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Fair Value Measurements - Debt instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Nov. 30, 2022 | Jan. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021 | Jan. 31, 2017
--- | --- | --- | --- | --- | --- | ---
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 2,559,996 |  |  | $ 3,293,600 |  |
Less: Deferred financing costs | 22,456 |  |  | 30,805 |  |
Long-term debt | 2,537,540 |  |  | 3,262,795 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 2,455,050 |  |  | $ 3,206,746 |  |
5.50% senior notes due January 2023 |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Interest rate on senior notes (as a percent) | 5.50% | 5.50% |  | 5.50% |  |
Effective Interest Rate | 6.13% |  |  | 5.87% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt |  |  |  | $ 24,446 |  |
Fair Value |  |  |  |  |  |
Debt at fair value |  |  |  | $ 24,736 |  |
5.10% senior notes due September 2023 |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Interest rate on senior notes (as a percent) | 5.10% |  |  | 5.10% |  |
Effective Interest Rate | 5.46% |  |  | 5.42% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 52,004 |  |  | $ 82,703 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 51,354 |  |  | $ 84,044 |  |
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% |  | 0.75%
Effective Interest Rate | 0.97% |  |  | 5.90% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 177,005 |  |  | $ 259,839 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 164,898 |  |  | $ 257,730 |  |
5.75% senior notes due February 2025 |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Interest rate on senior notes (as a percent) | 5.75% |  |  | 5.75% |  |
Effective Interest Rate | 6.02% |  |  | 6.03% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 474,092 |  |  | $ 548,458 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 454,773 |  |  | $ 508,881 |  |
6.50% senior priority guaranteed notes due February 2025 |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Interest rate on senior notes (as a percent) |  |  | 6.50% | 6.50% |  |
Effective Interest Rate |  |  |  | 6.50% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt |  |  |  | $ 50,485 |  |
Fair Value |  |  |  |  |  |
Debt at fair value |  |  |  | $ 50,490 |  |
9.00% senior priority guaranteed notes due February 2025 |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Interest rate on senior notes (as a percent) | 9.00% |  |  | 9.00% | 9.00% |
Effective Interest Rate | 9.00% |  |  | 9.00% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 209,384 |  |  | $ 218,082 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 213,507 |  |  | $ 226,914 |  |
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% |  |
Effective Interest Rate | 7.52% |  |  | 7.52% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 557,902 |  |  | $ 559,978 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 529,432 |  |  | $ 522,079 |  |
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% |  |
Effective Interest Rate | 7.74% |  |  | 7.74% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 700,000 |  |  | $ 700,000 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 686,686 |  |  | $ 724,906 |  |
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% |  |
Effective Interest Rate | 7.70% |  |  | 7.70% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt | $ 389,609 |  |  | $ 389,609 |  |
Fair Value |  |  |  |  |  |
Debt at fair value | $ 354,400 |  |  | $ 346,966 |  |
2018 revolving credit facility |  |  |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |  |
Effective Interest Rate |  |  |  | 3.72% |  |
Carrying Value |  |  |  |  |  |
Gross carrying value of debt |  |  |  | $ 460,000 |  |
Fair Value |  |  |  |  |  |
Debt at fair value |  |  |  | $ 460,000 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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