Quarterly report pursuant to Section 13 or 15(d)

Borrowings (Schedule of Borrowings) (Details)

v3.21.1
Borrowings (Schedule of Borrowings) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Principal components:    
Total principal outstanding $ 2,977,641 $ 3,012,641
Unamortized deferred financing costs for Senior Notes (6,492) (7,019)
Total carrying value of borrowings 2,937,239 2,969,264
Deferred financing costs 22,177 23,643
Senior Secured Revolving Credit Facility due 2024    
Principal components:    
Total principal outstanding 950,000 985,000
Deferred financing costs $ 22,200 23,600
Second Lien Notes    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 9.00%  
Total principal outstanding $ 516,659 516,659
Premium on senior unsecured notes, net of accumulated amortization (39,006) (41,820)
Second Lien Notes | Secured debt    
Principal components:    
Unamortized deferred financing costs for Senior Notes $ (3,662) (3,931)
6.25% Senior Notes    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 6.25%  
Total principal outstanding $ 542,720 542,720
Premium on senior unsecured notes, net of accumulated amortization $ 2,688 2,917
6.25% Senior Notes | Unsecured debt    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 6.25%  
6.125% Senior Notes due 2024    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 6.125%  
Total principal outstanding $ 460,241 460,241
Premium on senior unsecured notes, net of accumulated amortization $ 3,020 3,236
6.125% Senior Notes due 2024 | Unsecured debt    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 6.125%  
8.25% Senior Notes    
Principal components:    
Total principal outstanding $ 187,238 187,238
Premium on senior unsecured notes, net of accumulated amortization $ 3,050 3,240
8.25% Senior Notes | Unsecured debt    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 8.25%  
6.375% Senior Notes    
Principal components:    
Total principal outstanding $ 320,783 $ 320,783
6.375% Senior Notes | Unsecured debt    
Principal components:    
Debt instrument, interest rate, stated (as a percent) 6.375%