Consolidated Statements of Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Noncontrolling Interest [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
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]
Issuance of common stock in JEN Transaction	1,051	18,648	0	0	0
Issuance of common stock in JEN Transaction (in shares)	1,050,572				0
Issuances of restricted stock units and stock units	498	(514)	0	0	0
Issuances of restricted stock units and stock units (in shares)	498,248				0
Repurchase of restricted stock to satisfy employee withholding taxes	0	0	0	0	(73)
Repurchase of restricted stock to satisfy employee withholding taxes (in shares)	0				(3,645)
Amortization of restricted stock units and stock units	0	1,442	0	0	0
Net (loss) income	0	0	(574)	(35,108)	0	(35,108)
Balance at Dec. 31, 2010	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 JEN Transaction	5	49	0	0	0
Issuance of common stock in JEN Transaction (in shares)	4,935				0
Issuances of restricted stock units and stock units	365	3,691	0	0	0
Issuances of restricted stock units and stock units (in shares)	365,500				0
Forfeiture of restricted stock	(293)		0	0	0
Forfeiture of restricted stock (in shares)	(293,178)	(3,819)			0
Repurchase of restricted stock to satisfy employee withholding taxes	(35)	(226)	0	0	0
Repurchase of restricted stock to satisfy employee withholding taxes (in shares)	(35,381)				0
Amortization of restricted stock units and stock units	0	1,850	0	0	0
Retirement of treasury stock	(1,410)	(24,264)	0	(7,411)	33,086
Retirement of treasury stock (in shares)	(1,409,832)				1,409,832	(1,409,832)
Contributions (distributions) from non-controlling interests	0	0	301	0	0
Net (loss) income	0	0	(296)	(165,881)	0	(165,881)
Balance at Dec. 31, 2011	14,195	282,953	449	2,973	(45,924)	254,646
Balance (in shares) at Dec. 31, 2011	14,194,776				(1,252,274)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	23	177	0	0	0
Issuance of common stock (in shares)	22,834				0
Issuances of restricted stock units and stock units	424	2,879	0	0	0
Issuances of restricted stock units and stock units (in shares)	424,520				0
Forfeiture of restricted stock	(501)	(2,802)	0	0	0
Forfeiture of restricted stock (in shares)	(501,084)				0
Repurchase of restricted stock to satisfy employee withholding taxes	(62)	(759)	0	0	0
Repurchase of restricted stock to satisfy employee withholding taxes (in shares)	(61,489)				0
Amortization of restricted stock units and stock units	0	2,834	0	0	0
Retirement of treasury stock	(1,141)	(22,919)	0	(18,848)	42,905
Retirement of treasury stock (in shares)	(1,141,400)				1,141,400
Contributions (distributions) from non-controlling interests	0	0	10,703	0	0
Net (loss) income	0	0	2,552	(90,235)	0	(90,235)
Balance at Dec. 31, 2012	$ 12,938	$ 262,363	$ 13,704	$ (106,110)	$ (3,019)	$ 179,876
Balance (in shares) at Dec. 31, 2012	12,938,157				110,874