CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Deferred Compensation, Share-based Payments [Member]	AOCI Attributable to Parent [Member]	Total
Balances at December 31, 2020 at Dec. 31, 2019	$ 283	$ 44,490	$ 68,320	$ (795)	$ 1,357	$ 113,655
Beginning balance, shares at Dec. 31, 2019	2,825,912
Balances at June 30, 2021 at Mar. 31, 2020	$ 283	44,566	69,547	(659)	2,406	$ 116,143
Ending balance, shares at Mar. 31, 2020	2,829,017
Stock options exercised, shares						1,350
Balances at December 31, 2020 at Dec. 31, 2019	$ 283	44,490	68,320	(795)	1,357	$ 113,655
Beginning balance, shares at Dec. 31, 2019	2,825,912
Net income			4,781			4,781
Other comprehensive loss, net of tax					1,277	1,277
Common stock dividends declared			(1,640)			(1,640)
Issuance of restricted stock awards	$ 1	421		(422)
Issuance of restricted stock awards, shares	11,775
Stock options exercised		53				53
Forfeiture of restricted stock awards		(29)		29
Forfeiture of restricted stock awards, shares	(700)
Issuance of director’s restricted stock awards Stock based compensation-restricted		114		(114)
Issuance of director's restricted stock awards Stock based compensation-restricted, shares	3,200
Stock based compensation-restricted stock awards		47		271		318
Balances at June 30, 2021 at Jun. 30, 2020	$ 284	45,096	71,461	(1,031)	2,634	118,444
Ending balance, shares at Jun. 30, 2020	2,843,292
Stock options exercised, shares	3,105
Balances at December 31, 2020 at Mar. 31, 2020	$ 283	44,566	69,547	(659)	2,406	116,143
Beginning balance, shares at Mar. 31, 2020	2,829,017
Net income			2,734			2,734
Other comprehensive loss, net of tax					228	228
Common stock dividends declared			(820)			(820)
Issuance of restricted stock awards	$ 1	421		(422)
Issuance of restricted stock awards, shares	11,775
Stock options exercised
Forfeiture of restricted stock awards		(29)		29
Forfeiture of restricted stock awards, shares	(700)
Issuance of director’s restricted stock awards Stock based compensation-restricted		114		(114)
Issuance of director's restricted stock awards Stock based compensation-restricted, shares	3,200
Stock based compensation-restricted stock awards		24		135		159
Balances at June 30, 2021 at Jun. 30, 2020	$ 284	45,096	71,461	(1,031)	2,634	118,444
Ending balance, shares at Jun. 30, 2020	2,843,292
Balances at December 31, 2020 at Dec. 31, 2020	$ 284	45,264	79,974	(774)	3,004	124,752
Beginning balance, shares at Dec. 31, 2020	2,843,292
Balances at June 30, 2021 at Mar. 31, 2021	$ 285	45,369	80,675	(646)	1,559	127,242
Ending balance, shares at Mar. 31, 2021	2,845,147
Balances at December 31, 2020 at Dec. 31, 2020	$ 284	45,264	79,974	(774)	3,004	124,752
Beginning balance, shares at Dec. 31, 2020	2,843,292
Net income			8,879			8,879
Other comprehensive loss, net of tax					(748)	(748)
Common stock dividends declared			(1,679)			(1,679)
Issuance of restricted stock awards	$ 1	623		(624)
Issuance of restricted stock awards, shares	13,850
Stock options exercised	$ 30					31
Issuance of director’s restricted stock awards Stock based compensation-restricted		126		(126)
Issuance of director's restricted stock awards Stock based compensation-restricted, shares	2,800
Stock based compensation-restricted stock awards		174		300		474
Balances at June 30, 2021 at Jun. 30, 2021	$ 286	46,217	84,174	(1,224)	2,256	131,709
Ending balance, shares at Jun. 30, 2021	2,861,697
Stock options exercised, shares	1,755
Balances at December 31, 2020 at Mar. 31, 2021	$ 285	45,369	80,675	(646)	1,559	127,242
Beginning balance, shares at Mar. 31, 2021	2,845,147
Net income			4,353			4,353
Other comprehensive loss, net of tax					697	697
Common stock dividends declared			(854)			(854)
Issuance of restricted stock awards	$ 1	619		(620)
Issuance of restricted stock awards, shares	13,750
Stock options exercised
Issuance of director’s restricted stock awards Stock based compensation-restricted		126		(126)
Issuance of director's restricted stock awards Stock based compensation-restricted, shares	2,800
Stock based compensation-restricted stock awards		103		168		271
Balances at June 30, 2021 at Jun. 30, 2021	$ 286	$ 46,217	$ 84,174	$ (1,224)	$ 2,256	$ 131,709
Ending balance, shares at Jun. 30, 2021	2,861,697