XML 66 R55.htm IDEA: XBRL DOCUMENT v3.23.1
Stockholders' Equity - At-the-Market Program (Details) - USD ($)
$ in Millions
Aug. 05, 2020
Mar. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Amount of equity able to raise   $ 200
Cowen Sales Agreement    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Amount of equity able to raise $ 25  
Broker commissions 3.00%