Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest and Loan Fee Income:
Loans	$ 12,208	$ 14,789	$ 37,481	$ 44,434
Equity securities	127	109	384	329
Debt securities available for sale	39,100	26,452	99,430	77,822
Debt securities held to maturity	6,625	2,091	10,040	7,051
Interest-bearing cash	2,742	369	5,223	766
Total Interest and Loan Fee Income	60,802	43,810	152,558	130,402
Interest Expense:
Deposits	470	473	1,383	1,398
Short-term borrowed funds	17	19	67	53
Total Interest Expense	487	492	1,450	1,451
Net Interest and Loan Fee Income	60,315	43,318	151,108	128,951
Provision for Credit Losses	0	0	0	0
Net Interest and Loan Fee Income After Provision for Credit Losses	60,315	43,318	151,108	128,951
Noninterest Income:
Life insurance gains	923	0	923	0
Securities gains	0	0	0	34
Other noninterest income	693	823	1,950	2,268
Total Noninterest Income	11,818	11,282	34,658	32,503
Noninterest Expense:
Salaries and related benefits	11,311	11,813	34,643	36,575
Occupancy and equipment	5,064	4,759	14,666	14,447
Outsourced data processing services	2,434	2,429	7,294	7,244
Investment loss included in pre-tax income	1,431	620	4,293	1,820
Professional fees	582	724	2,054	2,496
Courier service	671	534	1,914	1,605
Other noninterest expense	3,274	3,818	9,407	9,707
Total Noninterest Expense	24,767	24,697	74,271	73,894
Income Before Income Taxes	47,366	29,903	111,495	87,560
Provision for income taxes	12,606	7,840	28,805	22,771
Net Income	$ 34,760	$ 22,063	$ 82,690	$ 64,789
Average Common Shares Outstanding (in shares)	26,906	26,866	26,889	26,851
Average Diluted Common Shares Outstanding (in shares)	26,916	26,875	26,901	26,868
Per Common Share Data:
Basic earnings (in dollars per share)	$ 1.29	$ 0.82	$ 3.08	$ 2.41
Diluted earnings (in dollars per share)	1.29	0.82	3.07	2.41
Dividends paid (in dollars per share)	$ 0.42	$ 0.41	$ 1.26	$ 1.23
Deposit Account [Member]
Noninterest Income:
Noninterest income revenue	$ 3,737	$ 3,578	$ 11,006	$ 10,117
Credit Card, Merchant Discount [Member]
Noninterest Income:
Noninterest income revenue	2,925	3,159	8,922	8,998
Debit Card [Member]
Noninterest Income:
Noninterest income revenue	1,594	1,740	6,175	5,132
Fiduciary and Trust [Member]
Noninterest Income:
Noninterest income revenue	810	839	2,462	2,467
ATM Processing Fees [Member]
Noninterest Income:
Noninterest income revenue	594	573	1,514	1,792
Financial Service, Other [Member]
Noninterest Income:
Noninterest income revenue	463	475	1,392	1,435
Financial Services Commission [Member]
Noninterest Income:
Noninterest income revenue	$ 79	$ 95	$ 314	$ 260