XML 84 R52.htm IDEA: XBRL DOCUMENT v3.22.0.1
Leases - Additional Information (Details)
$ in Millions
12 Months Ended
Jun. 15, 2021
USD ($)
ft²
Dec. 31, 2019
Standby Letters of Credit    
Lessee Lease Description [Line Items]    
Increase in irrevocable line of credit facility $ 2.4  
First Lease Amendment    
Lessee Lease Description [Line Items]    
Additional space leased | ft² 10,262  
Aggregate total fixed rent payments $ 8.2  
Operating lease, commencement period first quarter of 2022  
Second Lease Amendment    
Lessee Lease Description [Line Items]    
Additional space leased | ft² 30,175  
Aggregate total fixed rent payments $ 21.9  
Operating lease estimated to commence period second quarter of 2022  
Cambridgepark Lease    
Lessee Lease Description [Line Items]    
Lease term   10 years
Lessee, Operating Lease, Existence of Option to Extend [true false]   false
Minimum | First Lease Amendment    
Lessee Lease Description [Line Items]    
Increase in annual fixed rental payments $ 0.9  
Minimum | Second Lease Amendment    
Lessee Lease Description [Line Items]    
Increase in annual fixed rental payments 1.2  
Maximum | First Lease Amendment    
Lessee Lease Description [Line Items]    
Increase in annual fixed rental payments 1.1  
Maximum | Second Lease Amendment    
Lessee Lease Description [Line Items]    
Increase in annual fixed rental payments $ 3.0