XML 79 R69.htm IDEA: XBRL DOCUMENT v3.20.2
Summary of RSU Activity (Detail) - Restricted Stock Units (RSUs)
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Unvested, Number of RSUs | shares 1,148,110
Granted, Number of RSUs | shares 482,683
Vested, Number of RSUs | shares (551,565)
Forfeited, Number of RSUs | shares (173,224)
Ending Unvested, Number of RSUs | shares 906,004
Shares vested but not released, Number of RSUs | shares 250,771
Beginning Unvested, Weighted Average Fair Value | $ / shares $ 4.43
Granted, Weighted Average Fair Value | $ / shares 4.12
Vested, Weighted Average Fair Value | $ / shares 4.10
Forfeited, Weighted Average Fair Value | $ / shares 4.69
Ending Unvested, Weighted Average Fair Value | $ / shares 4.41
Shares vested but not released, Weighted Average Fair Value | $ / shares $ 5.02