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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		6 Months Ended
Revenue (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Municipality	Jun. 30, 2023 USD ($)
Revenue [Abstract]
Revenue from contracts with customers	$ 18,636	$ 18,644	$ 36,150	$ 33,917
Rents from regulated property	114	123	228	251
Total operating revenue	18,750	18,767	$ 36,378	34,168
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	10,422	10,640	$ 20,266	19,528
Water Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	5,109	5,093	9,765	9,097
Water Utility Service [Member] \| Fire Protection [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,123	1,050	2,204	1,982
Wastewater Utility Service [Member] \| Residential [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,502	1,456	2,976	2,540
Wastewater Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	352	267	668	488
Billing and Revenue Collection Services [Member]
Revenue [Abstract]
Revenue from contracts with customers	122	116	$ 252	242
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	0	9	$ 3	16
Number of days for customer to make payment after being invoiced			30 days
Other Revenue [Member]
Revenue [Abstract]
Revenue from contracts with customers	$ 6	$ 13	$ 16	$ 24