Property, Plant and Equipment - Additional Information (Detail) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Assets			$ 10,377
Net Book Value of Disposed Property Plant and Equipment			5,446
Tangible Asset Impairment Charges	$ 17,246	$ 23,139	$ 42,915
Property, Plant and Equipment [Member]
Property, Plant and Equipment [Line Items]
Tangible Asset Impairment Charges	13,084	21,968
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Tangible Asset Impairment Charges	$ 4,162	$ 1,171