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Agreements and Transactions with Related Parties - 2018 Activity (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2025 | Feb. 28, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2018
Agreements and Transactions with Related Parties |  |  |  |  |  |
Financing receivable, specific reserve |  |  | $ 1,000 | $ 5,200 |  |
Interest income |  |  | 235,047 | 240,693 |  |
Bridge loan, one multifamily property | Other Related Party Transactions | Related Party |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |
Financing receivable, specific reserve |  |  |  |  | $ 5,500 |
Bridge loans | Other Related Party Transactions | Related Party |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |
Principal amount | $ 67,900 |  |  |  |  |
Base spread, percentage | 2.50% |  |  |  |  |
SOFR floor, percentage | 2.50% |  |  |  |  |
Interest income |  |  | $ 1,100 |  |  |
Maturity date of February 2027 | Bridge loan, one multifamily property | Other Related Party Transactions | Related Party |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 21,700
Financing receivable modified, additional collateral |  | $ 3,000 |  |  |  |
Financing receivable, modified, future paydown |  | $ 2,500 |  |  |  |
Maturity date of February 2027 | Bridge loans | Other Related Party Transactions | Related Party |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |
Percentage of ownership interest of related party in the entity |  |  |  |  |  | 75.00%
Interest income |  |  |  | $ 500 |  |
Maturity date of February 2027 | Bridge loan, several multifamily properties | Other Related Party Transactions | Related Party |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |
Base spread, percentage |  |  |  |  |  | 4.75%
SOFR floor, percentage |  |  |  |  |  | 0.25%

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