Condensed Consolidated Statements of Shareholders' Equity (unaudited) $ in Thousands	USD ($)
Balance at beginning of period at Dec. 31, 2014	$ 250,371
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,781
Cash dividends declared	(1,382)
Issuance of common stock	16
Share based compensation	373
Share based compensation withholding obligation	(66)
Repurchase of common stock	(902)
Net change in accumulated other comprehensive loss, net of related tax effect	1,434
Balance at end of period at Mar. 31, 2015	253,625
Balance at beginning of period at Dec. 31, 2015	251,092
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,100
Cash dividends declared	(1,750)
Issuance of common stock	32
Share based compensation	410
Share based compensation withholding obligation	(66)
Repurchase of common stock	(15,510)
Net change in accumulated other comprehensive loss, net of related tax effect	1,237
Balance at end of period at Mar. 31, 2016	$ 239,545