XML 100 R67.htm IDEA: XBRL DOCUMENT v3.22.0.1
Equity Incentive Plans and Stock-Based Compensation - Summary of Stock Option Activity (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Number of Options  
Outstanding beginning of period (in shares) | shares 1,703,245
Granted (in shares) | shares 0
Exercised (in shares) | shares (602,565)
Forfeited (in shares) | shares 0
Expired (in shares) | shares (2,225)
Outstanding end of period (in shares) | shares 1,098,455
Exercisable (in shares) | shares 837,283
Vested and expected to vest (in shares) | shares 1,042,564
Weighted Average Exercise Price  
Outstanding beginning of period (in dollars per share) | $ / shares $ 10.87
Granted (in dollars per share) | $ / shares 0
Exercised (in dollars per share) | $ / shares 9.53
Forfeited (in dollars per share) | $ / shares 0
Expired (in dollars per share) | $ / shares 33.53
Outstanding end of period (in dollars per share) | $ / shares 11.56
Exercisable (in dollars per share) | $ / shares 11.32
Vested and expected to vest (in dollars per share) | $ / shares $ 11.52
Weighted Average Remaining Contractual Term  
Outstanding 5 years 4 months 24 days
Exercisable 4 years 9 months 18 days
Vested and expected to vest 5 years 3 months 18 days
Aggregate Intrinsic Value  
Ending balance | $ $ 14,628
Exercisable | $ 11,405
Vested and expected to vest | $ $ 13,941