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OTHER DEFERRED ASSETS (Tables)
9 Months Ended
Sep. 30, 2025
OTHER DEFERRED ASSETS [Abstract]  
Other Deferred Assets The investment in CoBank, ACB, or CoBank, which is a cooperative bank, is related to certain outstanding First Mortgage Bonds and is a required investment in the bank based on the underlying long-term debt agreements
(in thousands)September 30, 2025December 31, 2024
   
Investment in CoBank$6,889 $6,425 
Other deferred assets 90  100 
 $6,979 $6,525