Consolidated Statements of Changes in Shareholders’ Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2011	$ 127	$ 142,233	$ (36,508)	$ (2,370)	$ 103,482
Balance (in Shares) at Dec. 31, 2011	12,726,388
Net income (loss)			(1,864)		(1,864)
Other comprehensive income (loss), net of tax				(4,347)	(4,347)
Compensation expense related to stock options and restricted stock granted under equity award plans		1,109			1,109
Common stock issued related to restricted stock granted under equity award plans, shares (in Shares)	27,637
Other changes (in Shares)	20
Balance at Dec. 31, 2012	127	143,342	(38,372)	(6,717)	98,380
Balance (in Shares) at Dec. 31, 2012	12,754,045
Net income (loss)			27,731		27,731
Other comprehensive income (loss), net of tax				(3,576)	(3,576)
Exercise of stock options		124			124
Exercise of stock options (in Shares)	11,250
Compensation expense related to stock options and restricted stock granted under equity award plans		1,158			1,158
Common stock issued related to restricted stock granted under equity award plans, shares (in Shares)	19,309
Other changes (in Shares)	1
Balance at Dec. 31, 2013	127	144,624	(10,641)	(10,293)	123,817
Balance (in Shares) at Dec. 31, 2013	12,784,605
Net income (loss)			9,355		9,355
Other comprehensive income (loss), net of tax				390	390
Compensation expense related to stock options and restricted stock granted under equity award plans	1	773			774
Common stock issued related to restricted stock granted under equity award plans, value		(13)			(13)
Common stock issued related to restricted stock granted under equity award plans, shares (in Shares)	25,783
Cash dividends declared on common stock			(1,279)		(1,279)
Balance at Dec. 31, 2014	$ 128	$ 145,384	$ (2,565)	$ (9,903)	$ 133,044
Balance (in Shares) at Dec. 31, 2014	12,810,388