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Fair Value Measurements - Debt Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Jan. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Carrying Value |  |  |
Gross carrying value of debt | $ 2,545,511 |  | $ 3,175,132
Less: current portion |  |  | 629,621
Less: deferred financing costs | 33,336 |  | 33,992
Long-term debt | 2,512,175 |  | 2,511,519
Fair Value |  |  |
Debt at fair value | $ 2,480,524 |  | $ 3,028,307
0.75% senior exchangeable notes due January 2024 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 0.75% |  | 0.75%
Carrying Value |  |  |
Gross carrying value of debt |  |  | $ 155,529
Fair Value |  |  |
Debt at fair value |  |  | $ 154,989
5.75% senior notes due February 2025 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 5.75% | 5.75% | 5.75%
Carrying Value |  |  |
Gross carrying value of debt |  |  | $ 474,092
Fair Value |  |  |
Debt at fair value |  |  | $ 474,120
7.25% senior guaranteed notes due January 2026 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 7.25% |  | 7.25%
Carrying Value |  |  |
Gross carrying value of debt | $ 555,902 |  | $ 555,902
Fair Value |  |  |
Debt at fair value | $ 552,661 |  | $ 535,328
7.375% senior priority guaranteed notes due May 2027 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 7.375% |  | 7.375%
Carrying Value |  |  |
Gross carrying value of debt | $ 700,000 |  | $ 700,000
Fair Value |  |  |
Debt at fair value | $ 699,356 |  | $ 687,526
7.50% senior guaranteed notes due January 2028 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 7.50% |  | 7.50%
Carrying Value |  |  |
Gross carrying value of debt | $ 389,609 |  | $ 389,609
Fair Value |  |  |
Debt at fair value | $ 365,087 |  | $ 334,090
1.75% senior exchangeable notes due June 2029 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 1.75% |  | 1.75%
Carrying Value |  |  |
Gross carrying value of debt | $ 250,000 |  | $ 250,000
Fair Value |  |  |
Debt at fair value | $ 187,225 |  | $ 185,383
9.125% senior priority guaranteed notes due January 2030 |  |  |
Fair Value of Financial Instruments |  |  |
Interest rate on senior notes (as a percent) | 9.125% |  | 9.125%
Carrying Value |  |  |
Gross carrying value of debt | $ 650,000 |  | $ 650,000
Fair Value |  |  |
Debt at fair value | $ 676,195 |  | $ 656,871

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