Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest income:
Loans	$ 187,845	$ 189,211	$ 369,757	$ 375,775
Debt securities:
Taxable	19,310	11,765	36,527	23,184
Nontaxable	7,814	5,798	14,933	11,563
Interest-earning deposits	3,368	4,389	8,492	7,958
Dividends on equity securities	630	481	1,038	887
Total interest income	218,967	211,644	430,747	419,367
Interest expense:
Deposits	59,979	66,374	119,245	130,847
Subordinated debentures and notes	2,737	2,684	5,299	5,168
FHLB advances	1,801	561	2,088	1,590
Other borrowings	1,688	1,496	3,837	3,505
Total interest expense	66,205	71,115	130,469	141,110
Net interest income	152,762	140,529	300,278	278,257
Provision for credit losses	3,470	4,819	8,654	10,575
Net interest income after provision for credit losses	149,292	135,710	291,624	267,682
Noninterest income:
Total noninterest income	20,604	15,494	39,087	27,652
Noninterest expense:
Employee compensation and benefits	50,164	44,524	98,372	89,786
Deposit costs	24,765	21,706	48,588	41,983
Occupancy	5,065	4,197	9,495	8,523
Data processing	4,713	5,339	9,522	9,678
Professional fees	2,029	1,298	3,757	2,733
Other expense	18,966	16,953	35,751	34,815
Total noninterest expense	105,702	94,017	205,485	187,518
Income before income tax expense	64,194	57,187	125,226	107,816
Income tax expense	12,810	11,741	23,881	21,969
Net income	51,384	45,446	101,345	85,847
Dividends on preferred stock	937	937	1,875	1,875
Net income available to common stockholders	$ 50,447	$ 44,509	$ 99,470	$ 83,972
Earnings per common share
Basic (usd per share)	$ 1.36	$ 1.19	$ 2.69	$ 2.24
Diluted (usd per share)	$ 1.36	$ 1.19	$ 2.67	$ 2.24
Deposit service charges
Noninterest income:
Total noninterest income	$ 4,940	$ 4,542	$ 9,360	$ 8,965
Wealth management revenue
Noninterest income:
Total noninterest income	2,584	2,590	5,243	5,134
Card services revenue
Noninterest income:
Total noninterest income	2,444	2,497	4,839	4,909
Tax credit income (loss)
Noninterest income:
Total noninterest income	2,207	1,874	4,817	(316)
Other income
Noninterest income:
Total noninterest income	$ 8,429	$ 3,991	$ 14,828	$ 8,960