, 2025 | Jun. 28, 2018 | Nov. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total damages including punitive |  | $ 70,000 |  |  |
Unfunded loan commitments |  |  |  | $ 1,018,901 | $ 840,627
Massachusetts Healthcare |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Settlement agreement amount, received from common wealth |  |  | $ 21,900 |  |
Massachusetts Healthcare | Subsequent Event |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Settlement agreement, compensation amount | $ 44,000 |  |  |  |
ARI | Massachusetts Healthcare |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Settlement agreement amount, received from common wealth |  |  | $ 9,000 |  |
ARI | Massachusetts Healthcare | Subsequent Event |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Settlement agreement, compensation amount | $ 18,100 |  |  |  |
Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Unfunded loan commitments |  |  |  | $ 1,000,000 |
Term of unfunded loan commitment |  |  |  | 4 years 4 months 24 days |

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