Borrowed Funds - Schedule of Long-Term Borrowings (Details) - Long-term borrowings - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
FHLB advances, net	$ 2,624,911	$ 1,690,013
Subordinated debt, net	639,619	638,362
Total long-term borrowings	3,264,530	2,328,375
Unamortized prepayment penalties and other purchase accounting adjustments	107	209
Deferred issuance costs	$ 4,400	$ 5,200