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Commitments and Contingencies - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
ft²
lease
Dec. 31, 2021
USD ($)
ft²
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Operating Leased Assets [Line Items]        
Lessee, operating lease, area of land under lease 13,500      
Lease, cost | $   $ 3.4 $ 3.4 $ 3.2
Number of lease agreements entered into | lease 2      
Minimum purchase obligation | $   $ 47.4    
Minimum        
Operating Leased Assets [Line Items]        
Operating lease, remaining lease term   1 year 10 months 24 days    
Maximum        
Operating Leased Assets [Line Items]        
Operating lease, remaining lease term   8 years    
San Diego, California        
Operating Leased Assets [Line Items]        
Lessee, operating lease, area of land under lease   82,200    
Plymouth Meeting, Pennsylvania        
Operating Leased Assets [Line Items]        
Lessee, operating lease, area of land under lease   57,360