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Common Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | Feb. 26, 2021 | Jul. 31, 2021 | Jan. 31, 2021
--- | --- | --- | ---
Redeemable Convertible Preferred Stock [Line Items] |  |  |
Common stock outstanding |  | 322,170,484 | 22,961,032
Common stock par value |  | $ 0.0001 | $ 0.0001
Shares par value | $ 0.0001 |  |
Shares authorized to issue prior to merger | 484,951,532 |  |
Redeemable Convertible Preferred Stock [Member] |  |  |
Redeemable Convertible Preferred Stock [Line Items] |  |  |
Shares authorized to issue prior to merger | 185,180,248 |  |
Common Stock [Member] |  |  |
Redeemable Convertible Preferred Stock [Line Items] |  |  |
Shares authorized to issue prior to merger | 299,771,284 |  |
Common Stock [Member] | Switchback [Member] |  |  |
Redeemable Convertible Preferred Stock [Line Items] |  |  |
Business combination, stock issued value | $ 200.5 |  |
Business combination, issuance costs | $ 29.4 |  |
Common stock outstanding | 277,768,357 |  |
Common stock par value | $ 0.0001 |  |
Voting rights | one |  |
Common Stock [Member] | Switchback [Member] | Merger Agreement [Member] |  |  |
Redeemable Convertible Preferred Stock [Line Items] |  |  |
Business combination, stock issued | 60,746,989 |  |

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- Definition Shares Authorized To Issue Prior To Merger. + References No definition available. + Details
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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: 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 + Details
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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=123467817&loc=d3e21475-112644 + Details
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