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Commitments and Contingencies - Schedule of Lease Term and Discount Rate (Detail)
Jun. 30, 2021
Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract]    
Weighted average remaining lease term (in years) 1 year 6 months 1 year 10 months 24 days
Weighted average discount rate 7.30% 7.50%