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Fair Value Measurements - Debt Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Nov. 10, 2025	Dec. 31, 2024
Carrying Value
Gross carrying value of debt	$ 2,529,146		$ 2,539,609
Less: current portion	377,492
Less: deferred financing costs	34,467		34,392
Long-term debt	$ 2,117,187		$ 2,505,217
7.375% senior priority guaranteed notes due May 2027
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	7.375%		7.375%
Effective Interest Rate	7.04%		7.74%
Carrying Value
Gross carrying value of debt			$ 700,000
7.50% senior guaranteed notes due January 2028
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	7.50%		7.50%
Effective Interest Rate	7.82%		7.70%
Carrying Value
Gross carrying value of debt	$ 379,146		$ 389,609
1.75% senior exchangeable notes due June 2029
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	1.75%		1.75%
Effective Interest Rate	2.27%		2.27%
Carrying Value
Gross carrying value of debt	$ 250,000		$ 250,000
9.125% senior priority guaranteed notes due January 2030
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	9.125%		9.125%
Effective Interest Rate	9.40%		9.40%
Carrying Value
Gross carrying value of debt	$ 650,000		$ 650,000
8.875% Senior Guaranteed Notes due August 2031
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	8.875%		8.875%
Effective Interest Rate	9.12%		9.12%
Carrying Value
Gross carrying value of debt	$ 550,000		$ 550,000
7.625% senior priority guaranteed notes due November 2032
Fair Value of Debt Instruments
Interest rate on senior notes (as a percent)	7.625%	7.625%
Effective Interest Rate	7.88%
Carrying Value
Gross carrying value of debt	$ 700,000
Carrying Value
Carrying Value
Gross carrying value of debt	2,529,146		$ 2,539,609
Less: current portion	377,492
Less: deferred financing costs	34,467		34,392
Long-term debt	2,117,187		2,505,217
Carrying Value \| 7.375% senior priority guaranteed notes due May 2027
Carrying Value
Gross carrying value of debt	0		700,000
Carrying Value \| 7.50% senior guaranteed notes due January 2028
Carrying Value
Gross carrying value of debt	379,146		389,609
Carrying Value \| 1.75% senior exchangeable notes due June 2029
Carrying Value
Gross carrying value of debt	250,000		250,000
Carrying Value \| 9.125% senior priority guaranteed notes due January 2030
Carrying Value
Gross carrying value of debt	650,000		650,000
Carrying Value \| 8.875% Senior Guaranteed Notes due August 2031
Carrying Value
Gross carrying value of debt	550,000		550,000
Carrying Value \| 7.625% senior priority guaranteed notes due November 2032
Carrying Value
Gross carrying value of debt	700,000
Fair Value
Fair Value
Debt at fair value	2,487,180		2,414,792
Fair Value \| 7.375% senior priority guaranteed notes due May 2027
Fair Value
Debt at fair value	0		699,916
Fair Value \| 7.50% senior guaranteed notes due January 2028
Fair Value
Debt at fair value	379,491		362,823
Fair Value \| 1.75% senior exchangeable notes due June 2029
Fair Value
Debt at fair value	202,868		179,548
Fair Value \| 9.125% senior priority guaranteed notes due January 2030
Fair Value
Debt at fair value	683,293		661,401
Fair Value \| 8.875% Senior Guaranteed Notes due August 2031
Fair Value
Debt at fair value	533,638		511,104
Fair Value \| 7.625% senior priority guaranteed notes due November 2032
Fair Value
Debt at fair value	$ 687,890