Annual report pursuant to Section 13 and 15(d)

SENIOR NOTES, NET - Schedule of Senior and Convertible Senior Notes (Details)

v3.20.4
SENIOR NOTES, NET - Schedule of Senior and Convertible Senior Notes (Details) - Senior Notes [Member] - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Net debt issuance costs $ (6,623) $ (8,327)
Senior and convertible senior notes, net 996,991 996,105
7.00% senior notes due 2022 [Member]    
Debt Instrument [Line Items]    
Senior and convertible senior notes, gross 300,000 300,000
6.00% senior notes due 2025    
Debt Instrument [Line Items]    
Senior and convertible senior notes, gross [1] 403,614 404,432
5.125% senior notes due 2027 [Member]    
Debt Instrument [Line Items]    
Senior and convertible senior notes, gross $ 300,000 $ 300,000
[1] $200.0 million of the total $400.0 million of 6.00% Senior Notes due 2025 outstanding at December 31, 2020 was issued at par and had no unamortized premium.