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OTHER DEFERRED ASSETS - Other Deferred Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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OTHER DEFERRED ASSETS [Abstract] |  |
Investment in CoBank | $ 6,889 | $ 6,425
Other deferred assets | 90 | 100
Other deferred assets | $ 6,979 | $ 6,525

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