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Subsequent Events - Additional Information (Details) $ in Thousands, £ in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 24, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Apr. 24, 2025 GBP (£) | Dec. 31, 2024 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Payment for commercial mortgage loans |  | $ 460,452 | $ 0 |  |
Mortgage loans on real estate, commercial and consumer, net |  | 7,687,086 |  |  | $ 7,104,156
Additional payment for commercial mortgage loans |  | $ 59,225 | $ 308,032 |  |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Payment for commercial mortgage loans | $ 309,500 |  |  |  |
Mortgage loans on real estate, commercial and consumer, net | 684,100 |  |  |  |
Additional payment for commercial mortgage loans | 709,200 |  |  |  |
Proceeds from loan repayments | 34,300 |  |  |  |
Maximum amount of borrowings | 690,200,000 |  |  |  |
Subsequent Event | Floating-Rate Mortgage Loan | Self-Storage Portfolio | UNITED STATES |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, net | 250,000 |  |  |  |
Mortgage loans on real estate, commercial and consumer, funded, net | 238,200 |  |  |  |
Subsequent Event | Floating-Rate Mortgage Loan | Multifamily Property | Jersey City, NJ |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, net | 150,000 |  |  |  |
Mortgage loans on real estate, commercial and consumer, funded, net | 136,700 |  |  |  |
Subsequent Event | Floating-Rate Mortgage Loan | Data Centres | Slough, UK |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, net | 155,200 |  |  | £ 117.0 |
Subsequent Event | First Mortgage | Floating-Rate Mortgage Loan | Senior Housing Portfolio | Los Angeles |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage loans on real estate, commercial and consumer, net | $ 154,000 |  |  |  |

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