Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest income
Loans	$ 806,296	$ 716,456	$ 479,910
Securities
Taxable	37,383	44,482	45,523
Tax-exempt	4,541	6,006	7,524
Other	39,557	30,375	8,853
Total interest income	887,777	797,319	541,810
Interest expense
Deposits	346,592	232,331	35,208
Borrowings	28,989	45,661	25,304
Total interest expense	375,581	277,992	60,512
Net interest income	512,196	519,327	481,298
Provision for credit losses on loans	11,248	18,793	23,788
(Recovery of) provision for credit losses on unfunded commitments	(1,975)	(3,200)	83
Provision for credit losses	9,273	15,593	23,871
Net interest income after provision for credit losses	502,923	503,734	457,427
Noninterest income
Service charges on deposit accounts	41,779	39,199	39,957
Fees and commissions	16,190	17,901	17,268
Insurance commissions	5,473	11,102	10,754
Wealth management revenue	23,559	22,132	22,339
Mortgage banking income	36,376	32,413	35,794
Gain on sale of insurance agency	53,349	0	0
Gain on debt extinguishment	56	620	0
Net losses on sales of securities	0	(22,438)	0
Impairment losses on securities	0	(19,352)	0
BOLI income	11,567	10,463	9,267
Other	15,311	21,035	13,874
Total noninterest income	203,660	113,075	149,253
Noninterest expense
Salaries and employee benefits	283,768	281,768	261,654
Data processing	16,030	15,195	14,900
Net occupancy and equipment	45,960	46,471	44,819
Other real estate owned	858	267	(453)
Professional fees	12,418	13,671	11,872
Advertising and public relations	16,210	14,726	14,325
Intangible amortization	4,691	5,380	5,122
Communications	8,379	8,238	7,958
Merger and conversion related expenses	13,349	0	1,787
Restructuring charges	0	0	732
Other	59,955	53,906	32,656
Total noninterest expense	461,618	439,622	395,372
Income before income taxes	244,965	177,187	211,308
Income taxes	49,508	32,509	45,240
Net income (loss)	$ 195,457	$ 144,678	$ 166,068
Basic earnings per share (usd per share)	$ 3.29	$ 2.58	$ 2.97
Diluted earnings per share (usd per share)	3.27	2.56	2.95
Cash dividends per common share (usd per share)	$ 0.88	$ 0.88	$ 0.88