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Stock-Based Compensation - Summary of Option and RSU Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2022 USD ($) $ / shares shares
Shares Available for Grant |
Balances at beginning of period (in shares) | 81,365
Granted (in shares) | (6,237)
Increase in shares available for grant (in shares) | 31,676
Shares withheld for taxes (in shares) | 1,284
Exercised/Vested (in shares) | 0
Canceled (in shares) | 845
Balances at end of period (in shares) | 108,933
Number of Shares |
Balances at beginning of period (in shares) | 24,122
Granted (in shares) | 635
Increase in shares available for grant (in shares) | 0
Shares withheld for taxes (shares) | 0
Exercised/Vested (in shares) | (784)
Canceled (in shares) | (172)
Balances at end of period (in shares) | 23,801
Weighted- Average Exercise Price |
Balances at beginning of period (in USD per share) | $ / shares | $ 19.69
Granted (in USD per share) | $ / shares | 167.00
Increase in shares available for grant (in USD per share) | $ / shares | 0
Shares withheld for taxes (in USD per share) | $ / shares | 0
Exercised/Vested (in USD per share) | $ / shares | 14.86
Canceled (in USD per share) | $ / shares | 73.91
Balances at end of period (in USD per share) | $ / shares | $ 23.39
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
Options outstanding (in shares) | 23,801
Options exercisable (in shares) | 20,560
Options outstanding (in USD per share) | $ / shares | $ 23.39
Options excisable (in USD per share) | $ / shares | $ 14.13
Options outstanding, weighted-average remaining contractual life (in years) | 3 years 6 months 21 days
Options exercisable, weighted-average remaining contractual life (in years) | 2 years 9 months
Options outstanding, aggregate intrinsic value | $ | $ 3,542,265
Options exercisable, aggregate intrinsic value | $ | $ 3,243,856
Restricted stock units |
Number of Shares |
Balances at beginning of period (in shares) | 36,789
Granted (in shares) | 5,602
Increase in shares available for grant (in shares) | 0
Shares withheld for taxes (in shares) | (1,284)
Vested (in shares) | (2,116)
Canceled (in shares) | (673)
Balances at end of period (in shares) | 38,318
Weighted- Average Grant Date Fair Value |
Balances at beginning of period (in USD per share) | $ / shares | $ 61.22
Granted (in USD per share) | $ / shares | 166.92
Increase in shares available for grant (in USD per share) | $ / shares | 0
Shares withheld for taxes (in USD per share) | $ / shares | 73.39
Vested (in USD per share) | $ / shares | 74.10
Canceled (in USD per share) | $ / shares | 78.54
Balances at end of period (in USD per share) | $ / shares | $ 75.25

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period. + 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)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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