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Summary of Company's Stock Option Activity (Detail) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) $ / shares shares
Number of Shares |
Options Outstanding, Beginning Balance | shares | 16,441,994
Granted | shares | 1,879,092
Exercised | shares | (577,627)
Cancelled/forfeited | shares | (2,657,318)
Options Outstanding, Ending Balance | shares | 15,086,141
Vested at December 31, 2021 | shares | 11,003,784
Unvested at December 31, 2021 | shares | 4,082,357
Weighted Average Exercise Prices |
Weighted Average Exercise Prices, Beginning Balance | $ / shares | $ 30.40
Weighted Average Exercise Prices, granted | $ / shares | 43.62
Weighted Average Exercise Prices, exercised | $ / shares | 22.25
Weighted Average Exercise Prices, Cancelled/forfeited | $ / shares | 34.83
Weighted Average Exercise Prices, Ending Balance | $ / shares | 31.58
Weighted Average Exercise Prices, Vested | $ / shares | 30.09
Weighted Average Exercise Prices, Unvested | $ / shares | $ 35.60
Weighted average remaining contractual term, Outstanding | 5 years 9 months 18 days
Weighted average remaining contractual term, Vested | 5 years 1 month 6 days
Weighted average remaining contractual term, Unvested | 7 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding | $ | $ 16,416
Aggregate Intrinsic Value, Vested | $ | 12,879
Aggregate Intrinsic Value, Unvested | $ | $ 3,537

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