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			18,277			18,277
Other comprehensive loss					(3,681)	(3,681)
Cash dividends declared			(6,405)			(6,405)
Acquisition of treasury stock, shares				37,405
Acquisition of treasury stock				$ (961)		(961)
Compensation expense related to restricted stock		371		$ (120)		251
Stock options exercised	$ 1	181				182
Stock options exercised, shares	9,620
Compensation expense related to stock options		160				160
Compensation expense related to stock options, shares				3,900
Ending balance, shares at Sep. 30, 2021	8,245,951			51,568
Ending balance at Sep. 30, 2021	$ 825	96,100	105,668	$ (1,423)	1,438	202,608
Beginning balance at Jun. 30, 2021	$ 825	95,951	100,818	$ (656)	3,561	200,499
Beginning balance, shares at Jun. 30, 2021	8,245,301			21,568
Net Income			6,981			6,981
Other comprehensive loss					(2,123)	(2,123)
Cash dividends declared			(2,131)			(2,131)
Acquisition of treasury stock, shares				30,000
Acquisition of treasury stock				$ (767)		(767)
Compensation expense related to restricted stock		84				84
Stock options exercised		12				12
Stock options exercised, shares	650
Compensation expense related to stock options		53				53
Ending balance, shares at Sep. 30, 2021	8,245,951			51,568
Ending balance at Sep. 30, 2021	$ 825	96,100	105,668	$ (1,423)	1,438	202,608
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			22,093			22,093
Other comprehensive loss					(60,309)	(60,309)
Cash dividends declared			(6,865)			(6,865)
Acquisition of treasury stock, shares				84,668
Acquisition of treasury stock				$ (2,204)		(2,204)
Compensation expense related to restricted stock, shares	7,500
Compensation expense related to restricted stock	$ 1	271				272
Stock options exercised		(130)		$ 529		$ 399
Stock options exercised, shares	1,650			(19,950)		21,600
Compensation expense related to stock options		201				$ 201
Ending balance, shares at Sep. 30, 2022	8,275,901			130,046
Ending balance at Sep. 30, 2022	$ 828	96,785	125,243	$ (3,442)	(60,565)	158,849
Beginning balance at Jun. 30, 2022	$ 828	96,752	119,414	$ (2,933)	(40,230)	173,831
Beginning balance, shares at Jun. 30, 2022	8,275,901			110,084
Net Income			8,109			8,109
Other comprehensive loss					(20,335)	(20,335)
Cash dividends declared			(2,280)			(2,280)
Acquisition of treasury stock, shares				36,687
Acquisition of treasury stock				$ (952)		(952)
Compensation expense related to restricted stock		101				101
Stock options exercised		(135)		$ 443		308
Stock options exercised, shares				(16,725)
Compensation expense related to stock options		67				67
Ending balance, shares at Sep. 30, 2022	8,275,901			130,046
Ending balance at Sep. 30, 2022	$ 828	$ 96,785	$ 125,243	$ (3,442)	$ (60,565)	$ 158,849