Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2016	$ 70,467	$ 4,233	$ 40,688	$ 28,399	$ (2,853)
Net income	4,339			4,339
Total other comprehensive loss, net of taxes	1,842				1,842
Employee Stock Purchase Plan	52	2	50
Common stock dividends declared	(1,101)			(1,101)
Restricted stock activity	37		37
Balance at Jun. 30, 2017	75,636	4,235	40,775	31,637	(1,011)
Balance at Dec. 31, 2017	75,703	4,242	40,970	32,565	(2,074)
Impact of adoption of new accounting standard (ASU 2016-01 [Member]) at Dec. 31, 2017	(9)			(44)	35
Balance at Dec. 31, 2017	75,694	4,242	40,970	32,521	(2,039)
Net income	3,783			3,783
Total other comprehensive loss, net of taxes	(1,195)				(1,195)
Common stock issued to Scottdale shareholders	64,181	1,879	62,302
Employee Stock Purchase Plan	56	2	54
Director Stock Purchase Plan	61	2	59
Common stock dividends declared	(918)			(918)
Restricted stock activity	113		113
Balance at Jun. 30, 2018	$ 141,775	$ 6,125	$ 103,498	$ 35,386	$ (3,234)