Summary of Long-Term Debt (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Obligations under finance leases	$ 72,693	$ 75,595
2.65% Senior Secured Notes due 2030
Debt Instrument [Line Items]
Debt instruments, maturity date	2030	2030
Senior notes, interest rate	2.65%	2.65%
Unamortized discount	$ 1,517	$ 1,742
1.65% Senior Secured Notes due 2026
Debt Instrument [Line Items]
Debt instruments, maturity date	2026
Senior notes, interest rate	1.65%
Unamortized discount	$ 463	638
2.65% Senior Secured Notes due 2032
Debt Instrument [Line Items]
Debt instruments, maturity date	2032
Senior notes, interest rate	2.65%
Unamortized discount	$ 994	1,124
Notes And Mortgages Payable
Debt Instrument [Line Items]
Obligations under finance leases	$ 72,693	$ 75,595
Weighted average interest	3.50%	3.60%
Term Loans With Varying Maturities
Debt Instrument [Line Items]
Debt instruments, maturity date		2099