Revenue Recognition (Details) $ in Thousands	3 Months Ended
Mar. 31, 2026 USD ($) Municipality	Mar. 31, 2025 USD ($)
Revenue [Abstract]
Revenue from contracts with customers	$ 19,974	$ 18,342
Rents from regulated property	100	114
Total operating revenue	$ 20,074	18,456
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	$ 10,950	10,250
Water Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	5,310	4,936
Water Utility Service [Member] \| Fire Protection [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,293	1,190
Wastewater Utility Service [Member] \| Residential [Member]
Revenue [Abstract]
Revenue from contracts with customers	1,831	1,582
Wastewater Utility Service [Member] \| Commercial and Industrial [Member]
Revenue [Abstract]
Revenue from contracts with customers	548	345
Billing and Revenue Collection Services [Member]
Revenue [Abstract]
Revenue from contracts with customers	$ 19	26
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	$ 4	3
Number of days for customer to make payment after being invoiced	30 days
Other Revenue [Member]
Revenue [Abstract]
Revenue from contracts with customers	$ 19	$ 10

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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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