Fair Value Measurements - Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance sheet assets
Securities held-to-maturity, net	$ 730,655	$ 709,915
Carrying Amount
Balance sheet assets
Securities held-to-maturity, net	730,655	709,915
Other investments	59,123	61,123
Loans held for sale	212	1,228
Loans, net	10,474,687	9,600,206
State tax credits held for sale	26,765	27,700
Servicing asset	3,202	3,648
Balance sheet liabilities
Certificates of deposit	1,470,678	530,708
Subordinated debentures and notes	155,844	155,433
FHLB advances	0	100,000
Other borrowings	182,372	324,119
Estimated fair value
Balance sheet assets
Securities held-to-maturity, net	622,660	628,517
Other investments	59,123	61,123
Loans held for sale	212	1,228
Loans, net	10,244,122	9,328,844
State tax credits held for sale	27,529	28,880
Servicing asset	4,058	3,905
Balance sheet liabilities
Certificates of deposit	1,456,118	512,229
Subordinated debentures and notes	153,975	152,679
FHLB advances	0	100,004
Other borrowings	$ 157,173	$ 324,119