CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Predecessor [Member]	Successor [Member]	Common Stock [Member] Predecessor [Member]	Common Stock [Member] Successor [Member]	Additional paid-in capital [Member] Predecessor [Member]	Additional paid-in capital [Member] Successor [Member]	Retained earnings (deficit) [Member] Predecessor [Member]	Retained earnings (deficit) [Member] Successor [Member]
Beginning Balance at Dec. 31, 2009		$ 180,451		$ 1		$ 69,879		$ 110,571
Beginning Balance, Shares at Dec. 31, 2009				1,000
Net (loss) income		5,412						5,412
Ending Balance at Dec. 31, 2010		185,863		1		69,879		115,983
Ending Balance, Shares at Dec. 31, 2010				1,000
Net (loss) income		(1,891)
Ending Balance at Mar. 31, 2011
Beginning Balance at Dec. 31, 2010		185,863		1		69,879		115,983
Beginning Balance, Shares at Dec. 31, 2010				1,000
Net (loss) income		(10,873)						(10,873)
Ending Balance at Dec. 31, 2011		174,990						105,110
Ending Balance, Shares at Dec. 31, 2011		1,000
Beginning Balance at Sep. 30, 2011
Net (loss) income		(1,350)
Ending Balance at Dec. 31, 2011		174,990		1		69,879		105,110
Ending Balance, Shares at Dec. 31, 2011		1,000		1,000
Net (loss) income		(3,433)						(3,433)
Common stock, $.00001 par value; 500,000,000 authorized, 200,000,000 shares issued and outstanding			76,600		2		76,598
Allocated carve-out costs		23,108						23,108
Cancellation of Predecessor common stock		(194,665)		(1)		(69,879)		(124,785)
Cancellation of Predecessor common stock, shares				(1,000)
Ending Balance at Mar. 19, 2012		171,557	76,600	1	2	69,879	76,598	101,677
Ending Balance, Shares at Mar. 19, 2012		1,000	200,000,000	1,000	200,000,000
Net (loss) income			472
Ending Balance at Mar. 31, 2012
Beginning Balance at Mar. 19, 2012			76,600		2		76,598
Beginning Balance, Shares at Mar. 19, 2012			200,000,000		200,000,000
Net (loss) income			(12,353)		0				(12,353)
Issuance of common stock under restricted share compensation arrangement			143				143
Issuance of common stock under restricted share compensation arrangement, shares					1,156,078
Common stock, $.00001 par value; 500,000,000 authorized, 200,000,000 shares issued and outstanding
Ending Balance at Dec. 31, 2012			64,390		2		76,741		(12,353)
Ending Balance, Shares at Dec. 31, 2012			201,156,078		201,156,078
Beginning Balance at Sep. 30, 2012
Net (loss) income			(9,951)
Ending Balance at Dec. 31, 2012			$ 64,390
Ending Balance, Shares at Dec. 31, 2012			201,156,078