Consolidating Financial Information - Additional Information (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2015
May. 02, 2014
May. 02, 2013
Debt Instrument [Line Items]      
Percentage of ownership interest 100.00%    
8.25% Second Priority Senior Secured Obligations Due 2020      
Debt Instrument [Line Items]      
Debt outstanding   $ 355.0  
Interest rate (as a percent)     8.25%