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Fair Value of Financial Assets and Liabilities - Schedule of Liabilities with Unobservable Inputs (Details) - USD ($) $ in Thousands | 2 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2022 | Jan. 31, 2022 | Jan. 31, 2021 | Jan. 31, 2020
Convertible Notes |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance |  | $ 101,212 | $ 10,804 | $ 0
Issuance |  |  | 68,529 | 10,963
Change in fair value |  | 13,142 | 25,139 | (159)
Extinguishment and Conversion |  | (114,354) | (3,260) |
Ending balance | $ 0 | 0 | 101,212 | 10,804
Private Placement Warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance | 29,370 |  |  |
Change in fair value | (16,910) |  |  |
Ending balance | 12,460 | 12,460 |  |
Preferred Stock Warrant |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Beginning balance |  | 11,359 | 3,849 | 3,897
Issuance |  |  | 2,596 | 0
Change in fair value |  | 12,118 | 4,914 | (48)
Extinguishment and Conversion |  | (23,477) |  |
Ending balance | $ 0 | $ 0 | $ 11,359 | $ 3,849

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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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