Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
BALANCE-Beginning at Dec. 31, 2015	$ 7,408	$ 24,299	$ 35,158	$ 1,236		$ 68,101
Net income			3,272			3,272
Other comprehensive income, net of tax				698		698
Dividend declared			(964)			(964)
Compensation expense recognized on stock options		15				15
Common stock grants to directors	5	57				62
Compensation expense recognized on stock grants, net of unearned compensation expense		22				22
BALANCE-Ending at Jun. 30, 2016	7,413	24,393	37,466	1,934		71,206
BALANCE-Beginning at Dec. 31, 2016	7,453	24,603	41,344	(24)	$ (98)	73,278
Net income			3,985			3,985
Other comprehensive income, net of tax				890		890
Dividend declared			(1,042)			(1,042)
Compensation expense recognized on stock options		3				3
Common stock grants to directors	5	63				68
Compensation expense recognized on stock grants, net of unearned compensation expense		48				48
Shares issued under employee stock purchase plan, 1,830 shares	1	25				26
Purchase treasury stock, 6,557 shares at $14.80 per share					(97)	(97)
BALANCE-Ending at Jun. 30, 2017	$ 7,459	$ 24,742	$ 44,287	$ 866	$ (195)	$ 77,159