CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2010	$ 294,542	$ 196	$ (69,549)	$ 246,601	$ 99,056	$ 18,238
Beginning Balance, shares at Dec. 31, 2010		19,586	2,027
Net income loss	(33,722)				(33,722)
Other comprehensive loss, net of tax	(2,001)					(2,001)
Treasury and common stock transactions:
Stock-based compensation	5,664			5,664
Vesting of restricted stock units, net of tax withholdings	(2,775)		10,204	(12,979)
Vesting of restricted stock units, net of tax withholdings, shares			(293)
Re-issuance of treasury stock	375		655	(280)
Re-issuance of treasury stock, shares			(19)
Cash dividends declared ($0.52 per share)	(9,277)				(9,277)
Dividend equivalents on restricted stock units	(1,028)				(1,028)
Tax deficit related to stock-based compensation	(483)			(483)
Ending Balance at Dec. 31, 2011	251,295	196	(58,690)	238,523	55,029	16,237
Ending Balance, shares at Dec. 31, 2011		19,586	1,715
Net income loss	6,240				6,240
Other comprehensive loss, net of tax	(1,277)					(1,277)
Treasury and common stock transactions:
Stock-based compensation	4,199			4,199
Vesting of restricted stock units, net of tax withholdings	(1,653)		6,344	(7,997)
Vesting of restricted stock units, net of tax withholdings, shares			(184)
Purchases of treasury stock	(1,123)		(1,123)
Purchases of treasury stock, Share			88
Re-issuance of treasury stock	450		946	(496)
Re-issuance of treasury stock, shares			(27)
Cash dividends declared ($0.52 per share)	(9,362)				(9,362)
Dividend equivalents on restricted stock units	(203)				(203)
Tax deficit related to stock-based compensation	(219)			(219)
Ending Balance at Dec. 31, 2012	248,347	196	(52,523)	234,010	51,704	14,960
Ending Balance, shares at Dec. 31, 2012		19,586	1,592
Net income loss	6,347				6,347
Other comprehensive loss, net of tax	9					9
Treasury and common stock transactions:
Stock-based compensation	3,747			3,747
Vesting of restricted stock units, net of tax withholdings	(714)		4,038	(4,752)
Vesting of restricted stock units, net of tax withholdings, shares			(120)
Re-issuance of treasury stock	300		674	(374)
Re-issuance of treasury stock, shares			(20)
Cash dividends declared ($0.52 per share)	(9,415)				(9,415)
Dividend equivalents on restricted stock units	(125)				(125)
Tax deficit related to stock-based compensation	(623)			(623)
Ending Balance at Dec. 31, 2013	$ 247,873	$ 196	$ (47,811)	$ 232,008	$ 48,511	$ 14,969
Ending Balance, shares at Dec. 31, 2013		19,586	1,452