CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2015	$ 126	$ 63,815	$ 83,097	$ (71)	$ 146,967
Net income			7,143		7,143
Other comprehensive income				1,548	1,548
Common shares issued for employee stock-based awards		53			53
Stock-based compensation	1	261			262
Cash dividends declared			(1,138)		(1,138)
Balances at Sep. 30, 2016	127	64,129	89,102	1,477	154,835
Balances at Dec. 31, 2016	127	64,201	90,964	(993)	154,299
Net income			8,564		8,564
Other comprehensive income				939	939
Stock-based compensation		748			748
Cash dividends declared			(1,902)		(1,902)
Balances at Sep. 30, 2017	$ 127	$ 64,949	$ 97,626	$ (54)	$ 162,648