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Summary of Significant Accounting Policies - Disaggregation Of Revenue (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Product Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 103,822 $ 81,364
Automotive [Member]    
Product Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 84,481 67,641
Other [Member]    
Product Information [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 19,341 $ 13,723