Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest Income
Loans, including fees	$ 89,907	$ 78,133	$ 86,425
Taxable	23,260	13,001	7,798
Exempt from federal income taxes	848	925	949
Other	1,562	598	930
Total interest income	115,577	92,657	96,102
Interest Expense
Deposits	9,169	3,661	8,843
Short-term borrowings	4,339
Long-term debt	2,340	1,897	3,413
Total interest expense	15,848	5,558	12,256
Net interest income	99,729	87,099	83,846
Provision for loan losses		(3,500)	10,900
Net interest income after provision for loan losses	99,729	90,599	72,946
Noninterest Income
Mortgage banking	16,921	48,502	61,641
Net gains (losses) on investment securities		125	2,737
Other	4,863	4,604	5,177
Total noninterest income	111,223	147,387	149,371
Noninterest Expense
Compensation	80,656	93,386	89,206
Employee taxes and benefits	21,915	22,033	20,050
Occupancy and equipment expense	7,605	8,148	10,058
Business services, software and technology expense	19,487	20,486	19,135
Intangible amortization expense	4,754	4,380	3,961
Professional fees and assessments	8,367	6,292	4,834
Marketing and business development	3,254	3,182	3,133
Supplies and postage	2,440	2,361	2,174
Travel	1,182	442	359
Mortgage and lending expenses	2,183	4,250	5,707
Other	6,927	3,949	5,182
Total noninterest expense	158,770	168,909	163,799
Income before income taxes	52,182	69,077	58,518
Income tax expense	12,177	16,396	13,843
Net income	$ 40,005	$ 52,681	$ 44,675
Per Common Share Data
Basic earnings per common share	$ 2.12	$ 3.02	$ 2.57
Diluted earnings per common share	2.10	2.97	2.52
Dividends declared per common share	$ 0.70	$ 0.63	$ 0.60
Average common shares outstanding	18,640	17,189	17,106
Diluted average common shares outstanding	18,884	17,486	17,438
Retirement and Benefit Services
Noninterest Income
Revenue	$ 67,135	$ 71,709	$ 60,956
Wealth Management
Noninterest Income
Revenue	20,870	21,052	17,451
Deposit Account
Noninterest Income
Revenue	$ 1,434	$ 1,395	$ 1,409