Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Details)

v3.21.2
Debt - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Jan. 11, 2021
Sep. 30, 2021
Oct. 31, 2019
Apr. 30, 2019
Jan. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]            
Long Term Debt Term   6 years        
Uber Elevate [Member]            
Debt Instrument [Line Items]            
Proceeds from Issuance of Convertible Preferred Stock $ 75.0          
Derivative, Fixed Interest Rate 5.00%          
Debt conversion converted instrument amount $ 75.0          
Debt converted into common stock 7,716,780          
Accrued and unpaid interest on the debt $ 2.2          
Tenant Improvement Loan            
Debt Instrument [Line Items]            
Debt instrument face value   $ 1.6        
Loans and Leases Receivable, Loans in Process     $ 1.1 $ 1.1 $ 1.1 $ 0.5
Period Within Which The Loan Is Repayable InCase Of Termination   30 days        
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate   8.00%        
Average effective interest rate   8.10%