Sales and Revenues - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Entity Wide Information Revenue From External Customer [Line Items]
Term used to calculate historical weighted average return rate			8 years
Payment to acquire commitment value			$ 934,300,000
Payment to acquire commitment related to lease value			174,300,000
Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Total Operating lease revenue	$ 192,400,000	$ 206,400,000	595,700,000	$ 627,900,000
Financing receivable, recorded investment, 90 days past due and still accruing	0		0		$ 0
Trucks | Truck Sales
Entity Wide Information Revenue From External Customer [Line Items]
Total Operating lease revenue	29,300,000	$ 24,900,000	79,200,000	$ 75,200,000
Deferred revenue	52,700,000		52,700,000
Deferred revenue recognize, in 2022	7,600,000		7,600,000
Deferred revenue recognize, in 2023	24,300,000		24,300,000
Deferred revenue recognize, in 2024	13,100,000		13,100,000
Deferred revenue recognize, in 2025	4,800,000		4,800,000
Deferred revenue recognize, in 2026	$ 2,900,000		$ 2,900,000
Minimum
Entity Wide Information Revenue From External Customer [Line Items]
Lease and guarantee periods (in years)			3 years
Minimum | Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Finance leases, lease term			3 years
Operating lease term	3 years		3 years
Maximum
Entity Wide Information Revenue From External Customer [Line Items]
Lease and guarantee periods (in years)			5 years
Warranty period			5 years
Maximum | Financial Services
Entity Wide Information Revenue From External Customer [Line Items]
Finance leases, lease term			5 years
Operating lease term	5 years		5 years