Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest, fee and dividend income
Interest and fees on loans	$ 332,768	$ 302,175	$ 307,859
Securities available for sale	29,653	23,305	22,434
Securities held to maturity	17,582	12,551	15,283
Other	4,067	1,845	2,706
Total interest, fee and dividend income	384,070	339,876	348,282
Interest expense
Deposits	9,923	10,714	22,070
Short-term borrowings	2,623	158	3,408
Long-term debt	161	389	1,553
Subordinated debt	5,424	5,437	2,842
Junior subordinated debt	3,749	2,090	2,731
Total interest expense	21,880	18,788	32,604
Net interest income	362,190	321,088	315,678
Provision for loan losses	17,147	(8,257)	51,134
Net interest income after provision for loan losses	345,043	329,345	264,544
Noninterest income
Service charges on deposit accounts	14,630	13,348	13,201
Card services income	29,058	34,682	28,611
Retirement plan administration fees	48,112	42,188	35,851
Wealth management	33,311	33,718	29,247
Insurance services	14,696	14,083	14,757
Bank owned life insurance income	6,044	6,217	5,743
Net securities (losses) gains	(1,131)	566	(388)
Other	10,858	12,992	19,254
Total noninterest income	155,578	157,794	146,276
Noninterest expense
Salaries and employee benefits	187,830	172,580	161,934
Technology and data services	35,712	34,717	32,294
Occupancy	26,282	26,048	25,756
Professional fees and outside services	16,810	16,306	15,082
Office supplies and postage	6,140	6,006	6,138
FDIC expense	3,197	3,041	2,688
Advertising	2,822	2,521	2,288
Amortization of intangible assets	2,263	2,808	3,395
Loan collection and other real estate owned, net	2,647	2,915	3,295
Merger expenses	967	0	0
Other	19,795	20,339	24,863
Total noninterest expense	304,465	287,281	277,733
Income before income tax expense	196,156	199,858	133,087
Income tax expense	44,161	44,973	28,699
Net income	$ 151,995	$ 154,885	$ 104,388
Earnings per share
Basic (in dollars per share)	$ 3.54	$ 3.57	$ 2.39
Diluted (in dollars per share)	$ 3.52	$ 3.54	$ 2.37