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Leases Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
renewalOption
Jan. 01, 2019
USD ($)
Lessee, Lease, Description [Line Items]      
Lease renewal term (in years)   5 years  
Weighted average lease term (in years) 5 years 10 months 24 days 5 years 7 months 6 days  
Discount rate 9.70% 9.90%  
Number of extension options | renewalOption   2  
Operating lease payments $ 5.9 $ 6.4  
Operating lease, ROU Assets $ 19.3 $ 20.2 $ 16.4
Minimum      
Lessee, Lease, Description [Line Items]      
Lease renewal term (in years) 5 years    
Maximum      
Lessee, Lease, Description [Line Items]      
Lease renewal term (in years) 14 years