Schedule of Restated Financial Statements (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Condensed Financial Statements, Captions [Line Items]
Other expense									$ (38,798,000)	$ (153,000)	$ 155,000
Realized loss on settlement of derivative forward contracts	37,600,000			6,700,000
Intercompany advances made									0	0	0
Payments for (Proceeds from) Notes Receivable from Guarantor									0
Net cash used in investing activities									(1,422,929,000)	(349,390,000)	(59,431,000)
Intercompany advances owed									0	0	0
Loans to Parent									0
Net cash provided by financing activities									1,320,383,000	411,280,000	397,649,000
Income tax benefit (expense)									54,075,000	(28,576,000)	0
Equity Earnings from Consolidated Subsidiaries									0	0	0
Net (loss) income	(389,490,000)	(15,451,000)	(66,924,000)	(3,478,000)	26,674,000	45,101,000	48,755,000	(2,198,000)	(475,343,000)	118,334,000	(50,774,000)
Net cash (used in) provided by operating activities									(89,635,000)	42,965,000	(28,717,000)
Deferred tax assets	0								0
Investments in consolidated subsidiaries	0				0				0	0
Intercompany accounts receivable	0				0				0	0
Total assets	2,992,535,000				1,255,125,000				2,992,535,000	1,255,125,000
Income tax payable	15,267,000				0				15,267,000	0
Total current liabilities	359,417,000				178,623,000				359,417,000	178,623,000
Deferred tax liabilities (non-current)	160,675,000				18,899,000				160,675,000	18,899,000
Total liabilities	1,741,277,000				409,895,000				1,741,277,000	409,895,000
Additional paid-in capital	1,691,429,000				838,547,000				1,691,429,000	838,547,000
Deficit	(466,091,000)				15,078,000				(466,091,000)	15,078,000
Total stockholders' equity	1,251,258,000				845,230,000				1,251,258,000	845,230,000	446,513,000	74,615,000
Parent
Condensed Financial Statements, Captions [Line Items]
Other expense									(37,589,000)	0	0
Intercompany advances made									(1,009,014,000)	(290,633,000)	(43,931,000)
Payments for (Proceeds from) Notes Receivable from Guarantor									(37,589,000)
Net cash used in investing activities									(1,954,253,000)	(323,614,000)	(77,131,000)
Intercompany advances owed									0	0	0
Loans to Parent									0
Net cash provided by financing activities									1,576,574,000	413,727,000	393,748,000
Income tax benefit (expense)									6,030,000	0
Equity Earnings from Consolidated Subsidiaries									(456,649,000)	117,608,000	(50,587,000)
Net (loss) income									(481,169,000)	117,526,000	(50,774,000)
Net cash (used in) provided by operating activities									(13,207,000)	903,000	(187,000)
Deferred tax assets	6,030,000								6,030,000
Investments in consolidated subsidiaries	883,319,000				150,510,000				883,319,000	150,510,000
Intercompany accounts receivable	1,539,877,000				476,711,000				1,539,877,000	476,711,000
Total assets	2,447,538,000				1,036,418,000				2,447,538,000	1,036,418,000
Income tax payable	0								0
Total current liabilities	14,872,000				311,000				14,872,000	311,000
Deferred tax liabilities (non-current)	0				0				0	0
Total liabilities	1,231,492,000				191,188,000				1,231,492,000	191,188,000
Additional paid-in capital	1,691,429,000				838,547,000				1,691,429,000	838,547,000
Deficit	(466,091,000)				15,078,000				(466,091,000)	15,078,000
Total stockholders' equity	1,216,046,000				845,230,000				1,216,046,000	845,230,000
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other expense									(328,000)	(153,000)	155,000
Intercompany advances made									0	0	0
Payments for (Proceeds from) Notes Receivable from Guarantor									0
Net cash used in investing activities									(953,731,000)	(357,674,000)	(41,231,000)
Intercompany advances owed									881,179,000	290,001,000	43,931,000
Loans to Parent									(37,589,000)
Net cash provided by financing activities									1,073,379,000	324,221,000	62,832,000
Income tax benefit (expense)									53,840,000	(28,500,000)
Equity Earnings from Consolidated Subsidiaries									(23,205,000)	12,485,000	0
Net (loss) income									(125,968,000)	117,608,000	(50,587,000)
Net cash (used in) provided by operating activities									(112,386,000)	44,211,000	(28,530,000)
Deferred tax assets	0								0
Investments in consolidated subsidiaries	97,960,000				118,879,000				97,960,000	118,879,000
Intercompany accounts receivable	207,035,000				25,870,000				207,035,000	25,870,000
Total assets	1,891,283,000				851,236,000				1,891,283,000	851,236,000
Income tax payable	0								0
Total current liabilities	207,689,000				153,102,000				207,689,000	153,102,000
Deferred tax liabilities (non-current)	23,130,000				18,899,000				23,130,000	18,899,000
Total liabilities	1,843,033,000				677,009,000				1,843,033,000	677,009,000
Additional paid-in capital	149,857,000				149,857,000				149,857,000	149,857,000
Deficit	(101,607,000)				24,370,000				(101,607,000)	24,370,000
Total stockholders' equity	48,250,000				174,227,000				48,250,000	174,227,000
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other expense									(881,000)	0
Intercompany advances made									0	0
Payments for (Proceeds from) Notes Receivable from Guarantor									(227,512,000)
Net cash used in investing activities									(624,299,000)	(8,165,000)	0
Intercompany advances owed									127,835,000	632,000
Loans to Parent									0
Net cash provided by financing activities									779,784,000	13,395,000	0
Income tax benefit (expense)									(5,795,000)	(76,000)
Equity Earnings from Consolidated Subsidiaries									0	0
Net (loss) income									(348,060,000)	13,293,000
Net cash (used in) provided by operating activities									35,958,000	(2,149,000)
Deferred tax assets	0								0
Investments in consolidated subsidiaries	0				0				0	0
Intercompany accounts receivable	794,000				0				794,000	0
Total assets	1,390,671,000				139,441,000				1,390,671,000	139,441,000
Income tax payable	15,267,000								15,267,000
Total current liabilities	138,798,000				25,210,000				138,798,000	25,210,000
Deferred tax liabilities (non-current)	143,575,000				0				143,575,000	0
Total liabilities	422,430,000				44,279,000				422,430,000	44,279,000
Additional paid-in capital	1,283,863,000				91,158,000				1,283,863,000	91,158,000
Deficit	(341,401,000)				12,485,000				(341,401,000)	12,485,000
Total stockholders' equity	968,241,000				95,162,000				968,241,000	95,162,000
As reported
Condensed Financial Statements, Captions [Line Items]
Net (loss) income									(443,728,000)
Deferred tax assets	1,083,000								1,083,000
Total assets	2,994,708,000								2,994,708,000
Deferred tax liabilities (non-current)	166,215,000								166,215,000
Additional paid-in capital	1,680,838,000								1,680,838,000
Deficit	(434,476,000)								(434,476,000)
Total stockholders' equity	1,247,891,000								1,247,891,000
As reported | Parent
Condensed Financial Statements, Captions [Line Items]
Other expense									0
Payments for (Proceeds from) Notes Receivable from Guarantor									0
Net cash provided by financing activities									1,538,985,000
Income tax benefit (expense)									(8,630,000)
Equity Earnings from Consolidated Subsidiaries									(447,963,000)
Net (loss) income									(449,554,000)
Net cash (used in) provided by operating activities									24,382,000
Deferred tax assets	0								0
Investments in consolidated subsidiaries	891,625,000								891,625,000
Intercompany accounts receivable	1,567,255,000								1,567,255,000
Total assets	2,477,192,000								2,477,192,000
Income tax payable	2,746,000								2,746,000
Total current liabilities	17,618,000								17,618,000
Deferred tax liabilities (non-current)	5,884,000								5,884,000
Total liabilities	1,240,122,000								1,240,122,000
Additional paid-in capital	1,680,838,000								1,680,838,000
Deficit	(434,476,000)								(434,476,000)
Total stockholders' equity	1,237,070,000								1,237,070,000
As reported | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other expense									(37,917,000)
Intercompany advances made										290,001,000	43,931,000
Net cash used in investing activities									(916,142,000)	(67,673,000)	2,700,000
Intercompany advances owed										0	0
Loans to Parent									0
Net cash provided by financing activities										34,220,000	18,901,000
Income tax benefit (expense)									68,500,000
Net (loss) income									(148,897,000)
Net cash (used in) provided by operating activities									(149,975,000)
Intercompany accounts receivable	169,446,000								169,446,000
Total assets	1,853,694,000								1,853,694,000
Deferred tax liabilities (non-current)	8,470,000								8,470,000
Total liabilities	1,828,373,000								1,828,373,000
Deficit	(124,536,000)								(124,536,000)
Total stockholders' equity	25,321,000								25,321,000
As reported | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Intercompany advances made										632,000
Net cash used in investing activities										(7,533,000)	0
Intercompany advances owed										0
Net cash provided by financing activities										12,763,000	0
Adjustment | Parent
Condensed Financial Statements, Captions [Line Items]
Other expense									(37,589,000)
Payments for (Proceeds from) Notes Receivable from Guarantor									(37,589,000)
Net cash provided by financing activities									37,589,000
Income tax benefit (expense)									14,660,000
Equity Earnings from Consolidated Subsidiaries									(8,686,000)
Net (loss) income									(31,615,000)
Net cash (used in) provided by operating activities									(37,589,000)
Deferred tax assets	6,030,000								6,030,000
Investments in consolidated subsidiaries	(8,306,000)								(8,306,000)
Intercompany accounts receivable	(27,378,000)								(27,378,000)
Total assets	(29,654,000)								(29,654,000)
Income tax payable	(2,746,000)								(2,746,000)
Total current liabilities	(2,746,000)								(2,746,000)
Deferred tax liabilities (non-current)	(5,884,000)								(5,884,000)
Total liabilities	(8,630,000)								(8,630,000)
Additional paid-in capital	10,591,000								10,591,000
Deficit	(31,615,000)								(31,615,000)
Total stockholders' equity	(21,024,000)								(21,024,000)
Adjustment | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other expense									37,589,000
Intercompany advances made										(290,001,000)	(43,931,000)
Net cash used in investing activities									(37,589,000)	(290,001,000)	(43,931,000)
Intercompany advances owed										290,001,000	43,931,000
Loans to Parent									37,589,000
Net cash provided by financing activities										290,001,000	43,931,000
Income tax benefit (expense)									(14,660,000)
Net (loss) income									22,929,000
Net cash (used in) provided by operating activities									37,589,000
Intercompany accounts receivable	37,589,000								37,589,000
Total assets	37,589,000								37,589,000
Deferred tax liabilities (non-current)	14,660,000								14,660,000
Total liabilities	14,660,000								14,660,000
Deficit	22,929,000								22,929,000
Total stockholders' equity	22,929,000								22,929,000
Adjustment | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Intercompany advances made										(632,000)
Net cash used in investing activities										(632,000)	0
Intercompany advances owed										632,000
Net cash provided by financing activities										$ 632,000	$ 0