Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair value | Level 2 market data
Financial Instruments
Value	$ 1,294,074	$ 1,474,146
Fair value | Level 2 market data | 8.375% Senior Notes Due 2026
Financial Instruments
Value	99,534	100,987
Fair value | Level 2 market data | 7.625% Senior Notes Due 2029
Financial Instruments
Value	410,657	410,860
Fair value | Level 2 market data | 5.375% senior notes due 2030
Financial Instruments
Value	552,720	556,260
Fair value | Level 2 market data | 4.25% convertible senior notes due 2026
Financial Instruments
Value	231,163	406,039
Carrying value
Financial Instruments
Value	1,132,795	1,148,676
Carrying value | 8.375% Senior Notes Due 2026
Financial Instruments
Value	96,293	96,123
Carrying value | 7.625% Senior Notes Due 2029
Financial Instruments
Value	403,295	402,872
Carrying value | 5.375% senior notes due 2030
Financial Instruments
Value	594,440	593,908
Carrying value | 4.25% convertible senior notes due 2026
Financial Instruments
Value	$ 38,767	$ 55,773