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

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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