Borrowings - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument
Repurchase liability	$ 77,521	$ 39,001
Other short-term borrowings	675,000	650,000
FHLB advances maximum amount available	4,900,000	4,800,000
FHLB advances and letters of credit amount used	800,000	800,000
Federal Home Loan Bank
Debt Instrument
Other short-term borrowings	675,000	650,000
FRB Advances
Debt Instrument
Available borrowing facility	$ 11,900,000	$ 12,100,000