v3.2.0.727
Senior Secured Notes Senior Secured Notes (Details) - USD ($)
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2010
Debt Redemption Percentage      
Debt Instrument, Unamortized Discount $ (6,589,000)    
Senior secured notes, net 307,808,000 $ 309,569,000  
Senior Secured Notes      
Debt Redemption Percentage      
Debt Instrument, Face Amount 307,808,000 309,569,000  
Debt Instrument, Unamortized Discount (6,589,000) (6,828,000)  
Senior Notes, Current 0 0  
Senior secured notes, net 307,808,000 309,569,000  
Senior Secured Notes | First Lien Notes      
Debt Redemption Percentage      
Debt Instrument, Face Amount 273,175,000 275,175,000 $ 385,000,000.0
Senior Secured Notes | Second Lien Notes      
Debt Redemption Percentage      
Debt Instrument, Face Amount 2,198,000 2,198,000 $ 104,900,000.0
Senior Secured Notes | New Second Lien Notes      
Debt Redemption Percentage      
Debt Instrument, Face Amount $ 39,024,000 $ 39,024,000