Borrowed Funds - Schedule of Long-Term Borrowings (Details) - Long-term borrowings - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
FHLB advances, net	$ 788,574	$ 789,033
Subordinated debt, net	752,523	634,643
Total long-term borrowings	1,541,097	1,423,676
Unamortized prepayment penalties and other purchase accounting adjustments	574	1,000
Deferred issuance costs	$ 7,300	$ 5,800