CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Total
Balances at Dec. 31, 2016	$ 2,787	$ 10,130	$ 21,708	$ (810)	$ 33,815
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			1,064		1,064
Cash dividends, $0.30 per share			(837)		(837)
Dividends reinvested under dividend reinvestment plan	10	103			113
Other comprehensive income (loss)				481	481
Balances at Sep. 30, 2017	2,797	10,233	21,935	(329)	34,636
Balances at Dec. 31, 2017	2,801	10,267	21,605	(631)	34,042
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			1,275		1,275
Cash dividends, $0.30 per share			(944)		(944)
Dividends reinvested under dividend reinvestment plan	10	101			111
Other comprehensive income (loss)				(1,140)	(1,140)
Balances at Sep. 30, 2018	$ 2,811	$ 10,368	$ 21,936	$ (1,771)	$ 33,344