Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income
Interest and fees on loans and leases	$ 90,974	$ 63,162	$ 254,949	$ 164,065
Interest and dividends on investment securities:
Taxable	3,540	3,013	10,547	8,116
Exempt from federal income taxes	15	15	44	44
Interest on deposits with other banks	1,865	252	2,856	1,433
Interest and dividends on other earning assets	712	435	2,102	1,134
Total interest income	97,106	66,877	270,498	174,792
Interest expense
Interest on deposits	37,082	6,451	82,885	12,928
Interest on short-term borrowings	1,117	524	7,094	537
Interest on long-term debt and subordinated notes	5,317	1,652	13,282	4,946
Total interest expense	43,516	8,627	103,261	18,411
Net interest income	53,590	58,250	167,237	156,381
Provision for credit losses	2,024	3,558	8,839	6,782
Net interest income after provision for credit losses	51,566	54,692	158,398	149,599
Disaggregation of Revenue [Line Items]
Insurance commission and fee income	4,852	4,442	16,447	14,641
Bank owned life insurance income	806	1,153	2,362	2,557
Net gain on sales of investment securities	0	0	0	30
Net gain on mortgage banking activities	1,216	817	2,880	3,976
Other income	228	867	1,921	2,336
Noninterest income	18,691	17,959	58,204	57,427
Noninterest expense
Salaries, benefits and commissions	29,978	29,400	90,867	86,778
Net occupancy	2,594	2,504	7,935	7,642
Equipment	1,087	968	3,066	2,927
Data processing	4,189	3,901	12,355	11,176
Professional fees	1,763	2,521	5,373	7,503
Marketing and advertising	555	605	1,548	1,723
Deposit insurance premiums	1,258	662	3,475	2,367
Intangible expenses	220	309	726	992
Restructuring charges	0	0	1,330	0
Other expense	7,344	5,795	21,641	18,340
Total noninterest expense	48,988	46,665	148,316	139,448
Income before income taxes	21,269	25,986	68,286	67,578
Income tax expense	4,253	5,185	13,436	13,294
Net income	$ 17,016	$ 20,801	$ 54,850	$ 54,284
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 0.58	$ 0.71	$ 1.86	$ 1.85
Diluted (in dollars per share)	$ 0.58	$ 0.71	$ 1.86	$ 1.84
Trust fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 1,910	$ 1,835	$ 5,789	$ 5,935
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Noninterest income	1,816	1,522	5,088	4,600
Investment advisory commission and fee income
Disaggregation of Revenue [Line Items]
Noninterest income	4,843	4,199	14,303	14,163
Other service fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 3,020	$ 3,124	$ 9,414	$ 9,189