Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Equity Transactions (Details)

v3.21.1
Equity Transactions (Details) - USD ($)
$ / shares in Units, $ in Millions
Jan. 06, 2021
Jun. 03, 2020
Apr. 29, 2020
Mar. 31, 2021
Dec. 31, 2020
Subsidiary, Sale of Stock [Line Items]          
Common stock, par value (in dollars per share)       $ 0.001 $ 0.001
Common Stock Offering          
Subsidiary, Sale of Stock [Line Items]          
Shares sold in offering (in shares) 4,081,632   4,400,000    
Common stock, par value (in dollars per share) $ 0.001   $ 0.001    
Offering price per share (in dollars per share) $ 49.00   $ 28.50    
Net proceeds of common stock $ 189.9   $ 117.9    
Payments of equity issue costs $ 10.1   $ 7.5    
Option period (in days)     30 days    
Over-Allotment Option          
Subsidiary, Sale of Stock [Line Items]          
Shares sold in offering (in shares) 612,244 351,500 660,000    
Net proceeds of common stock $ 28.4 $ 9.4      
Payments of equity issue costs $ 1.6 $ 0.6      
Option period (in days) 30 days