Guarantor Subsidiaries (Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current Assets:
Cash and cash equivalents	$ 59,185	$ 106,036	$ 99,267	$ 27,287
Restricted cash	178	0
Accounts receivable	46,003	8,649
Current receivables due from affiliates	0	0
Prepaid expenses and other current assets	20,995	18,840
Total Current Assets	126,361	133,525
Property, plant and equipment	1,003,441	549,196
Goodwill	262,764	211,886	211,886
Long-term receivables due from affiliates	0	0
Investments in subsidiaries	0	0
Other Assets	49,906	30,384
Total Assets	1,442,472	924,991
Current Liabilities:
Accounts payable	60,153	62,275
Current maturities of debt	15,713	12,350
Current liabilites due to affiliates	0	0
Accrued expenses and other	90,100	20,549
Total Current Liabilities	165,966	95,174
Long-term debt	843,793	455,028
Long-term liabilities due from affiliates	0	0
Deferred Taxes	141,887	115,759
Other Liabilities	147,692	61,248
Total Liabilities	1,299,338	727,209
Series C convertible preferred stock	43,703	43,703
Stockholder's equity	99,431	154,079	154,618	60,133
Total Liabilities and Stockholders Equity	1,442,472	924,991
[ParentCompanyMember]
Current Assets:
Cash and cash equivalents	0	0	0	0
Restricted cash	0
Accounts receivable	0	0
Current receivables due from affiliates	950,210	388,676
Prepaid expenses and other current assets	0	0
Total Current Assets	950,210	388,676
Property, plant and equipment	0	0
Goodwill	0	0
Long-term receivables due from affiliates	0	0
Investments in subsidiaries	57,662	57,662
Other Assets	25,200	5,414
Total Assets	1,033,072	451,752
Current Liabilities:
Accounts payable	0	0
Current maturities of debt	0	10,000
Current liabilites due to affiliates	34,509	0
Accrued expenses and other	27,549	4,847
Total Current Liabilities	62,058	14,847
Long-term debt	676,413	157,012
Long-term liabilities due from affiliates	0	0
Deferred Taxes	0	0
Other Liabilities	3,032	2,326
Total Liabilities	741,503	174,185
Series C convertible preferred stock	43,703	43,703
Stockholder's equity	247,866	233,864
Total Liabilities and Stockholders Equity	1,033,072	451,752
[GuarantorSubsidiariesMember]
Current Assets:
Cash and cash equivalents	27,800	2,951	709	402
Restricted cash	50
Accounts receivable	2,645	4,141
Current receivables due from affiliates	36,725	45,305
Prepaid expenses and other current assets	508	1,129
Total Current Assets	67,728	53,526
Property, plant and equipment	92,692	127,739
Goodwill	0	0
Long-term receivables due from affiliates	599,000	99,000
Investments in subsidiaries	120,058	120,077
Other Assets	6,085	6,083
Total Assets	885,563	406,425
Current Liabilities:
Accounts payable	2,622	17,655
Current maturities of debt	0	0
Current liabilites due to affiliates	987,664	513,914
Accrued expenses and other	1,516	4,799
Total Current Liabilities	991,802	536,368
Long-term debt	0	0
Long-term liabilities due from affiliates	0	(57,250)
Deferred Taxes	0	0
Other Liabilities	562	282
Total Liabilities	992,364	479,400
Series C convertible preferred stock	0	0
Stockholder's equity	(106,801)	(72,975)
Total Liabilities and Stockholders Equity	885,563	406,425
[NonGuarantorSubsidiariesMember]
Current Assets:
Cash and cash equivalents	31,385	103,085	98,558	26,885
Restricted cash	128
Accounts receivable	43,358	4,508
Current receivables due from affiliates	71,964	11,142
Prepaid expenses and other current assets	20,487	17,711
Total Current Assets	167,322	136,446
Property, plant and equipment	910,749	421,457
Goodwill	262,764	211,886
Long-term receivables due from affiliates	0	57,250
Investments in subsidiaries	0	0
Other Assets	18,621	18,887
Total Assets	1,359,456	845,926
Current Liabilities:
Accounts payable	57,531	44,620
Current maturities of debt	15,713	2,350
Current liabilites due to affiliates	36,726	45,715
Accrued expenses and other	61,035	10,903
Total Current Liabilities	171,005	103,588
Long-term debt	167,380	298,016
Long-term liabilities due from affiliates	599,000	99,000
Deferred Taxes	141,887	108,762
Other Liabilities	144,098	58,634
Total Liabilities	1,223,370	668,000
Series C convertible preferred stock	0	0
Stockholder's equity	136,086	177,926
Total Liabilities and Stockholders Equity	1,359,456	845,926
[ConsolidationEliminationsMember]
Current Assets:
Cash and cash equivalents	0	0	0	0
Restricted cash	0
Accounts receivable	0	0
Current receivables due from affiliates	(1,058,899)	(445,123)
Prepaid expenses and other current assets	0	0
Total Current Assets	(1,058,899)	(445,123)
Property, plant and equipment	0	0
Goodwill	0	0
Long-term receivables due from affiliates	(599,000)	(156,250)
Investments in subsidiaries	(177,720)	(177,739)
Other Assets	0	0
Total Assets	(1,835,619)	(779,112)
Current Liabilities:
Accounts payable	0	0
Current maturities of debt	0	0
Current liabilites due to affiliates	(1,058,899)	(559,629)
Accrued expenses and other	0	0
Total Current Liabilities	(1,058,899)	(559,629)
Long-term debt	0	0
Long-term liabilities due from affiliates	(599,000)	(41,750)
Deferred Taxes	0	6,997
Other Liabilities	0	6
Total Liabilities	(1,657,899)	(594,376)
Series C convertible preferred stock	0	0
Stockholder's equity	(177,720)	(184,736)
Total Liabilities and Stockholders Equity	$ (1,835,619)	$ (779,112)