XML 50 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Long-Term Debt - Long-term Debt (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Debt issuance costs, net of amortization $ (32,278)  
Long-term Debt 2,501,803 $ 2,500,132
Bank Credit Facility    
Debt Instrument [Line Items]    
Principal 800,000  
7½% Senior Notes due 2025    
Debt Instrument [Line Items]    
Principal 619,400  
Discount, net of amortization (157,104)  
9.75% Senior Notes due 2026    
Debt Instrument [Line Items]    
Principal 1,350,000  
Discount, net of amortization $ (78,215)