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INCOME TAXES - Solar Energy Projects And Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 30, 2024 | Apr. 30, 2023 | Jan. 31, 2024
Net Investment Income [Line Items] |  |  |
Investment account balances | $ 1,400 |  | $ 2,100
Payment for equity method investment | 3,312 |  |
Remaining cash investment commitments | 0 |  |
Amortization of Equity Investments in Solar Energy Projects | 700 |  |
Amortization related to STC investment | 700 |  |
Cash paid for income taxes | 3,312 | $ 513 |
Other income (expense) |  |  |
Net Investment Income [Line Items] |  |  |
Loss of investment | $ 100 | $ 100 |

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