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Goodwill - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]        
Goodwill   $ 17,558   $ 17,558
Adjustment to goodwill   $ 0    
Impairment of goodwill $ 14,700   $ 14,688