Debt - Summary (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Feb. 28, 2023	Dec. 31, 2022	Jan. 31, 2017
Debt
Long-term Debt, Gross	$ 2,527,132			$ 2,559,996
Less: deferred financing costs	25,793			22,456
Long-term debt	2,501,339			2,537,540
Gain on repurchase of debt	$ 25,202	$ 1,636
5.10% senior notes due September 2023
Debt
Long-term Debt, Gross				$ 52,004
Interest rate on senior notes (as a percent)	5.10%			5.10%
Principal amount of notes repurchased	$ 52,100
0.75% senior exchangeable notes due January 2024
Debt
Long-term Debt, Gross	$ 155,529			$ 177,005
Interest rate on senior notes (as a percent)	0.75%			0.75%	0.75%
Long-term debt	$ 155,500			$ 177,000
5.75% senior notes due February 2025
Debt
Long-term Debt, Gross	$ 474,092			$ 474,092
Interest rate on senior notes (as a percent)	5.75%			5.75%
9.00% senior priority guaranteed notes due February 2025
Debt
Long-term Debt, Gross				$ 209,384
Interest rate on senior notes (as a percent)				9.00%
7.25% senior guaranteed notes due January 2026
Debt
Long-term Debt, Gross	$ 557,902			$ 557,902
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%
1.75% senior exchangeable notes due June 2029
Debt
Long-term Debt, Gross	$ 250,000
Interest rate on senior notes (as a percent)	1.75%		1.75%
Long-term debt	$ 250,000
Senior Notes
Debt
Principal amount of notes repurchased	230,900
Repurchase amount including principal and accrued interest	236,800
Unamortized premium	4,700
Accrued and unpaid interest	1,900
Senior Notes | Other, net
Debt
Gain on repurchase of debt	25,200
Senior Notes | 9.00% senior priority guaranteed notes due February 2025
Debt
Portion of gain on repurchase of debt attributable to accrued interest	$ 24,500