Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Schedule of Borrowings) (Details)

v3.20.2
Borrowings (Schedule of Borrowings) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Oct. 03, 2016
Principal components:      
Total principal outstanding $ 3,225,000 $ 3,185,000  
Unamortized deferred financing costs for Senior Notes (12,346) (14,359)  
Total carrying value of borrowings 3,190,273 3,186,109  
Deferred financing costs 24,850 22,233  
Senior Secured Revolving Credit Facility due 2024      
Principal components:      
Total principal outstanding 1,025,000 1,285,000  
Deferred financing costs $ 24,900 22,200  
9.00% Second Lien Senior Secured Notes due 2025      
Principal components:      
Debt instrument, interest rate, stated (as a percent) 9.00%    
Total principal outstanding $ 300,000 0  
Premium on senior unsecured notes, net of accumulated amortization (35,270) 0  
6.25% Senior Notes due 2023      
Principal components:      
Debt instrument, interest rate, stated (as a percent)     6.25%
Total principal outstanding 650,000 650,000  
Premium on senior unsecured notes, net of accumulated amortization $ 3,818 4,838  
6.25% Senior Notes due 2023 | Unsecured debt      
Principal components:      
Debt instrument, interest rate, stated (as a percent) 6.25%   6.25%
6.125% Senior Notes due 2024      
Principal components:      
Debt instrument, interest rate, stated (as a percent)     6.125%
Total principal outstanding $ 600,000 600,000  
Premium on senior unsecured notes, net of accumulated amortization $ 4,500 5,344  
6.125% Senior Notes due 2024 | Unsecured debt      
Principal components:      
Debt instrument, interest rate, stated (as a percent) 6.125%    
8.25% Senior Notes due 2025      
Principal components:      
Total principal outstanding $ 250,000 250,000  
Premium on senior unsecured notes, net of accumulated amortization $ 4,571 5,286  
8.25% Senior Notes due 2025 | Unsecured debt      
Principal components:      
Debt instrument, interest rate, stated (as a percent) 8.25%    
6.375% Senior Unsecured Notes due 2026      
Principal components:      
Total principal outstanding $ 400,000 $ 400,000  
6.375% Senior Unsecured Notes due 2026 | Unsecured debt      
Principal components:      
Debt instrument, interest rate, stated (as a percent) 6.375%