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Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 12,457	$ 11,610
Regulated Operation
Disaggregation of Revenue [Line Items]
Total revenue	12,457	11,610
Regulated Operation | Water Service
Disaggregation of Revenue [Line Items]
Total revenue	5,980	5,226
Regulated Operation | Water Service | Residential
Disaggregation of Revenue [Line Items]
Total revenue	4,388	4,162
Regulated Operation | Water Service | Irrigation
Disaggregation of Revenue [Line Items]
Total revenue	620	367
Regulated Operation | Water Service | Commercial
Disaggregation of Revenue [Line Items]
Total revenue	383	328
Regulated Operation | Water Service | Multi-family
Disaggregation of Revenue [Line Items]
Total revenue	81	57
Regulated Operation | Water Service | Construction
Disaggregation of Revenue [Line Items]
Total revenue	327	153
Regulated Operation | Water Service | Other water revenue
Disaggregation of Revenue [Line Items]
Total revenue	181	159
Regulated Operation | Wastewater and recycled water service
Disaggregation of Revenue [Line Items]
Total revenue	6,477	6,384
Regulated Operation | Wastewater and recycled water service | Residential
Disaggregation of Revenue [Line Items]
Total revenue	5,868	5,834
Regulated Operation | Wastewater and recycled water service | Commercial
Disaggregation of Revenue [Line Items]
Total revenue	287	305
Regulated Operation | Wastewater and recycled water service | Multi-family
Disaggregation of Revenue [Line Items]
Total revenue	49	39
Regulated Operation | Wastewater and recycled water service | Recycled water revenue
Disaggregation of Revenue [Line Items]
Total revenue	193	121
Regulated Operation | Wastewater and recycled water service | Other wastewater revenue
Disaggregation of Revenue [Line Items]
Total revenue	$ 80	$ 85

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