CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2016	$ 109,911	$ 66,195	$ (1,922)	$ 174,184
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	3,664	0	3,664
Other comprehensive income	0	0	1,478	1,478
Cash dividends paid ($0.15 per share)	0	(1,597)	0	(1,597)
Stock options exercised	101	0	0	101
Stock based compensation expense	20	0	0	20
Balances at Mar. 31, 2017	$ 110,032	$ 68,262	$ (444)	$ 177,850