Operating Lease Right-of-Use Assets - Schedule of Right-of-Use Assets Associated with Operating Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Operating lease right-of-use asset, gross	$ 5,022
Accumulated amortization	(759)
Operating lease right-of-use assets, net	4,263	$ 0
Land [Member]
Property Plant And Equipment [Line Items]
Operating lease right-of-use asset, gross	2,700
Buildings [Member]
Property Plant And Equipment [Line Items]
Operating lease right-of-use asset, gross	1,506
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Operating lease right-of-use asset, gross	329
Other [Member]
Property Plant And Equipment [Line Items]
Operating lease right-of-use asset, gross	$ 487