v3.20.2

Equity Awards (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | A summary of stock option activity for the six months ended June 30, 2020 was as follows:
| Number of Shares |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value
| (in thousands) |  |  |  | (in years) |  | (in thousands)
Outstanding at December 31, 2019 | 1,154 |  |  | $ | 77.70 |  |  |  |  |
Exercised | (149) |  |  | $ | 28.47 |  |  |  |  | $ | 44,465 |
Canceled | (11) |  |  | $ | 75.77 |  |  |  |  |
Outstanding at March 31, 2020 | 994 |  |  | $ | 85.08 |  |  |  |  |
Exercised | (343) |  |  | $ | 70.33 |  |  |  |  | $ | 95,041 |
Outstanding at June 30, 2020 | 651 |  |  | $ | 92.87 |  |  | 4.6 |  | $ | 203,138 |
Vested and expected to vest as of June 30, 2020 | 624 |  |  | $ | 85.66 |  |  | 4.4 |  | $ | 199,274 |
Vested and exercisable as of June 30, 2020 | 457 |  |  | $ | 32.17 |  |  | 2.8 |  | $ | 170,320 |
Schedule of Restricted Stock Unit Activity | A summary of RSU activity for the six months ended June 30, 2020 was as follows:
| Number of Shares |  | Weighted-Average Grant-Date Fair Value Per Share |  | Aggregate Intrinsic Value
| (in thousands) |  |  |  | (in thousands)
Outstanding at December 31, 2019 | 8,733 |  |  | $ | 185.39 |  |  |
Granted | 2,810 |  |  | $ | 352.87 |  |  |
Vested | (1,183) |  |  | $ | 151.19 |  |  | $ | 411,813 |
Forfeited | (278) |  |  | $ | 199.48 |  |  |
Outstanding at March 31, 2020 | 10,082 |  |  | $ | 235.99 |  |  |
Granted | 398 |  |  | $ | 341.10 |  |  |
Vested | (1,061) |  |  | $ | 185.99 |  |  | $ | 394,458 |
Forfeited | (219) |  |  | $ | 213.34 |  |  |
Outstanding at June 30, 2020 | 9,200 |  |  | $ | 246.89 |  |  | $ | 3,726,547 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration