Consolidated Statements of Changes in Stockholders’ Equity - USD ($) $ in Thousands	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning balance at Dec. 31, 2020	$ 824	$ 95,388	$ 93,796	$ (342)	$ 5,119	$ 194,785
Beginning balance, shares at Dec. 31, 2020	8,236,331			10,263
Net Income			11,296			11,296
Other comprehensive loss					(1,558)	(1,558)
Cash dividends declared			(4,274)			(4,274)
Acquisition of treasury stock, shares				7,405
Acquisition of treasury stock				$ (194)		(194)
Compensation expense related to restricted stock		287		$ (120)		167
Stock options exercised	$ 1	169				170
Stock options exercised, shares	8,970
Compensation expense related to stock options		107				107
Compensation expense related to stock options, shares				3,900
Ending balance, shares at Jun. 30, 2021	8,245,301			21,568
Ending balance at Jun. 30, 2021	$ 825	95,951	100,818	$ (656)	3,561	200,499
Beginning balance at Mar. 31, 2021	$ 824	95,717	97,201	$ (656)	2,021	195,107
Beginning balance, shares at Mar. 31, 2021	8,240,081			21,568
Net Income			5,755			5,755
Other comprehensive loss					1,540	1,540
Cash dividends declared			(2,138)			(2,138)
Compensation expense related to restricted stock		84				84
Stock options exercised	$ 1	97				98
Stock options exercised, shares	5,220
Compensation expense related to stock options		53				53
Ending balance, shares at Jun. 30, 2021	8,245,301			21,568
Ending balance at Jun. 30, 2021	$ 825	95,951	100,818	$ (656)	3,561	200,499
Beginning balance at Dec. 31, 2021	$ 827	96,443	110,015	$ (1,767)	(256)	205,262
Beginning balance, shares at Dec. 31, 2021	8,266,751			65,328
Net Income			13,983			13,983
Other comprehensive loss					(39,974)	(39,974)
Cash dividends declared			(4,584)			(4,584)
Acquisition of treasury stock, shares				47,981
Acquisition of treasury stock				$ (1,252)		(1,252)
Compensation expense related to restricted stock, shares	7,500
Compensation expense related to restricted stock	$ 1	170				171
Stock options exercised		5		$ 86		$ 91
Stock options exercised, shares	1,650			(3,225)		4,875
Compensation expense related to stock options		134				$ 134
Ending balance, shares at Jun. 30, 2022	8,275,901			110,084
Ending balance at Jun. 30, 2022	$ 828	96,752	119,414	$ (2,933)	(40,230)	173,831
Beginning balance at Mar. 31, 2022	$ 827	96,619	114,845	$ (1,760)	(23,725)	186,806
Beginning balance, shares at Mar. 31, 2022	8,268,401			65,089
Net Income			6,855			6,855
Other comprehensive loss					(16,505)	(16,505)
Cash dividends declared			(2,286)			(2,286)
Acquisition of treasury stock, shares				47,470
Acquisition of treasury stock				$ (1,239)		(1,239)
Compensation expense related to restricted stock, shares	7,500
Compensation expense related to restricted stock	$ 1	88				89
Stock options exercised		(22)		$ 66		44
Stock options exercised, shares				(2,475)
Compensation expense related to stock options		67				67
Ending balance, shares at Jun. 30, 2022	8,275,901			110,084
Ending balance at Jun. 30, 2022	$ 828	$ 96,752	$ 119,414	$ (2,933)	$ (40,230)	$ 173,831