Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Beginning balance at Dec. 31, 2010	$ 20,873	$ 121,815	$ 105,331	$ 9,637	$ (5,262)	$ 235,278
Beginning balance (in shares) at Dec. 31, 2010	3,757				749
Acquisition of treasury shares					(6,401)	(6,401)
Acquisition of treasury shares (in shares)					875
Equity incentive plan activity		709				709
Stock options exercised		(6)			105	99
Stock options, exercised (in shares)					(15)
Accretion of redeemable non-controlling interest		(31)				(31)
Net income (loss)			(10,891)			(10,891)
Other comprehensive income (loss), net of tax				(3,191)		(3,191)
Ending balance at Dec. 31, 2011	3,757	122,487	94,440	6,446	(11,558)	215,572
Ending balance (in shares) at Dec. 31, 2011	20,873				1,609
Equity incentive plan activity		380				380
Accretion of redeemable non-controlling interest		(392)				(392)
Net income (loss)			3,524			3,524
Other comprehensive income (loss), net of tax				1,453		1,453
Ending balance at Dec. 31, 2012	3,757	122,475	97,964	7,899	(11,558)	220,537
Ending balance (in shares) at Dec. 31, 2012	20,873				1,609
Equity incentive plan activity		352				352
Stock options, exercised (in shares)
Net income (loss)			8,245			8,245
Other comprehensive income (loss), net of tax				8,984		8,984
Ending balance at Dec. 31, 2013	$ 3,757	$ 122,827	$ 106,209	$ 16,883	$ (11,558)	$ 238,118
Ending balance (in shares) at Dec. 31, 2013	20,873				1,609