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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share Basic And Diluted [Abstract] |
Summary of Computation of Basic and Diluted Net Loss Per Share | The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:
|  | Year Ended December 31, |
(in thousands, except share and per share amounts) |  | 2020 |  |  | 2019 |  |  | 2018 |
Net loss |  | $ | (202,799 | ) |  | $ | (142,978 | ) |  | $ | (85,178 | )
Accretion of redeemable convertible preferred stock |  |  | — |  |  |  | (132,750 | ) |  |  | (13,036 | )
Net loss attributable to common stockholders |  | $ | (202,799 | ) |  | $ | (275,728 | ) |  | $ | (98,214 | )
Weighted-average number of shares outstanding used to compute net loss per share attributable to common stockholders, basic and diluted |  |  | 73,345,569 |  |  |  | 8,605,962 |  |  |  | 8,540,778 |
Net loss per share attributable to common stockholders, basic and diluted |  | $ | (2.76 | ) |  | $ | (32.04 | ) |  | $ | (11.50 | )
Summary of Calculation of Diluted Shares Outstanding | The following potentially dilutive shares were not included in the calculation of diluted shares outstanding for the periods presented as the effect would have been anti-dilutive:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Redeemable convertible preferred stock |  |  | — |  |  |  | 83,568,628 |  |  |  | 66,825,300 |
Warrants |  |  | — |  |  |  | 161,136 |  |  |  | 161,136 |
Stock options |  |  | 5,617,568 |  |  |  | 6,110,000 |  |  |  | 2,961,008 |
Restricted stock awards |  |  | — |  |  |  | 3,249,382 |  |  |  | 3,873,214 |
Restricted stock units |  |  | 2,235,442 |  |  |  | 408,000 |  |  |  | 100,000 |
Total |  |  | 7,853,010 |  |  |  | 93,497,146 |  |  |  | 73,920,658 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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