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Subsequent Events (Narrative) (Details)
6 Months Ended
Jul. 06, 2016
USD ($)
Jun. 30, 2016
USD ($)
Jul. 20, 2016
Jul. 05, 2016
director
Subsequent Event [Line Items]        
Plan of Reorganization, Terms of Plan, Unsecured Note Holders, Cash Distribution to Senior Lenders   $ 115,000,000    
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Unsecured note holders percentage of common stock outstanding upon reorganization (percent) 6.00%      
Warrant exercise period 7 years      
Unsecured note holders election to receive percentage of common stock outstanding upon reorganization (percent) 12.00%      
Unsecured note holders election to receive common stock with a total equity value $ 1,425,000,000      
Unsecured note holders election to receive a pro rata amount of cash 25,000,000      
Unsecured note holders right to receive their pro rata amount of cash to settle claim 22,636,000      
Plan of Reorganization, Terms of Plan, Other General Holders, Pro Rata Amount of Cash to Settle Claim 7,364,000      
Plan of Reorganization, Terms of Plan, Unsecured Note Holders, Cash Distribution to Senior Lenders $ 145,000,000      
Other general holders reduction in percentage of common stock outstanding upon reorganization (percent) 6.00%      
Senior management's waiver to receive incentive compensation $ 6,000,000      
Number of directors | director       7
Unused commitment fee (percent)     5.00%  
Subsequent Event [Member] | Director [Member]        
Subsequent Event [Line Items]        
Number of directors | director       6
Subsequent Event [Member] | GSO Capital [Member]        
Subsequent Event [Line Items]        
Amount paid to settle claim $ 5,000,000