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Property and Equipment, Net - Schedule of Property and Equipment (Parenthetical) (Details) - Leasehold Improvements
9 Months Ended
Sep. 30, 2020
Property Plant And Equipment [Line Items]  
Property and equipment, useful life in years 9 years [1]
Maximum  
Property Plant And Equipment [Line Items]  
Lease term 9 years
Property and equipment, useful life in years 9 years
[1] Lesser of the lease term or the estimated useful lives of the improvements, which may generally be up to 9 years.