Current report filing

Related Party Transactions - Additional Information (Detail)

v3.21.2
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Corporate Joint Venture [Member] | Operating Lease Rental Payments [Member]      
Related Party Transaction [Line Items]      
Related party sales $ 310 $ 305 $ 295
Corporate Joint Venture [Member] | Sales from Partnership to Company [Member]      
Related Party Transaction [Line Items]      
Purchase from related party 861 803 645
Corporate Joint Venture [Member] | Manufacturing Costs [Member]      
Related Party Transaction [Line Items]      
Related party sales 16,065 19,976 16,869
Corporate Joint Venture [Member] | Services [Member]      
Related Party Transaction [Line Items]      
Related party sales 12,229 12,871 12,727
Corporate Joint Venture [Member] | Product Demonstration Costs [Member]      
Related Party Transaction [Line Items]      
Related party sales 1,853 2,204 1,768
INEOS Capital Partners [Member]      
Related Party Transaction [Line Items]      
Related party sales $ 11,212 $ 4,154 $ 5,664