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Leases - Narrative (Details)
ft² in Thousands, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 28, 2022
USD ($)
ft²
renewal_option
$ / ft²
Jan. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Lessee, Lease, Description [Line Items]            
Short-term lease costs (less than)     $ 0.1 $ 0.1 $ 0.1 $ 0.1
Operating lease expense     1.7 1.8 3.5 3.7
Finance lease expense (less than)     $ 0.1 $ 0.1 $ 0.1 $ 0.1
25 Network Drive, Burlington, Massachusetts            
Lessee, Lease, Description [Line Items]            
Area of real estate property | ft² 126          
Lease comment, grace period 12 months          
Rent start date, term 13 months          
Term of contract 144 months          
Number of renewal options | renewal_option 1          
Lease option to extend term 10 years          
Annual lease per square foot | $ / ft² 57          
Annual lease increase limit, percentage 2.50%          
Tenant improvement allowance per square foot | $ / ft² 200          
Tenant improvement allowance $ 25.1          
Letter of credit cash deposit   $ 6.0        
Letter of credit cash deposit lease year three   4.2        
Letter Of Credit Cash Deposit Lease Year Six   $ 1.8        
Minimum | 25 Network Drive, Burlington, Massachusetts            
Lessee, Lease, Description [Line Items]            
Contractual lease payments 0.6          
Maximum | 25 Network Drive, Burlington, Massachusetts            
Lessee, Lease, Description [Line Items]            
Contractual lease payments $ 0.8