Quarterly report pursuant to Section 13 or 15(d)

Stock Plans - Additional Information (Details)

v3.20.1
Stock Plans - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award  
Weighted-average period for recognizing non-vested stock option 1 year 9 months 18 days
Employee Stock Option  
Share-based Compensation Arrangement by Share-based Payment Award  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 0.1