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Revenue (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2024
USD ($)
Municipality
Mar. 31, 2023
USD ($)
Revenue [Abstract]    
Revenue from contracts with customers $ 17,514 $ 15,273
Rents from regulated property 114 128
Total operating revenue $ 17,628 15,401
Utility Service [Member]    
Revenue [Abstract]    
Number of days for customer to make payment after being invoiced 20 days  
Water Utility Service [Member] | Residential [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 9,844 8,888
Water Utility Service [Member] | Commercial and Industrial [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 4,656 4,004
Water Utility Service [Member] | Fire Protection [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 1,081 932
Wastewater Utility Service [Member] | Residential [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 1,474 1,084
Wastewater Utility Service [Member] | Commercial and Industrial [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 316 221
Billing and Revenue Collection Services [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 130 126
Number of municipalities within the service territory provided service | Municipality 3  
Number of days for customer to make payment after being invoiced 30 days  
Collection Services [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 6 7
Number of days for customer to make payment after being invoiced 30 days  
Other Revenue [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 7 $ 11