Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income:
Loans	$ 152,606	$ 96,123
Debt securities:
Taxable	9,286	5,351
Nontaxable	5,597	3,942
Interest-earning deposits	1,195	817
Dividends on equity securities	349	348
Total interest income	169,033	106,581
Interest expense:
Deposits	24,661	2,859
Subordinated debentures and notes	2,409	2,220
FHLB advances	1,332	195
Other borrowings	1,102	142
Total interest expense	29,504	5,416
Net interest income	139,529	101,165
Provision (benefit) for credit losses	4,183	(4,068)
Net interest income after provision (benefit) for credit losses	135,346	105,233
Noninterest income:
Total noninterest income	16,898	18,641
Noninterest expense:
Employee compensation and benefits	42,503	35,827
Occupancy	4,061	4,586
Data processing	3,710	3,260
Professional fees	1,631	1,177
Other expense	29,078	17,950
Total noninterest expense	80,983	62,800
Income before income tax expense	71,261	61,074
Income tax expense	15,523	13,381
Net income	55,738	47,693
Dividends on preferred stock	938	1,229
Net income available to common shareholders	$ 54,800	$ 46,464
Earnings per common share
Basic (usd per share)	$ 1.47	$ 1.23
Diluted (usd per share)	$ 1.46	$ 1.23
Deposit service charges
Noninterest income:
Total noninterest income	$ 4,128	$ 4,163
Wealth management revenue
Noninterest income:
Total noninterest income	2,516	2,622
Card services revenue
Noninterest income:
Total noninterest income	2,338	3,040
Tax credit income
Noninterest income:
Total noninterest income	1,813	2,608
Other income
Noninterest income:
Total noninterest income	$ 6,103	$ 6,208