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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Lease Disclosure [Line Items]    
Leases not yet commenced Company did not have any leases that had not yet commenced.  
Cash paid for operating lease liabilities $ 0.4 $ 1.2
Office Space    
Lease Disclosure [Line Items]    
Lease term expiration date Mar. 31, 2027  
Lease option to extend The remaining lease terms vary from a few months to 6 years. For certain of its leases the Company has options to extend the lease term for periods varying from one to five years.  
Option to extend true  
Lease incentives received $ 0.4  
Extended term of leases 3 months  
Office Space | Maximum    
Lease Disclosure [Line Items]    
Lease term 6 years  
Operating lease, renewal term 5 years  
Office Space | Minimum    
Lease Disclosure [Line Items]    
Operating lease, renewal term 1 year