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Share-based Compensation (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation (Details) [Line Items]        
Shares granted (in Shares)     2,797,828 3,213,131
Share-based compensation expense $ 1.5      
Options outstanding     $ 113.8  
Options exercisable     62.8  
Intrinsic value of options exercised     18.4 $ 0.1
Stock based compensation     0.3 $ 0.1
Unrecognized compensation cost related to share-based payments     $ 0.4  
Weighted-average period     7 years 36 days 7 years 73 days
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation (Details) [Line Items]        
Awards granted (in Shares) 3,174,341      
Share-based compensation expense   $ 0.1    
Share-based Payment Arrangement, Option [Member]        
Share-based Compensation (Details) [Line Items]        
Shares granted (in Shares)   1,920,000    
Estimated grant date fair value of options granted $ 0.4      
Minimum [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period     4 years  
Minimum [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period 3 years      
Minimum [Member] | Share-based Payment Arrangement, Option [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period 4 years      
Maximum [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period     10 years  
Maximum [Member] | Restricted Stock Units (RSUs) [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period 4 years      
Maximum [Member] | Share-based Payment Arrangement, Option [Member]        
Share-based Compensation (Details) [Line Items]        
Vesting Period 10 years      
2016 Equity Incentive Plan [Member]        
Share-based Compensation (Details) [Line Items]        
Weighted-average period     2 years 219 days  
2020 Equity Incentive Plan [Member]        
Share-based Compensation (Details) [Line Items]        
Shares granted (in Shares)     12,937,713