CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) (USD $) In Thousands, except Share data	Total USD ($)	Class A Voting	Class B Non-Voting USD ($)	Predecessor USD ($)	Preferred Stock USD ($)	Common Stock USD ($)	Common Stock Class A Voting	Common Stock Class B Non-Voting USD ($)	Common Stock Predecessor USD ($)	Warrants USD ($)	Warrants Preferred Stock	Warrants Predecessor USD ($)	Additional Paid-in Capital USD ($)	Additional Paid-in Capital Class B Non-Voting USD ($)	Additional Paid-in Capital Predecessor USD ($)	Accumulated Deficit USD ($)	Accumulated Deficit Predecessor USD ($)	Treasury Stock Predecessor USD ($)
Beginning Balance at Dec. 31, 2009	$ (83,072)								$ 17						$ 20,399		$ (93,853)	$ (9,635)
Beginning Balance (in shares) at Dec. 31, 2009									17,141,124									(4,668,069)
Stock-based compensation - stock options	49														49
Restricted stock - forfeited (in shares)									(25,500)
Restricted stock - forfeited
Stock-based compensation - restricted stock	66														66
Net (loss) income	(20,839)																(20,839)
Ending Balance at Dec. 31, 2010	(103,796)			(103,796)					17						20,514		(114,692)	(9,635)
Ending Balance (in shares) at Dec. 31, 2010				17,115,624					17,115,624									(4,668,069)
Elimination of Predecessor's equity (in shares)									(17,115,624)									4,668,069
Elimination of Predecessor's equity	20,151								(17)						(20,514)	(843)	31,890	9,635
Issuance of Class B Warrants (in shares)										950,001
Issuance of Class B Warrants	16,318									16,318
Issuance of shares (in shares)							10	8,550,000
Issuance of shares			141,616					9						141,607
Net (loss) income	82,802																82,802
Ending Balance at Mar. 31, 2011	157,091					9				16,318			141,607			(843)
Ending Balance (in shares) at Mar. 31, 2011						8,550,010				950,001
Exercise of Class B Warrants (in shares)											(489,035)
Exercise of Class B Warrants										(8,661)			8,661
Issuance of shares (in shares)								489,035
Net (loss) income	(14,077)															(14,077)
Ending Balance at Dec. 31, 2011	$ 143,014					$ 9				$ 7,657			$ 150,268			$ (14,920)
Ending Balance (in shares) at Dec. 31, 2011		10	9,039,035			9,039,045				460,966