Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation (Details)

v3.20.1
Share-based compensation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 19, 2019
Apr. 29, 2019
Stock Awards [Abstract]        
Share-based compensation expense $ 2.5 $ 0.2    
Stock Options [Member]        
Stock Awards [Abstract]        
Granted (in shares) 100,000 0    
2019 Incentive Award Plan [Member]        
Stock Awards [Abstract]        
Authorized issuance shares of common stock (in shares)       6,000,000
Amended and Restated Incentive Award Plan 2019 [Member]        
Stock Awards [Abstract]        
Authorized issuance shares of common stock (in shares)     9,000,000