Condensed Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Total
Balance at Dec. 31, 2015	$ 115	$ 178,019	$ (29,388)	$ 158,953	$ 307,699
Balance (in shares) at Dec. 31, 2015	11,466,398
Stock based compensation		1,141			1,141
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes		(351)			(351)
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes (in shares)	45,193
Net income (loss)				1,599	1,599
Other comprehensive income, net of tax			306		306
Balance at Jun. 30, 2016	$ 115	178,809	(29,082)	160,552	310,394
Balance (in shares) at Jun. 30, 2016	11,511,591
Balance at Dec. 31, 2016	$ 115	179,958	(35,218)	160,059	304,914
Balance (in shares) at Dec. 31, 2016	11,513,279
Cumulative effect of adoption of new accounting standard for stock compensation				550	550
Stock based compensation		1,273			1,273
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes	$ 1	(96)			(95)
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes (in shares)	74,684
Net income (loss)				(5,429)	(5,429)
Other comprehensive income, net of tax			12,444		12,444
Balance at Jun. 30, 2017	$ 116	$ 181,135	$ (22,774)	$ 155,180	$ 313,657
Balance (in shares) at Jun. 30, 2017	11,587,963