Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Long-term Debt Instruments Additional Information (Details)

v3.6.0.2
Debt - Schedule of Long-term Debt Instruments Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Oct. 01, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
May 31, 2016
Debt Instrument [Line Items]            
Loss on extinguishment of debt and credit facilities, net     $ 24,229,000 $ 0 $ 0  
Senior Secured Revolving Credit Facility            
Debt Instrument [Line Items]            
Credit facility, unused capacity, commitment fee percentage 0.25%          
Senior Notes | 5.375% Senior Notes Due 2026            
Debt Instrument [Line Items]            
Principal amount $ 1,000,000,000   $ 1,000,000,000     $ 1,000,000,000
Stated interest rate 5.375%   5.375%     5.375%
Debt discount           $ 11,250,000
Senior Notes | 5.875% Senior Notes Due 2020            
Debt Instrument [Line Items]            
Principal amount $ 0   $ 0      
Stated interest rate 5.875% 5.875% 5.875%      
Debt outstanding   $ 650,000,000        
Repurchased debt including premium and interest   669,097,000        
Loss on extinguishment of debt and credit facilities, net   $ 24,229,000        
Senior Secured Notes | 5.25% Senior Notes Due 2022            
Debt Instrument [Line Items]            
Principal amount $ 400,000,000   $ 400,000,000      
Stated interest rate 5.25%   5.25%