Leases - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2020 Country
Operating Leased Assets [Line Items]
Number of countries leases reside	5
Percentage of value of leases property	97.00%
Minimum [Member]
Operating Leased Assets [Line Items]
Lessee, operating lease, term of contract	1 year
Maximum [Member]
Operating Leased Assets [Line Items]
Lessee, operating lease, term of contract	10 years
Railcars [Member]
Operating Leased Assets [Line Items]
Percentage of lease asset categories	43.00%
Real Estate [Member]
Operating Leased Assets [Line Items]
Percentage of lease asset categories	34.00%
Real Estate [Member] | Minimum [Member]
Operating Leased Assets [Line Items]
Lessee, operating lease, term of contract	1 year
Real Estate [Member] | Maximum [Member]
Operating Leased Assets [Line Items]
Lessee, operating lease, term of contract	50 years