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Stock-Based Compensation - Summary of Stock-Based Compensation Expense Related to Stock Option Awards (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expenses $ 2,090 $ 4,971 $ 9,175
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expenses $ 1,850 $ 3,371 $ 6,035