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Restructuring - Schedule of Components of Restructuring Expenses Including in Condensed Consolidated Statements of Income (Loss) (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Restructuring Cost And Reserve [Line Items]          
Total restructuring expenses $ 8 $ 1,192 $ 309 $ 1,745 $ 6,229
Cost of Revenue [Member]          
Restructuring Cost And Reserve [Line Items]          
Total restructuring expenses   22 15 56  
Selling, General and Administrative Expenses [Member]          
Restructuring Cost And Reserve [Line Items]          
Total restructuring expenses 3 489 145 572  
Research and Development Expenses [Member]          
Restructuring Cost And Reserve [Line Items]          
Total restructuring expenses $ 5 $ 681 $ 149 $ 1,117