Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income:
Loans	$ 96,123	$ 76,973
Debt securities:
Taxable	5,351	4,540
Nontaxable	3,942	3,079
Interest-earning deposits	817	189
Dividends on equity securities	348	179
Total interest income	106,581	84,960
Interest expense:
Deposits	2,859	2,663
Subordinated debentures and notes	2,220	2,819
FHLB advances	195	195
Other borrowings	142	160
Total interest expense	5,416	5,837
Net interest income	101,165	79,123
Provision (benefit) for credit losses	(4,068)	46
Net interest income after provision for credit losses	105,233	79,077
Noninterest income:
Total noninterest income	18,641	11,290
Noninterest expense:
Employee compensation and benefits	35,827	29,562
Occupancy	4,586	3,751
Data processing	3,260	2,890
Professional fees	1,177	988
Merger-related expenses	0	3,142
Other expense	17,950	12,551
Total noninterest expense	62,800	52,884
Income before income tax expense	61,074	37,483
Income tax expense	13,381	7,557
Net income	47,693	29,926
Dividends on preferred stock	1,229	0
Net income available to common shareholders	$ 46,464	$ 29,926
Earnings per common share
Basic (usd per share)	$ 1.23	$ 0.96
Diluted (usd per share)	$ 1.23	$ 0.96
Deposit service charges
Noninterest income:
Total noninterest income	$ 4,163	$ 3,084
Wealth management revenue
Noninterest income:
Total noninterest income	2,622	2,483
Card services revenue
Noninterest income:
Total noninterest income	3,040	2,496
Tax credit income (expense)
Noninterest income:
Total noninterest income	2,608	(1,041)
Other income
Noninterest income:
Total noninterest income	$ 6,208	$ 4,268