CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income
Interest and fees on loans	$ 426,422	$ 385,848	$ 287,477
Interest and dividends on investment securities:
Taxable interest income	72,794	80,316	66,140
Non-taxable interest income	1,176	2,678	3,272
Dividend income on bank stock	848	1,170	190
Other interest income	22,441	10,531	3,097
Total interest income	523,681	480,543	360,176
Interest expense
Deposits	178,463	123,985	16,112
Federal funds purchased and securities sold under agreements to repurchase	4,308	5,203	1,475
Short-term borrowings	701	12,775	1,647
Long-term debt	300	1,700	1,310
Senior notes	0	0	637
Subordinated notes	12,650	12,406	12,338
Junior subordinated debt owed to unconsolidated trusts	4,648	3,853	3,029
Total interest expense	201,070	159,922	36,548
Net interest income	322,611	320,621	323,628
Provision for credit losses	8,590	2,399	4,623
Net interest income after provision for credit losses	314,021	318,222	319,005
Noninterest income
Mortgage revenue	2,075	1,089	1,895
Income on bank owned life insurance	5,130	4,701	3,663
Realized net gains (losses) on the sale of mortgage servicing rights	7,724	0	0
Realized net gains (losses) on securities	(7,033)	(28)	50
Unrealized net gains (losses) recognized on equity securities	931	(2,171)	(2,183)
Other noninterest income	14,309	10,078	14,632
Total noninterest income	139,682	121,214	126,613
Noninterest expense
Salaries, wages, and employee benefits	175,619	162,597	159,016
Data processing	27,124	23,708	21,648
Net occupancy expense of premises	18,737	18,214	19,130
Furniture and equipment expenses	6,805	6,759	7,645
Professional fees	12,804	7,147	6,125
Amortization of intangible assets	10,057	10,432	11,628
Interchange expense	6,001	6,864	6,298
FDIC insurance	5,603	5,650	4,058
Other noninterest expense	37,649	44,161	48,333
Total noninterest expense	300,399	285,532	283,881
Income before income taxes	153,304	153,904	161,737
Income taxes	39,613	31,339	33,426
Net income	$ 113,691	$ 122,565	$ 128,311
Basic earnings per common share (in dollars per share)	$ 2.01	$ 2.21	$ 2.32
Diluted earnings per common share (in dollars per share)	1.98	2.18	2.29
Dividends declared per share of common stock (in dollars per share)	$ 0.96	$ 0.96	$ 0.92
Wealth management fees
Noninterest income
Noninterest income	$ 63,630	$ 57,309	$ 55,378
Fees for customer services
Noninterest income
Noninterest income	30,933	29,044	33,111
Payment technology solutions
Noninterest income
Noninterest income	$ 21,983	$ 21,192	$ 20,067