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, 2014	$ 73,132	$ 8,621	$ 12,618	$ 50,578	$ 1,315
Net income	5,542			5,542
Other comprehensive income	78				78
Vesting of restricted stock awards, stock incentive plan		23	(23)
Income tax benefit on vesting of restricted stock	4		4
Stock-based compensation expense	227		227
Issuance of common stock, dividend investment plan	551	61	490
Issuance of common stock, employee benefit plan	166	18	148
Dividends declared	(2,091)			(2,091)
Balance at Sep. 30, 2015	77,609	8,723	13,464	54,029	1,393
Balance at Dec. 31, 2015	78,221	8,758	13,730	54,682	1,051
Net income	4,565			4,565
Other comprehensive income	914				914
Vesting of restricted stock awards, stock incentive plan		20	(20)
Stock-based compensation expense	220		220
Issuance of common stock, dividend investment plan	499	55	444
Issuance of common stock, employee benefit plan	58	6	52
Retirement of common stock	(1,648)	(173)	(1,475)
Dividends declared	(2,122)			(2,122)
Balance at Sep. 30, 2016	$ 80,707	$ 8,666	$ 12,951	$ 57,125	$ 1,965