v3.26.1
SEGMENTS OF BUSINESS - Assets And Capital Expenditure (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
SEGMENTS OF BUSINESS      
Assets $ 468,044   $ 408,053
Capital Expenditures 33,941 $ 24,737  
Cash and cash equivalents 28,979 9,228 10,070
Operating Segment | Electric Operations      
SEGMENTS OF BUSINESS      
Assets 280,798   256,529
Capital Expenditures 26,111 12,700  
Operating Segment | Coal Operations      
SEGMENTS OF BUSINESS      
Assets 179,491   148,957
Capital Expenditures 7,830 $ 12,037  
Cash and cash equivalents 28,100   9,400
Corporate and Other and Eliminations      
SEGMENTS OF BUSINESS      
Assets $ 7,755   $ 2,567