Long-Term Debt - Summary of Debt (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total	$ 1,242,061	$ 1,246,086
Less deferred financing costs and discounts	(8,597)	(8,919)
Less current portion	(12,406)	(12,226)
Total	$ 1,221,058	1,224,941
3.95% Senior Notes Due 2028
Debt Instrument [Line Items]
Debt interest rate	3.95%
Total	$ 482,505	482,505
5.15% Senior Notes Due 2029
Debt Instrument [Line Items]
Debt interest rate	5.15%
Total	$ 344,895	344,895
7.15% Senior Notes Due 2033
Debt Instrument [Line Items]
Debt interest rate	7.15%
Total	$ 400,000	400,000
Equipment Loans Due 2025
Debt Instrument [Line Items]
Total	$ 14,661	$ 18,686