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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Lessee Lease Description [Line Items]    
Lease obligations for additional leases not yet commenced $ 15.6  
Operating leases not yet commenced, start year 2021  
Operating leases not yet commenced, end year 2022  
Operating lease liabilities $ 17.0 $ 21.1
Lease liabilities arising from obtaining operating lease right-of-use assets $ 9.4  
Minimum    
Lessee Lease Description [Line Items]    
Operating leases, terms 1 year  
Maximum    
Lessee Lease Description [Line Items]    
Operating leases, terms 5 years