v3.25.1
Business Segment Data - Schedule of Segment Transactions (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Revenues:      
Consolidated Revenues $ 44,301 $ 40,524  
Purchased Water:      
Consolidated Purchased Water 1,879 1,759  
Consolidated Other Operations and Maintenance Expenses 19,230 18,706  
Consolidated Other Taxes 5,108 4,798  
Depreciation:      
Consolidated Depreciation 6,527 5,396  
Consolidated Operating Income 11,557 9,865  
Consolidated Other Income, Net 1,797 5,365  
Interest Charges:      
Consolidated Interest Charges 2,713 3,269  
Consolidated Income Taxes 1,162 1,279  
Net Income:      
Consolidated Net Income 9,479 10,682  
Capital Expenditures:      
Total Capital Expenditures 18,911 14,389  
Assets:      
Consolidated Assets 1,278,961   $ 1,255,174
Regulated [Member]      
Revenues:      
Consolidated Revenues 41,496 37,465  
Purchased Water:      
Consolidated Purchased Water 1,907 1,789  
Consolidated Other Operations and Maintenance Expenses 17,493 16,720  
Consolidated Other Taxes 5,050 4,744  
Depreciation:      
Consolidated Depreciation 6,464 5,329  
Consolidated Operating Income 10,701 8,999  
Consolidated Other Income, Net 1,901 5,355  
Interest Charges:      
Consolidated Interest Charges 2,872 3,319  
Consolidated Income Taxes 872 987  
Net Income:      
Consolidated Net Income 8,858 10,049  
Capital Expenditures:      
Total Capital Expenditures 18,853 14,376  
Assets:      
Consolidated Assets 1,293,783   1,264,472
Non – Regulated [Member]      
Revenues:      
Consolidated Revenues 2,952 3,204  
Purchased Water:      
Consolidated Purchased Water  
Consolidated Other Operations and Maintenance Expenses 1,856 2,101  
Consolidated Other Taxes 58 54  
Depreciation:      
Consolidated Depreciation 63 67  
Consolidated Operating Income 856 866  
Consolidated Other Income, Net 55 59  
Interest Charges:      
Consolidated Interest Charges  
Consolidated Income Taxes 290 292  
Net Income:      
Consolidated Net Income 621 633  
Capital Expenditures:      
Total Capital Expenditures 58 13  
Assets:      
Consolidated Assets 8,047   7,671
Inter-segment Elimination [Member]      
Revenues:      
Consolidated Revenues (147) (145)  
Purchased Water:      
Consolidated Purchased Water (28) (30)  
Consolidated Other Operations and Maintenance Expenses (119) (116)  
Depreciation:      
Consolidated Other Income, Net (159) (50)  
Interest Charges:      
Consolidated Interest Charges (159) $ (50)  
Assets:      
Consolidated Assets $ (22,869)   $ (16,969)