XML 100 R84.htm IDEA: XBRL DOCUMENT v3.20.2
Employee Benefit Plan - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
General and Administrative Expenses        
Defined Contribution Plan Disclosure [Line Items]        
Expenses related to discretionary matching contributions $ 0.2 $ 0.3 $ 0.5 $ 0.5