INVESTMENTS AND FAIR VALUE MEASUREMENTS - Other Financial Instruments (Details) - USD ($) $ in Thousands	Jan. 31, 2026	Jan. 31, 2025
Other debt
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	$ 618	$ 933
Convertible notes \| Convertible notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	0	359,200
Warehouse credit facility \| Line of Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	122,464	210,995
ABL facility \| Line of Credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	5,563	0
Trade loan facility \| Trade loan facility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	0	45,000
2022 promissory note \| 2022 promissory note
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value disclosure, off-balance-sheet risks, amount, liability	$ 0	$ 179,932