CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance at Dec. 31, 2020	$ 113,384	$ 3,736		$ 208,371	$ 18,405		$ 343,896
Balance (in shares) at Dec. 31, 2020	15,388,423
Increase (Decrease) in Shareholders' Equity
Net income				22,786			22,786
Other comprehensive income (loss), net of tax					(3,008)		(3,008)
Exercise of stock options	$ 69	(15)					54
Exercise of stock options (in shares)	4,160
Stock based compensation expense		469					469
Stock based compensation expense (in shares)	18,180
Cash dividends				(6,468)			(6,468)
Balance at Jun. 30, 2021	$ 113,453	4,190		224,689	15,397		357,729
Balance (in shares) at Jun. 30, 2021	15,410,763
Balance at Mar. 31, 2021	$ 113,453	3,961		216,218	14,349		347,981
Balance (in shares) at Mar. 31, 2021	15,410,763
Increase (Decrease) in Shareholders' Equity
Net income				11,708			11,708
Other comprehensive income (loss), net of tax					1,048		1,048
Stock based compensation - stock options		229					229
Cash dividends				(3,237)			(3,237)
Balance at Jun. 30, 2021	$ 113,453	4,190		224,689	15,397		357,729
Balance (in shares) at Jun. 30, 2021	15,410,763
Balance at Dec. 31, 2021	$ 113,007	3,910	$ (7,315)	234,410	11,167	$ (7,315)	362,494
Balance (in shares) at Dec. 31, 2021	15,270,010
Increase (Decrease) in Shareholders' Equity
Net income				16,611			16,611
Other comprehensive income (loss), net of tax					(61,611)		(61,611)
Stock options exercised; net of shares surrendered for cashless exercises	$ 54	(1)					53
Stock options exercised; net of shares surrendered for cashless exercises (in shares)	5,200
Restricted stock surrendered due to employee tax liability	$ (9)			(23)			(32)
Restricted stock surrendered due to employee tax liability (in shares)	(1,196)
Restricted stock forfeited / cancelled (in shares)	(660)
Stock based compensation - stock options		48					48
Stock based compensation - restricted stock		628					628
Stock repurchase	$ (1,325)			(3,526)			(4,851)
Stock repurchase (in shares)	(182,562)
Cash dividends				(6,978)			(6,978)
Balance at Jun. 30, 2022	$ 111,727	4,585		233,179	(50,444)		299,047
Balance (in shares) at Jun. 30, 2022	15,090,792
Balance at Mar. 31, 2022	$ 111,673	4,281		227,445	(17,708)		325,691
Balance (in shares) at Mar. 31, 2022	15,086,032
Increase (Decrease) in Shareholders' Equity
Net income				9,204			9,204
Other comprehensive income (loss), net of tax					(32,736)		(32,736)
Stock options exercised; net of shares surrendered for cashless exercises	$ 54	(1)					53
Stock options exercised; net of shares surrendered for cashless exercises (in shares)	5,200
Restricted stock forfeited / cancelled (in shares)	(440)
Stock based compensation - stock options		18					18
Stock based compensation - restricted stock		287					287
Cash dividends				(3,470)			(3,470)
Balance at Jun. 30, 2022	$ 111,727	$ 4,585		$ 233,179	$ (50,444)		$ 299,047
Balance (in shares) at Jun. 30, 2022	15,090,792