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Long-term Debt - Principal Amount of Debt by Year of Maturity (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
2024	$ 0
2025	0
2026	0
2027	480,000
2028	0
Thereafter	2,188,880
Long-term debt, gross	2,668,880
Bank Credit Facility [Member]
Debt Instrument [Line Items]
2024	0
2025	0
2026	0
2027	480,000
2028	0
Thereafter
Long-term debt, gross	480,000
6.75% Senior Notes due 2029:
Debt Instrument [Line Items]
2024	0
2025	0
2026	0
2027
2028	0
Thereafter	1,223,880
Long-term debt, gross	$ 1,223,880	$ 1,223,880
Interest rate on debt instrument	6.75%
5.875% Senior Notes due 2030:
Debt Instrument [Line Items]
2024	$ 0
2025	0
2026	0
2027
2028	0
Thereafter	965,000
Long-term debt, gross	$ 965,000	$ 965,000	$ 965,000
Interest rate on debt instrument	5.875%