Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Nov. 06, 2022 |
Oct. 31, 2021 |
Nov. 06, 2022 |
Oct. 31, 2021 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Net loss | $ (787) | $ (28,731) | $ (1,400) | $ (158,202) |
| Other comprehensive loss: | ||||
| Unrealized net losses on available-for-sale securities | (3,656) | (3,710) | (15,365) | (7,121) |
| Less: reclassification adjustment for net (gains) losses on available-for-sale securities included in net loss | 2 | (78) | (23) | (596) |
| Change in unrealized net losses on available-for-sale securities | (3,654) | (3,788) | (15,388) | (7,717) |
| Comprehensive loss | $ (4,441) | $ (32,519) | $ (16,788) | $ (165,919) |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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