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Convertible Preferred Stock and Common stock (Tables) | 3 Months Ended
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Mar. 31, 2021
Stockholders' Equity Note [Abstract] |
Summary of Preferred Stock |
|  | March 31, 2021 |
Series of Convertible Preferred Stock |  | Year Issued |  |  | Shares Authorized |  |  | Shares Issued and Outstanding |  |  | Issuance Price/ Liquidation Price (Per Share) |  |  | Aggregate Liquidation Value |  |  | Carrying Value (Net of Issuance Costs) |
Series A |  |  | 2013 |  |  |  | 54,811,930 |  |  |  | 54,811,930 |  |  | $ | 1.0000 |  |  | $ | 54.8 |  |  | $ | 54.7 |
Series B |  |  | 2014-2015 |  |  |  | 18,133,240 |  |  |  | 18,133,240 |  |  |  | 2.0766 |  |  |  | 37.7 |  |  |  | 37.5 |
Series C |  |  | 2015-2016 |  |  |  | 13,580,260 |  |  |  | 13,580,260 |  |  |  | 4.0500 |  |  |  | 55.0 |  |  |  | 54.8 |
Series D |  |  | 2016-2017 |  |  |  | 15,920,450 |  |  |  | — |  |  |  | 4.2632 |  |  |  | — |  |  |  | — |
Series E |  |  | 2017-2018 |  |  |  | 78,543,890 |  |  |  | 78,543,890 |  |  |  | 6.7478 |  |  |  | 530.0 |  |  |  | 529.0 |
Series F |  |  | 2018 |  |  |  | 33,686,160 |  |  |  | 33,686,160 |  |  |  | 11.8570 |  |  |  | 399.4 |  |  |  | 398.8 |
Series G |  |  | 2019-2020 |  |  |  | 22,371,620 |  |  |  | 22,371,620 |  |  |  | 15.4269 |  |  |  | 345.1 |  |  |  | 344.3 |
|  |  |  |  |  |  | 237,047,550 |  |  |  | 221,127,100 |  |  |  |  |  |  | $ | 1,422.0 |  |  | $ | 1,419.1 |
Summary of Stock by Class | As of March 31, 2021, the Company had three classes of common stock: Class A common stock, Class B common stock and Class C common stock. Each class has par value of $0.00001.
|  | March 31, 2021 |
|  | Shares Authorized |  |  | Shares Issued |  |  | Shares Outstanding |
Class A common stock |  |  | 1,000,754,910 |  |  |  | 126,295,420 |  |  |  | 124,045,420 |
Class B common stock |  |  | 270,618,860 |  |  |  | 4,562,160 |  |  |  | 4,562,160 |
Class C common stock |  |  | 100,000,000 |  |  |  | 15,244,490 |  |  |  | 15,244,490 |
Total |  |  | 1,371,373,770 |  |  |  | 146,102,070 |  |  |  | 143,852,070 |
As of December 31, 2020, the Company had two classes of common stock: Class A common stock and Class B common stock. Each class has a par value of $0.00001.
|  | December 31, 2020 |
|  | Shares Authorized |  |  | Shares Issued |  |  | Shares Outstanding |
Class A common stock |  |  | 530,136,050 |  |  |  | 118,549,390 |  |  |  | 116,299,390 |
Class B common stock |  |  | 170,618,860 |  |  |  | 6,672,510 |  |  |  | 6,672,510 |
Total |  |  | 700,754,910 |  |  |  | 125,221,900 |  |  |  | 122,971,900 |
Summary of Common Stock Reserved For Issuance | As of March 31, 2021 and December 31, 2020, the Company had shares of common stock reserved for issuance as follows:
|  | March 31, 2021 |  |  | December 31, 2020 |
Convertible preferred stock outstanding |  |  | 223,033,725 |  |  |  | 238,954,050 |
Options issued and outstanding |  |  | 59,603,390 |  |  |  | 62,827,150 |
Restricted stock units issued and outstanding |  |  | 50,272,925 |  |  |  | 32,556,160 |
Shares available for future stock-based incentive award issuances |  |  | 41,105,315 |  |  |  | 11,679,150 |
Total |  |  | 374,015,355 |  |  |  | 346,016,510 |

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- Definition Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21553-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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