XML 19 R45.htm IDEA: XBRL DOCUMENT v3.20.1
Subsequent Event (Details) - Follow-on Offering - Subsequent Event
$ / shares in Units, $ in Millions
Apr. 16, 2020
USD ($)
$ / shares
shares
Subsequent Event [Line Items]  
Shares sold (in shares) | shares 2,300,000
Sale of stock, price per share (in dollars per share) | $ / shares $ 58.00
Proceeds from sale of stock | $ $ 124.7