Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Balance at Dec. 31, 2015	$ 34,427	$ 115,918	$ 114,209	$ (12,659)	$ (95,966)	$ 155,929
Increase (Decrease) in Stockholders' Equity
Net income			7,167			7,167
Other comprehensive gain, net of tax				4,576		4,576
Dividends declared and paid			(296)			(296)
Change in restricted stock	106	(106)
Tax effect from vesting of restricted stock		174				174
Stock based compensation		325				325
Purchase of treasury stock					(254)	(254)
Balance at Jun. 30, 2016	34,533	116,311	121,080	(8,083)	(96,220)	167,621
Balance at Dec. 31, 2016	34,534	116,653	129,005	(8,762)	(96,220)	175,210
Increase (Decrease) in Stockholders' Equity
Net income			10,029			10,029
Other comprehensive gain, net of tax				6,094		6,094
Dividends declared and paid			(592)			(592)
Change in restricted stock	92	(92)
Stock based compensation		625				625
Purchase of treasury stock					(236)	(236)
Balance at Jun. 30, 2017	$ 34,626	$ 117,186	$ 138,442	$ (2,668)	$ (96,456)	$ 191,130