Chapter 11 Proceedings, Ability to Continue as a Going Concern (Details) - USD ($)	3 Months Ended				12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Liabilities Subject To Compromise [Abstract]
Accounts Payable	$ 1,322,000				$ 1,322,000
Accrued Liabilities	6,303,000				6,303,000
Accrued interest payable	99,774,000				99,774,000
Debt	3,759,000,000				3,759,000,000
Other Terminated Contracts	171,642,000				171,642,000
Liabilities Subject To Compromise	4,038,041,000				4,038,041,000	$ 0
Reorganization Items [Abstract]
Professional Fees					11,781,000	0	$ 0
Deferred Financing Costs					18,742,000	0	0
Contract Settlements					17,350,000
Other					(370,000)	0	0
Reorganization items, net	$ 22,211,000	$ 3,109,000	$ 22,183,000	$ 0	$ 47,503,000	$ 0	$ 0