Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Operating Leases - Additional Information (Details)

v3.21.2
Commitments and Contingencies - Operating Leases - Additional Information (Details)
$ in Thousands
 9 Months Ended
Jan. 08, 2019
ft²
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Lessee Lease Description [Line Items]      
Operating lease, right-of-use asset   $ 14,299 $ 14,831
Operating lease liability, short term   1,653 1,463
Operating lease liability, long-term   23,317 $ 24,578
Accounting Standards Update 2016-02      
Lessee Lease Description [Line Items]      
Operating lease, right-of-use asset   15,800  
Operating lease liability, long-term   $ 15,800  
Lease operating, discounted borrowing rate   9.30%  
Net of tenant allowances expected to be received   $ 9,300  
Lease practical expedient   true  
Operating Lease, January 2019      
Lessee Lease Description [Line Items]      
Area of office and laboratory space leased | ft² 52,859    
Term of option to extend the lease   10 years  
Letter of credit outstanding   $ 3,100  
Operating Lease, January 2019 | Accounting Standards Update 2016-02      
Lessee Lease Description [Line Items]      
Operating lease liability, short term   1,700  
Operating lease liability, long-term   $ 23,300