Debtors Condensed Combined Financial Statements (Debtors Condensed Combined Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets
Current Assets	$ 137,589	$ 164,754
Property and Equipment, Net ($11,466 not subject to amortization)	343,735	469,509
Other Assets	73	72
Total Assets	576,753	734,576
Liabilities Not Subject To Compromise:
Other	64,496	66,077
Liabilities Subject to Compromise	840,900	841,044
Series C Convertible Preferred Stock - Liquidation Preference: $14,800	17,481	17,481
Stockholders' Equity	(886,841)	(776,141)
Total Liabilities and Stockholders' Equity	576,753	734,576
Property and equipment not subject to amortization	11,466	10,784
Debtors [Member]
Assets
Current Assets	25,592
Property and Equipment, Net ($11,466 not subject to amortization)	30,077
Long-Term Receivables Due from Affiliates	648,801
Investments in Subsidiaries	295,816
Other Assets	9
Total Assets	1,000,295
Liabilities Not Subject To Compromise:
Accrued expenses and other	7,495
Current Liabilities Due to Affiliates	101,386
Other	630
Liabilities Subject to Compromise	840,900
Series C Convertible Preferred Stock - Liquidation Preference: $14,800	17,481
Stockholders' Equity	32,403
Total Liabilities and Stockholders' Equity	1,000,295
Property and equipment not subject to amortization	11,466
Preferred stock liquidation preference	$ 14,800