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Borrowings - Summary of Repurchase Agreement Offsetting (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets Sold under Agreements to Repurchase [Line Items] |  |
Gross Amounts of Recognized Liabilities | $ 494,420 | $ 209,961
Gross Amounts Offset in the Statement of Financial Position | 0 | 0
Net Amounts of Liabilities Presented in the Statement of Financial Position | 494,420 | 209,961
Gross Amounts Not Offset in the Statement of Financial position, Financial Instruments | 494,420 | 209,961
Gross Amounts Not Offset in the Statement of Financial position, Cash Collateral Pledged | 0 | 0
Net Amount | 0 | 0
Market value pledged to repurchase agreements | 625,300 | 358,400
Agency MBS |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Market value pledged to repurchase agreements | 520,100 | 220,600
Excess collateral positions | $ 25,600 | $ 10,600

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