Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Noncontrolling Interest [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2008		$ 11,488				$ (78,937)
Balance (in shares) at Dec. 31, 2008		11,488,259	245,049	0	240,356	(2,658,461)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		2,514,391
Issuance of common stock		2,515	39,782	0	0	0
Issuances of restricted stock units and stock units (in shares)		11,262
Issuances of restricted stock units and stock units		11	(11)	0	0	0
Tax benefit from exercise of restricted stock units and stock units		0	(830)	0	0	0
Amortization of restricted stock units and stock units		0	2,138	0	0	0
Net gain (loss) attributable to non- controlling interests	0
Repurchase of 4.50% Notes		0	(32)	0	0	0
Capital contributions from non-controlling interest in unconsolidated entities		0	0	1,018	0	0
Net loss	(28,983)	0	0	0	(28,983)	0
Balance at Dec. 31, 2009		14,014	286,096	1,018	211,373	(78,937)
Balance (in shares) at Dec. 31, 2009		14,013,912				(2,658,461)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances of restricted stock units and stock units (in shares)		498,248
Issuances of restricted stock units and stock units		498	(514)	0	0	0
Repurchase of restricted stock to satisfy employee statutory minimum withholding taxes		0	0	0	0	(73)
Amortization of restricted stock units and stock units		0	1,442	0	0	0
Net gain (loss) attributable to non- controlling interests	(574)	0	0	(574)	0	0
Net loss	(35,108)	0	0	0	(35,108)	0
Issuance of common stock in JEN Transaction (in shares)		1,050,572
Issuance of common stock in JEN Transaction		1,051	18,648	0	0	0
Repurchase of restricted stock to satisfy employee statutory minimum withholding taxes (in shares)						(3,645)
Balance at Dec. 31, 2010	418,934	15,563	305,672	444	176,265	(79,010)
Balance (in shares) at Dec. 31, 2010		15,562,732				(2,662,106)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		4,935
Issuance of common stock		5	49	0	0	0
Issuances of restricted stock units and stock units (in shares)		365,500
Issuances of restricted stock units and stock units		365	3,691	0	0	0
Forfeiture of restricted stock (in shares)		(293,178)
Forfeiture of restricted stock		(293)	(3,819)	0	0	0
Repurchase of restricted stock to satisfy employee statutory minimum withholding taxes		(35)	(226)	0	0	0
Amortization of restricted stock units and stock units		0	1,850	0	0	0
Retirement of treasury stock (in shares)		(1,409,832)				1,409,832
Retirement of treasury stock		(1,410)	(24,264)	0	(7,411)	33,086
Net gain (loss) attributable to non- controlling interests	(296)	0	0	5	0	0
Net loss	(165,881)	0	0	0	(165,881)	0
Repurchase of restricted stock to satisfy employee statutory minimum withholding taxes (in shares)		(35,381)
Balance at Dec. 31, 2011	$ 254,646	$ 14,195	$ 282,953	$ 449	$ 2,973	$ (45,924)
Balance (in shares) at Dec. 31, 2011		14,194,776				(1,252,274)