XML 32 R21.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Jul. 30, 2020
Jun. 30, 2020
Dec. 31, 2019
Feb. 28, 2019
Jun. 30, 2020
Follow-On Equity Offering          
Class of Stock [Line Items]          
Number of shares issued or sold (in shares)       5,500,000  
Sale of stock purchase price (in dollars per share)       $ 20.00  
Consideration received on transaction       $ 118.7  
Over-allotment option          
Class of Stock [Line Items]          
Number of shares issued or sold (in shares)       825,000  
Sale of stock purchase price (in dollars per share)       $ 20.00  
At the Market Offering          
Class of Stock [Line Items]          
Number of shares issued or sold (in shares)         4,060,482
Sale of stock purchase price (in dollars per share)   $ 24.44     $ 24.44
Consideration received on transaction         $ 96.5
Common stock maximum amount available for issuance   $ 175.0 $ 50.0    
At the Market Offering | Subsequent Event          
Class of Stock [Line Items]          
Number of shares issued or sold (in shares) 726,380        
Sale of stock purchase price (in dollars per share) $ 30.02        
Consideration received on transaction $ 21.3