XML 74 R63.htm IDEA: XBRL DOCUMENT v3.19.1
Share-Based Compensation - Summary of Stock Option Activity (Details) - Stock Options Outstanding
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares under Option, Outstanding, Beginning balance | shares 2,711
Number of Shares under Option, Granted | shares 476
Number of Shares under Option, Exercised | shares (483)
Number of Shares under Option, Forfeited | shares (34)
Number of Shares under Option, Outstanding, Ending balance | shares 2,670
Number of Shares under Option, Exercisable | shares 1,286
Number of Shares under Option, Vested and expected to vest | shares 2,670
Weighted-average Exercise Price per Option, Outstanding, Beginning balance | $ / shares $ 3.59
Weighted-average Exercise Price per Option, Granted | $ / shares 16.49
Weighted-average Exercise Price per Option, Exercised | $ / shares 2.97
Weighted-average Exercise Price per Option, Forfeited | $ / shares 9.88
Weighted-average Exercise Price per Option, Outstanding, Ending balance | $ / shares 5.92
Weighted-average Exercise Price per Option, Exercisable | $ / shares 2.14
Weighted-average Exercise Price per Option, Vested and expected to vest | $ / shares $ 5.92
Weighted-average Remaining Contractual Life, Outstanding 7 years 10 months 24 days
Weighted-average Remaining Contractual Life, Exercisable 6 years 8 months 12 days
Weighted-average Remaining Contractual Life, Vested and expected to vest 7 years 10 months 24 days
Aggregate Intrinsic Value, Outstanding | $ $ 26,014
Aggregate Intrinsic Value, Exercisable | $ 16,859
Aggregate Intrinsic Value, Vested and expected to vest | $ $ 26,014