Debt - Summary (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Mar. 21, 2022	Dec. 31, 2021	Jun. 30, 2021	Jan. 31, 2017
Debt
Long-term Debt, Gross	$ 2,627,567		$ 3,293,600
Less: Deferred financing costs	(26,057)		(30,805)
Long-term Debt	2,601,510		3,262,795
Principal amount of notes repurchased	51,500
Repurchase amount	52,300
Payment of accrued and unpaid interest	800
Maturity value of notes tendered by warrant holders	131,700
Other, net
Debt
Gain on repurchase of debt	2,000
5.50% senior notes due January 2023
Debt
Long-term Debt, Gross	$ 21,116		$ 24,446
Interest rate on senior notes (as a percent)	5.50%		5.50%
5.10% senior notes due September 2023
Debt
Long-term Debt, Gross	$ 53,622		$ 82,703
Interest rate on senior notes (as a percent)	5.10%		5.10%
0.75% senior exchangeable notes due January 2024
Debt
Long-term Debt, Gross	$ 177,005		$ 259,839
Interest rate on senior notes (as a percent)	0.75%	0.75%	0.75%	0.75%	0.75%
Long-term Debt	$ 177,000		$ 287,300
5.75% senior notes due February 2025
Debt
Long-term Debt, Gross	$ 518,071		$ 548,458
Interest rate on senior notes (as a percent)	5.75%		5.75%	5.75%
6.50% senior priority guaranteed notes due February 2025
Debt
Long-term Debt, Gross			$ 50,485
Interest rate on senior notes (as a percent)			6.50%
9.00% senior priority guaranteed notes due February 2025
Debt
Long-term Debt, Gross	$ 210,242		$ 218,082
Interest rate on senior notes (as a percent)	9.00%		9.00%
7.25% senior guaranteed notes due January 2026
Debt
Long-term Debt, Gross	$ 557,902		$ 559,978
Interest rate on senior notes (as a percent)	7.25%		7.25%
7.375% senior priority guaranteed notes due May 2027
Debt
Long-term Debt, Gross	$ 700,000		$ 700,000
Interest rate on senior notes (as a percent)	7.375%		7.375%
7.50% senior guaranteed notes due January 2028
Debt
Long-term Debt, Gross	$ 389,609		$ 389,609
Interest rate on senior notes (as a percent)	7.50%		7.50%
2018 revolving credit facility
Debt
Long-term Debt, Gross			$ 460,000