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Convertible Preferred Stock and Stockholders' Deficit - Additional Information (Details) - shares |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 26, 2021 | Sep. 30, 2021 | Sep. 30, 2021
Class Of Stock [Line Items] |  |  |
Convertible preferred stock shares outstanding | 0 |  |
Common stock, voting rights |  |  | The Class A common stock is entitled to one vote per share and the Class B common stock is entitled to ten votes per share.
Common Class B [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Number of shares issued upon conversion | 115,269,221 |  |
Common stock, shares authorized |  | 160,000,000 | 160,000,000
Conversion of shares |  | 49,257,842 | 70,310,049
Convertible Preferred Stock [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Preferred stock, conversion basis | one-for-one basis |  |
Common Class A [Member] |  |  |
Class Of Stock [Line Items] |  |  |
Common stock, shares authorized |  | 2,000,000,000 | 2,000,000,000

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- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: 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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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 + Details
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