XML 55 R42.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments - Facility Lease Agreement Additional Information (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Apr. 30, 2021
ft²
Dec. 31, 2020
USD ($)
Other Commitments [Line Items]              
Not yet commenced, renewal term 127 months 15 days   127 months 15 days   127 months 15 days    
Annual base rent $ 0.9            
Abatement period 9 months            
Lease payments, annual increase, final year total $ 1.2            
Tenant incentives $ 2.4            
Current renewal term 5 years   5 years   5 years    
Amount of square footage | ft²           25,000  
Lease term           11 years  
Rent expense   $ 0.6 $ 0.2 $ 0.8 $ 0.3    
Facility Lease Agreement Letter of Credit | Letter of Credit              
Other Commitments [Line Items]              
Letter of credit issued   $ 0.5   $ 0.5     $ 0.5