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		579			579
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes		(352)			(352)
Common stock issued for stock compensation plans, net of shares withheld and withholding paid for employee taxes (in shares)	45,193
Net income (loss)				154	154
Other comprehensive income, net of tax			153		153
Balance at Mar. 31, 2016	$ 115	178,246	(29,235)	159,107	308,233
Balance (in shares) at Mar. 31, 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		567			567
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)				(1,952)	(1,952)
Other comprehensive income, net of tax			13,062		13,062
Balance at Mar. 31, 2017	$ 116	$ 180,429	$ (22,156)	$ 158,657	$ 317,046
Balance (in shares) at Mar. 31, 2017	11,587,963