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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 28, 2021	Mar. 04, 2021	Dec. 31, 2020
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative financial instruments	$ 26,392			$ 8,913
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative financial instruments	$ 627,166			$ 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	$ 425,000			$ 500,000
Long-term debt, fair value	425,000			500,000
Level 1 | 7.5% Senior Notes due 2025
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Long-term debt, carrying value	194,339			473,728
Long-term debt, fair value	253,871			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	1,257,067			0
Long-term debt, fair value	1,348,438			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	1,007,219			0
Derivative Financial Instruments | Level 2 and Level 3
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Derivative financial instruments	26,734			9,574
Derivative financial asset, Fair value	26,734			9,574
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Derivative financial instruments	677,293			49,369
Derivative financial liabilities, fair value	$ 677,293			$ 49,369

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Contractual interest rate for funds borrowed, under the debt agreement.

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