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Product Warranty - Reconciliation of Reserve for Warranty Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Guarantees [Abstract]    
Warranty policy term 2 years  
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Beginning balance $ 9,636 $ 7,610
Provision 1,808 2,479
Provision liability assumed from acquisition 0 2,327
Claims paid/costs incurred (1,653) (1,633)
Ending balance $ 9,791 $ 10,783