XML 90 R77.htm IDEA: XBRL DOCUMENT v3.21.2
Stockholders' Equity - Stock Option Plan - Additional Information (Details)
$ in Millions
6 Months Ended
Jun. 30, 2021
USD ($)
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Unrecognized stock-based compensation expense $ 47.6
Expected weighted average period to recognize unrecognized stock compensation expense 1 year 10 months 9 days