Leases - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2019 USD ($) Country
Operating Leased Assets [Line Items]
Right of use asset	$ 38,386,000
Operating lease, liability	$ 38,399,000
Number of countries leases reside | Country	5
Percentage of value of leases reside	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	50.00%
Real Estate [Member]
Operating Leased Assets [Line Items]
Percentage of lease asset categories	37.00%
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
Equipment and Railcars [Member]
Operating Leased Assets [Line Items]
Operating lease, liability	$ 537,000
Lessee, operating lease, term of contract	5 years
ASC 842 [Member]
Operating Leased Assets [Line Items]
Right of use asset	$ 42,400,000
Operating lease, liability	$ 42,400,000