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Stock-Based Compensation (Tables) | 6 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | The following table summarizes stock option activity:
|  | Number of Shares |  | Weighted-Average Exercise Price (per share) |  | Weighted-Average Remaining Contractual Life (in years) |  | Aggregate Intrinsic Value (in thousands)
Options outstanding as of March 31, 2021 |  | 8,146,445 |  |  | $ | 4.01 |  |  | 6.86 |  | $ | 622,249 |
Granted |  | 630,989 |  |  | 72.31 |  |  |  |  |
Forfeited / Cancelled |  | (214,884) |  |  | 8.41 |  |  |  |  |
Exercised |  | (658,549) |  |  | 3.27 |  |  |  |  |
Options outstanding as of September 30, 2021 |  | 7,904,001 |  |  | $ | 9.40 |  |  | 6.65 |  | $ | 473,227 |
Vested and expected to vest (net of estimated forfeitures) at September 30, 2021 |  | 7,784,152 |  |  | $ | 9.04 |  |  | 6.61 |  | $ | 468,633 |
Exercisable as of September 30, 2021 |  | 5,642,551 |  |  | $ | 3.58 |  |  | 5.83 |  | $ | 368,277 |
Summary of RSU Activity | The following table summarizes restricted stock unit ("RSU") and restricted stock award ("RSA") activity:
|  | Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested restricted shares outstanding as of March 31, 2021 |  | 333,544 |  |  | $ | 4.55 |
Granted |  | 332,061 |  |  | 45.62 |
Vested |  | (298,350) |  |  | 3.69 |
Cancelled |  | (3,526) |  |  | 13.88 |
Unvested restricted shares outstanding as of September 30, 2021 |  | 363,729 |  |  | $ | 42.65 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- 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
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