Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Based Compensation Expense (Details)

v3.20.2
Stock-Based Compensation - Stock Based Compensation Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]        
Employee stock compensation $ 0.4 $ 0.2 $ 0.8 $ 0.9