Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at at Dec. 31, 2009	$ 245,982	$ 634	$ 502,822	$ (211,085)	$ (46,389)
Balance at (in shares) at Dec. 31, 2009		63,416,564
Stock-based compensation plans
Grant of restricted stock	0	4	(4)
Grant of restricted stock (in shares)		367,200
Withholdings of common shares, net of issuances	(959)	(1)	(958)
Withholdings of common shares, net of issuances (in shares)		(95,736)
Forfeited restricted stock	0
Forfeited restricted stock (in shares)		(35,800)
Tax benefit from common stock compensation	498		498
Amortization of stock awards and restricted stock	1,720		1,720
Debt extinguishment, net of tax	14,847		14,847
Total comprehensive income (loss)	39,989			39,834	155
Balance at at Dec. 31, 2010	302,077	637	518,925	(171,251)	(46,234)
Balance at (in shares) at Dec. 31, 2010		63,652,228
Stock-based compensation plans
Grant of restricted stock	0	3	(3)
Grant of restricted stock (in shares)		313,300
Issuance of common shares, net of withholdings	(1,186)	1	(1,187)
Issuance of common shares, net of withholdings (in shares)		161,161
Forfeited restricted stock	0	(1)	1
Forfeited restricted stock (in shares)		(110,900)
Amortization of stock awards and restricted stock	2,877		2,877
Total comprehensive income (loss)	(33,621)			23,192	(56,813)
Balance at at Dec. 31, 2011	270,147	640	520,613	(148,059)	(103,047)
Balance at (in shares) at Dec. 31, 2011	64,015,789	64,015,789
Stock-based compensation plans
Grant of restricted stock	0	3	(3)
Grant of restricted stock (in shares)		254,200
Withholdings of common shares, net of issuances	(756)	(1)	(755)
Withholdings of common shares, net of issuances (in shares)		(83,933)
Forfeited restricted stock	0	(1)	1
Forfeited restricted stock (in shares)		(56,000)
Amortization of stock awards and restricted stock	3,231		3,231
Total comprehensive income (loss)	26,634			40,874	(14,240)
Balance at at Dec. 31, 2012	$ 299,256	$ 641	$ 523,087	$ (107,185)	$ (117,287)
Balance at (in shares) at Dec. 31, 2012	64,130,056	64,130,056