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Business Segment Data (Details) - Schedule of Inter-Segment Transactions - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Revenues:      
Consolidated Revenues $ 40,524 $ 38,156  
Operating Income:      
Consolidated Operating Income 9,865 7,490  
Net Income:      
Consolidated Net Income 10,682 5,868  
Capital Expenditures:      
Total Capital Expenditures 14,389 24,515  
Assets:      
Consolidated Assets 1,250,105   $ 1,236,052
Regulated [Member]      
Revenues:      
Consolidated Revenues 37,465 34,953  
Operating Income:      
Consolidated Operating Income 8,999 6,715  
Net Income:      
Consolidated Net Income 10,049 5,324  
Capital Expenditures:      
Total Capital Expenditures 14,376 24,465  
Assets:      
Consolidated Assets 1,247,041   1,235,549
Non - Regulated [Member]      
Revenues:      
Consolidated Revenues 3,204 3,342  
Operating Income:      
Consolidated Operating Income 866 775  
Net Income:      
Consolidated Net Income 633 544  
Capital Expenditures:      
Total Capital Expenditures 13 50  
Assets:      
Consolidated Assets 8,264   8,068
Inter-segment Elimination [Member]      
Revenues:      
Consolidated Revenues (145) $ (139)  
Assets:      
Consolidated Assets $ (5,200)   $ (7,565)