Property, Plant & Equipment, Net - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Depreciation and amortization expense		$ 12,500	$ 10,300	$ 10,100
Impairment of long-lived assets		7,300
Loss on disposal of assets	$ 1,800	$ 2,250	$ 286	$ 842
Payment for contract termination	$ 500