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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue (Details) $ in Thousands	3 Months Ended		9 Months Ended
Revenue (Details) $ in Thousands	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Municipality	Sep. 30, 2023 USD ($)
Revenue [Abstract]
Revenue from contracts with customers	$ 19,601	$ 18,643	$ 55,751	$ 52,560
Rents from regulated property	114	124	342	375
Total operating revenue	19,715	18,767	$ 56,093	52,935
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	10,887	10,505	$ 31,153	30,033
Water Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	5,527	5,244	15,292	14,341
Water Utility Service [Member] \| Fire Protection [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,156	1,040	3,360	3,022
Wastewater Utility Service [Member] \| Residential [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,578	1,458	4,554	3,998
Wastewater Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	301	255	969	743
Billing and Revenue Collection Services [Member]
Revenue [Abstract]
Revenue from contracts with customers	121	115	$ 373	357
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	25	12	$ 28	28
Number of days for customer to make payment after being invoiced			30 days
Other Revenue [Member]
Revenue [Abstract]
Revenue from contracts with customers	$ 6	$ 14	$ 22	$ 38