Revenue Recognition from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total Revenue	$ 56,357	$ 49,323	$ 105,071	$ 93,624
Operating Segments
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	56,324	49,291	105,005	93,558
Other Regulated Revenues	245	107	313	169
Other Non-Regulated Revenues	127	120	247	240
Total Revenue	56,696	49,518	105,565	93,967
Operating Segments \| Regulated Tariff Sales \| Residential
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	28,905	26,248	53,092	49,362
Operating Segments \| Regulated Tariff Sales \| Commercial
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	8,736	7,463	15,603	14,048
Operating Segments \| Regulated Tariff Sales \| Industrial
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	4,046	3,404	7,648	6,403
Operating Segments \| Regulated Tariff Sales \| Fire Protection
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	4,159	3,998	7,991	7,720
Operating Segments \| Regulated Tariff Sales \| Wholesale
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	7,369	5,047	14,593	10,061
Operating Segments \| Non-Regulated Contract Operations
Disaggregation of Revenue [Line Items]
Total Revenue from Contracts with Customers	3,109	3,131	6,078	5,964
Inter-segment Elimination
Disaggregation of Revenue [Line Items]
Total Revenue	$ (339)	$ (195)	$ (494)	$ (343)