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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 28, 2021 | Mar. 04, 2021 | Dec. 31, 2020 | Jun. 30, 2020
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Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |  |  |
Derivative financial instruments | $ 10,765 |  |  | $ 8,913 |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Derivative financial instruments | $ 255,127 |  |  | 47,005 |
7.5% Senior Notes due 2025 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Interest rate on debt instrument | 7.50% |  | 7.50% |  |
9.75% Senior Notes due 2026 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Interest rate on debt instrument |  |  | 9.75% |  | 9.75%
6.75% Senior Notes due 2029: |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Interest rate on debt instrument | 6.75% |  | 6.75% |  |
5.875% senior notes due 2030 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Interest rate on debt instrument | 5.875% | 5.875% |  |  |
Bank Credit Facility |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Long-term debt, Carrying Value | $ 475,000 |  |  | 500,000 |
Long-term debt, Fair Value | 475,000 |  |  | 500,000 |
Level 1 | 7.5% Senior Notes due 2025 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Long-term debt, Carrying Value | 191,774 |  |  | 473,728 |
Long-term debt, Fair Value | 253,565 |  |  | 628,691 |
Level 1 | 9.75% Senior Notes due 2026 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Long-term debt, Carrying Value | 0 |  |  | 1,577,824 |
Long-term debt, Fair Value | 0 |  |  | 1,769,625 |
Level 1 | 6.75% Senior Notes due 2029: |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Long-term debt, Carrying Value | 1,257,257 |  |  | 0 |
Long-term debt, Fair Value | 1,328,125 |  |  | 0 |
Level 1 | 5.875% senior notes due 2030 |  |  |  |  |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Long-term debt, Carrying Value | 965,000 |  |  | 0 |
Long-term debt, Fair Value | 984,300 |  |  | 0 |
Derivative Financial Instruments | Level 2 and Level 3 |  |  |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |  |  |
Derivative financial instruments | 11,595 |  |  | 9,574 |
Derivative financial asset, Fair value | 11,595 |  |  | 9,574 |
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |  |  |  |
Derivative financial instruments | 269,284 |  |  | 49,369 |
Derivative financial liabilities, Fair value | $ 269,284 |  |  | $ 49,369 |

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