Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income
Interest and fees on loans and leases	$ 48,106	$ 49,663
Interest and dividends on investment securities:
Taxable	2,365	1,303
Exempt from federal income taxes	15	87
Interest on deposits with other banks	357	56
Interest and dividends on other earning assets	355	348
Total interest income	51,198	51,457
Interest expense
Interest on deposits	2,891	3,400
Interest on short-term borrowings	2	2
Interest on long-term debt and subordinated notes	1,645	2,641
Total interest expense	4,538	6,043
Net interest income	46,660	45,414
Reversal of provision for credit losses	(3,450)	(11,283)
Net interest income after provision for credit losses	50,110	56,697
Disaggregation of Revenue [Line Items]
Insurance commission and fee income	5,570	4,955
Bank owned life insurance income	699	717
Net gain on sales of investment securities	30	65
Net gain on mortgage banking activities	1,929	5,938
Other income	728	1,370
Noninterest income	20,470	23,250
Noninterest expense
Salaries, benefits and commissions	28,245	24,780
Net occupancy	2,716	2,739
Equipment	982	946
Data processing	3,567	3,050
Professional fees	2,138	1,748
Marketing and advertising	425	280
Deposit insurance premiums	893	636
Intangible expenses	341	249
Other expense	6,105	5,112
Total noninterest expense	45,412	39,540
Income (loss) before tax amount	25,168	40,407
Income tax expense	4,851	7,804
Net income	$ 20,317	$ 32,603
Net income per share:
Basic (in dollars per share)	$ 0.69	$ 1.11
Diluted (in dollars per share)	$ 0.68	$ 1.11
Trust fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 2,102	$ 2,034
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Noninterest income	1,504	1,282
Investment advisory commission and fee income
Disaggregation of Revenue [Line Items]
Noninterest income	5,152	4,697
Other service fee income
Disaggregation of Revenue [Line Items]
Noninterest income	$ 2,756	$ 2,192