Consolidated Statement of Changes in Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss, Net of Tax [Member]	Total
Balance at Dec. 31, 2018	$ 71	$ 31,921	$ 109,477	$ (24,403)	$ 117,066
Net income			13,129		13,129
Other comprehensive loss, net of tax				(1,568)	(1,568)
Common stock issued		170			170
Common stock dividend declared			(3,125)		(3,125)
Stock based compensation		268			268
Balance at Dec. 31, 2019	71	32,359	119,481	(25,971)	125,940
Net income			13,841		13,841
Other comprehensive loss, net of tax				(2,892)	(2,892)
Common stock issued		198			198
Common stock dividend declared			(3,631)		(3,631)
Stock based compensation		345			345
Stock repurchase	(1)	(2,753)			(2,754)
Balance at Dec. 31, 2020	$ 70	$ 30,149	$ 129,691	$ (28,863)	$ 131,047