Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2017	$ 83,817	$ 8,587	$ 12,075	$ 62,845	$ 310
Net income	2,539			2,539
Other comprehensive income (loss)	(2,593)				(2,593)
Vesting of restricted stock awards, stock incentive plan		23	(23)
Stock-based compensation expense	81		81
Issuance of common stock, dividend investment plan	180	14	166
Repurchase and retirement of common stock	(157)	(13)	(144)
Dividends declared	(796)			(796)
Balance at Mar. 31, 2018	83,071	8,611	12,155	64,588	(2,283)
Balance at Dec. 31, 2018	87,599	8,573	11,992	68,587	(1,553)
Net income	2,571			2,571
Other comprehensive income (loss)	1,690				1,690
Vesting of restricted stock awards, stock incentive plan		25	(25)
Stock-based compensation expense	86		86
Issuance of common stock, dividend investment plan	116	9	107
Repurchase and retirement of common stock	(47)	(3)	(44)
Dividends declared	(830)			(830)
Balance at Mar. 31, 2019	$ 91,185	$ 8,604	$ 12,116	$ 70,328	$ 137