Fair Value Measurements - Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Balance sheet assets
Securities held-to-maturity, net	$ 541,597	$ 430,295
Carrying Amount
Balance sheet assets
Securities held-to-maturity, net	541,039	429,681
Other investments	57,601	56,884
Loans held for sale	4,270	6,389
Loans, net	8,916,861	8,872,601
State tax credits held for sale	34,954	27,994
Servicing asset	6,066	6,714
Balance sheet liabilities
Certificates of deposit	597,475	608,293
Subordinated debentures and notes	155,031	154,899
FHLB advances	50,000	50,000
Other borrowings and notes payable	228,846	353,863
Estimated fair value
Balance sheet assets
Securities held-to-maturity, net	493,342	434,672
Other investments	57,601	56,884
Loans held for sale	4,270	6,389
Loans, net	8,908,849	8,869,891
State tax credits held for sale	34,212	30,686
Servicing asset	6,066	6,714
Balance sheet liabilities
Certificates of deposit	587,009	606,177
Subordinated debentures and notes	155,408	155,972
FHLB advances	48,627	51,527
Other borrowings and notes payable	$ 228,846	$ 353,863