Leases - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) Country
Operating Leased Assets [Line Items]
Right of use asset	$ 40,332
Operating lease, liability	$ 40,336
Number of countries leases reside | Country	4
Percentage of value of leases reside	93.00%
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	49.00%
Real Estate [Member]
Operating Leased Assets [Line Items]
Percentage of lease asset categories	36.00%
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
ASC 842 [Member]
Operating Leased Assets [Line Items]
Right of use asset	$ 42,400
Operating lease, liability	$ 42,400