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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