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Equity Incentive Plan - Schedule of RSUs Activity for Performance-based RSUs Awarded to Employees Under 2019 Plan (Detail) - 2019 Plan [Member] - Restricted Stock Units [Member]
12 Months Ended
Dec. 31, 2021
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning balance 1,290,432
Granted 477,263
Vested- non-employee directors awards (103,622)
Forfeited (150,181)
Ending balance 1,513,892