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INCOME TAXES - Solar Energy Projects And Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Apr. 30, 2023 | Apr. 30, 2022 | Jan. 31, 2023
Net Investment Income [Line Items] |  |  |
Investment account balances | $ 1,100 |  | $ 1,200
Expected life of investment | 6 years |  |
Loss of investment | $ (32) | $ 610 |
Other income (expense) |  |  |
Net Investment Income [Line Items] |  |  |
Loss of investment | $ 100 | $ 600 |

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