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Revenue (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Municipality
Dec. 31, 2021
USD ($)
Revenue [Abstract]    
Revenue from contracts with customers $ 59,566 $ 54,568
Rents from regulated property 495 551
Total operating revenue $ 60,061 55,119
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 $ 35,382 33,986
Water Utility Service [Member] | Commercial and Industrial [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 15,704 14,575
Water Utility Service [Member] | Fire Protection [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 3,449 3,247
Wastewater Utility Service [Member] | Residential [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 3,814 1,899
Wastewater Utility Service [Member] | Commercial and Industrial [Member]    
Revenue [Abstract]    
Revenue from contracts with customers 551 317
Billing and Revenue Collection Services [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 481 481
Number of municipalities within the service territory provided service | Municipality 2  
Number of days for customer to make payment after being invoiced 30 days  
Collection Services [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 157 26
Number of days for customer to make payment after being invoiced 30 days  
Other Revenue [Member]    
Revenue [Abstract]    
Revenue from contracts with customers $ 28 $ 37