Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest income
Interest and fees on loans and leases	$ 52,797	$ 50,588	$ 100,903	$ 100,251
Interest and dividends on investment securities:
Taxable	2,738	1,399	5,103	2,702
Exempt from federal income taxes	14	48	29	135
Interest on deposits with other banks	824	46	1,181	102
Interest and dividends on other earning assets	344	360	699	708
Total interest income	56,717	52,441	107,915	103,898
Interest expense
Interest on deposits	3,586	3,159	6,477	6,559
Interest on short-term borrowings	11	3	13	5
Interest on long-term debt and subordinated notes	1,649	2,522	3,294	5,163
Total interest expense	5,246	5,684	9,784	11,727
Net interest income	51,471	46,757	98,131	92,171
Provision (reversal of provision) for credit losses	6,674	(59)	3,224	(11,342)
Net interest income after provision for credit losses	44,797	46,816	94,907	103,513
Disaggregation of Revenue [Line Items]
Insurance commission and fee income	4,629	3,839	10,199	8,794
Bank owned life insurance income	705	1,620	1,404	2,337
Net gain on sales of investment securities	0	54	30	119
Net gain on mortgage banking activities	1,230	3,461	3,159	9,399
Other income	741	479	1,469	1,849
Noninterest income	18,998	20,230	39,468	43,480
Noninterest expense
Salaries, benefits and commissions	29,133	25,396	57,378	50,176
Net occupancy	2,422	2,656	5,138	5,395
Equipment	977	968	1,959	1,914
Data processing	3,708	3,064	7,275	6,114
Professional fees	2,844	2,015	4,982	3,763
Marketing and advertising	693	561	1,118	841
Deposit insurance premiums	812	613	1,705	1,249
Intangible expenses	342	249	683	498
Other expense	6,440	5,764	12,545	10,876
Total noninterest expense	47,371	41,286	92,783	80,826
Income before income taxes	16,424	25,760	41,592	66,167
Income tax expense	3,258	4,885	8,109	12,689
Net income	$ 13,166	$ 20,875	$ 33,483	$ 53,478
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 0.45	$ 0.71	$ 1.14	$ 1.82
Diluted (in dollars per share)	$ 0.45	$ 0.71	$ 1.13	$ 1.81
Trust fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 1,998	$ 2,157	$ 4,100	$ 4,191
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Noninterest income	1,574	1,314	3,078	2,596
Investment advisory commission and fee income
Disaggregation of Revenue [Line Items]
Noninterest income	4,812	4,558	9,964	9,255
Other service fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 3,309	$ 2,748	$ 6,065	$ 4,940