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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity Stock option activity for the year ended December 31, 2021 was as follows:
Number of Options OutstandingWeighted-Average Exercise PriceWeighted-Average Remaining Life in YearsAggregate Intrinsic Value
Outstanding at January 1, 202116,933,494 $6.73 8.44$596,767 
Exercised(3,704,250)4.96 
Forfeited or cancelled(795,085)7.87 
Outstanding at December 31, 202112,434,159 7.19 7.64909,494 
Vested and exercisable at December 31, 20216,245,987 5.83 7.22465,348 
Vested and unvested expected to vest at December 31, 202110,694,123 $6.81 7.55$786,229 
Schedule of Weighted-Average Assumptions The following weighted-average assumptions were used to estimate the grant date fair value of stock options as of December 31, 2020:
Expected volatility52.06 %
Expected life in years6
Risk-free interest rate0.57 %
Dividend yield0 %
Schedule of RSU Activity RSU activity for the year ended December 31, 2021 was as follows:
SharesWeighted-Average Fair Value
Unvested balance at January 1, 2021413,750 $13.69 
Granted3,253,645 48.68 
Vested(152,903)24.60 
Forfeited or cancelled(180,355)43.33 
Unvested balance at December 31, 20213,334,137 45.74 
Vested and expected to vest at December 31, 20212,135,576 $45.74 
Schedule of PRSU Activity PRSU activity for the year ended December 31, 2021 was as follows:
SharesWeighted-Average Fair Value
Unvested balance at January 1, 2021— $— 
Granted578,949 48.04 
Unvested balance at December 31, 2021578,949 $48.04 
Summary of Share-Based Payment Arrangement and Price Targets The CEO Performance Award, which is estimated to have a grant date fair value of approximately $75,300 derived by using a discrete model based on multiple stock price-paths developed through the use of a Monte Carlo simulation, is divided into five tranches that will be earned based on the achievement of stock price goals, measured based on the average of the Company’s closing stock price over a consecutive ninety (90) trading day period during the performance period as set forth in the table below.
TrancheCompany Stock Price TargetNumber of Eligible MRSUs
1$93.50475,000
2$140.00575,000
3$187.00650,000
4$233.50650,000
5$280.50650,000
Schedule of MRSU Activity
MRSU activity for the year ended December 31, 2021 was as follows:
SharesWeighted-Average Fair Value
Unvested balance at January 1, 2021— $— 
Granted3,000,000 25.12 
Unvested balance at December 31, 20213,000,000 $25.12 
Schedule of Weighted-Average Assumptions for MRSUs
Expected volatility46.27 %
Expected life in years7
Risk-free interest rate1.01 %
Dividend yield0 %
Summary of Stock-Based Compensation Expense
Stock-based compensation was included in the Consolidated Statements of Operations as follows:
Year Ended December 31,
202120202019
Cost of revenue$1,147 $545 $1,142 
Research and development23,315 7,765 4,688 
Sales and marketing8,471 1,924 539 
General and administrative28,644 19,222 12,277 
Total$61,577 $29,456 $18,646