XML 53 R39.htm IDEA: XBRL DOCUMENT v3.21.1
Stockholders' Equity - Summary of RSU and RSA Activity (Details) - Restricted Stock Units and Restricted Stock Awards
shares in Thousands
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Weighted-Average Grant Date Fair Value per Restricted Stock  
Weighted-Average Grant Date Fair Value per Restricted Stock, Unvested Beginning Balance | $ / shares $ 15.10
Weighted-Average Grant Date Fair Value per Restricted Stock, Granted | $ / shares 60.94
Weighted-Average Grant Date Fair Value per Restricted Stock, Vested | $ / shares 15.02
Weighted-Average Grant Date Fair Value per Restricted Stock, Forfeited | $ / shares 12.04
Weighted-Average Grant Date Fair Value per Restricted Stock, Unvested Ending Balance | $ / shares $ 16.51
Class A Common Stock  
Outstanding Restricted Stock  
Outstanding Restricted Stock, Unvested Beginning Balance | shares 131,172
Outstanding Restricted Stock, Granted | shares 3,252
Outstanding Restricted Stock, Vested | shares (16,436)
Outstanding Restricted Stock, Forfeited | shares (3,681)
Outstanding Restricted Stock, Unvested Ending Balance | shares 114,307