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Related Party Transactions - Schedule of Related Party Transactions (Detail) - Affiliated Entity - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]      
Sales $ 3,987 $ 13,488 $ 12,636
Purchases 1,841 1,810 1,587
Rent $ 1,125 $ 1,040 $ 1,099