Quarterly report pursuant to Section 13 or 15(d)

Debt - (Senior Notes) (Details)

v3.20.1
Debt - (Senior Notes) (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Jun. 06, 2019
Debt Instrument [Line Items]      
Debt issued $ 3,071,231,000    
Aggregate outstanding principal 3,213,715,000 $ 3,266,218,000  
2021 Senior Notes | Senior Notes      
Debt Instrument [Line Items]      
Interest rate     6.75%
Aggregate outstanding principal     $ 325,000,000.0
Senior Notes      
Debt Instrument [Line Items]      
Debt issued 775,000,000    
Aggregate unamortized premium $ 20,300,000    
Senior Notes | 2024 Senior Notes      
Debt Instrument [Line Items]      
Debt issued     $ 325,000,000.0
Interest rate     6.625%
Senior Notes | 2025 Senior Notes      
Debt Instrument [Line Items]      
Interest rate     6.875%