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Borrowings - Schedule of Maximum Borrowing Capacity (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total maximum borrowing capacity with the FHLB	$ 3,562,171	$ 3,474,347
Total maximum borrowing capacity with the FRB	4,357,519	3,436,000
Loans and leases receivable	13,127,634	11,963,855
Qualifying Assets Pledged as Collateral
Debt Instrument [Line Items]
Loans and leases receivable	$ 9,722,736	$ 8,575,137

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