Description of Business and Basis of Presentation (Details) $ in Thousands |
6 Months Ended | ||||
|---|---|---|---|---|---|
Jul. 28, 2025 |
Jul. 31, 2026
USD ($)
|
Jul. 31, 2025
USD ($)
|
Jan. 31, 2026
USD ($)
|
Jan. 31, 2025
USD ($)
|
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||||
| Accumulated deficit | $ (2,190,463) | $ (2,111,635) | |||
| Cash, cash equivalents, and restricted cash | 95,730 | $ 194,523 | $ 141,964 | $ 224,971 | |
| Cash outflow from operations | $ 40,791 | $ 39,120 | |||
| Stock split ratio | 0.05 | ||||
| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|