Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Commitments and Contingencies - Operating Leases - Additional Information (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Jan. 08, 2019
ft²
Mar. 31, 2015
ft²
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Nov. 30, 2019
USD ($)
Jan. 01, 2019
USD ($)
Lessee Lease Description [Line Items]            
Operating lease, right-of-use asset     $ 14,831 $ 15,821    
Operating lease liability     $ 26,041      
Loss from continuing operations       100    
Operating lease termination     As of December 31, 2019, the 2015 Lease had terminated and all obligations relating the 2015 Lease were satisfied in full with no remaining balances as of that date.      
Operating lease liability, short term     $ 1,463 1,037    
Operating lease liability, long-term     $ 24,578 24,018    
Accounting Standards Update 2016-02            
Lessee Lease Description [Line Items]            
Operating lease, right-of-use asset       15,800 $ 200 $ 1,500
Operating lease liability         $ 200 $ 2,200
Operating lease liability, long-term       15,800    
Net of tenant allowances expected to be received       $ 9,300    
Lease operating, discounted borrowing rate       9.30%    
Lease practical expedient       true    
Operating Lease, March 2015            
Lessee Lease Description [Line Items]            
Area of office and laboratory space leased | ft²   21,488        
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     1,400 $ 1,000    
Operating lease liability, long-term     $ 24,600 $ 24,000