Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest income:
Loans	$ 189,211	$ 170,159	$ 375,775	$ 322,765
Debt securities:
Taxable	11,765	9,619	23,184	18,905
Nontaxable	5,798	5,659	11,563	11,256
Interest-earning deposits	4,389	2,095	7,958	3,290
Dividends on equity securities	481	365	887	714
Total interest income	211,644	187,897	419,367	356,930
Interest expense:
Deposits	66,374	41,372	130,847	66,033
Subordinated debentures and notes	2,684	2,431	5,168	4,840
FHLB advances	561	1,279	1,590	2,611
Other borrowings	1,496	2,123	3,505	3,225
Total interest expense	71,115	47,205	141,110	76,709
Net interest income	140,529	140,692	278,257	280,221
Provision for credit losses	4,819	6,339	10,575	10,522
Net interest income after provision for credit losses	135,710	134,353	267,682	269,699
Noninterest income:
Total noninterest income	15,494	14,290	27,652	31,188
Noninterest expense:
Employee compensation and benefits	44,524	41,641	89,786	84,144
Deposit costs	21,706	16,980	41,983	29,700
Occupancy	4,197	3,954	8,523	8,015
Data processing	5,339	3,661	9,678	7,371
Professional fees	1,298	1,566	2,733	3,197
Other expense	16,953	18,154	34,815	34,512
Total noninterest expense	94,017	85,956	187,518	166,939
Income before income tax expense	57,187	62,687	107,816	133,948
Income tax expense	11,741	13,560	21,969	29,083
Net income	45,446	49,127	85,847	104,865
Dividends on preferred stock	937	937	1,875	1,875
Net income available to common shareholders	$ 44,509	$ 48,190	$ 83,972	$ 102,990
Earnings per common share
Basic (usd per share)	$ 1.19	$ 1.29	$ 2.24	$ 2.76
Diluted (usd per share)	$ 1.19	$ 1.29	$ 2.24	$ 2.75
Deposit service charges
Noninterest income:
Total noninterest income	$ 4,542	$ 3,910	$ 8,965	$ 8,038
Wealth management revenue
Noninterest income:
Total noninterest income	2,590	2,472	5,134	4,988
Card services revenue
Noninterest income:
Total noninterest income	2,497	2,464	4,909	4,802
Tax credit income (loss)
Noninterest income:
Total noninterest income	1,874	368	(316)	2,181
Other income
Noninterest income:
Total noninterest income	$ 3,991	$ 5,076	$ 8,960	$ 11,179