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Business Segment Data (Details) - Schedule of Inter-Segment Transactions - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Revenues:              
Consolidated Revenues $ 49,146   $ 42,801   $ 89,670 $ 80,957  
Operating Income:              
Consolidated Operating Income 15,315   10,669   25,180 18,157  
Net Income:              
Consolidated Net Income 10,546 $ 10,682 9,901 $ 5,868 21,228 15,767  
Capital Expenditures:              
Total Capital Expenditures 14,348   26,120   28,737 50,635  
Assets:              
Consolidated Assets 1,274,639       1,274,639   $ 1,236,052
Regulated [Member]              
Revenues:              
Consolidated Revenues 45,966   39,909   83,431 74,862  
Operating Income:              
Consolidated Operating Income 14,314   9,820   23,315 16,535  
Net Income:              
Consolidated Net Income 9,826   9,307   19,877 14,631  
Capital Expenditures:              
Total Capital Expenditures 14,325   26,114   28,701 50,579  
Assets:              
Consolidated Assets 1,272,096       1,272,096   1,235,549
Non - Regulated [Member]              
Revenues:              
Consolidated Revenues 3,410   3,056   6,614 6,398  
Operating Income:              
Consolidated Operating Income 1,001   849   1,865 1,622  
Net Income:              
Consolidated Net Income 720   594   1,351 1,136  
Capital Expenditures:              
Total Capital Expenditures 23   6   36 56  
Assets:              
Consolidated Assets 9,645       9,645   8,068
Inter-segment Elimination [Member]              
Revenues:              
Consolidated Revenues (230)   $ (164)   (375) $ (303)  
Assets:              
Consolidated Assets $ (7,102)       $ (7,102)   $ (7,565)