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INCOME TAXES - Solar Energy Projects (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Jan. 31, 2025
Solar Energy Projects      
Payment for equity method investment   $ 3,312  
Investment account balances $ 3,900   $ 4,600
STC Investments      
Solar Energy Projects      
Remaining cash investment commitments 11,500    
Amortization expense related to STC investment 700 700  
STC investments that qualify for PAM      
Solar Energy Projects      
Income tax credits and other income tax benefits related to STC investments $ 800 $ 700