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Revenues - Narrative (Details) | 3 Months Ended
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Mar. 31, 2024 item
ASUS |
Disaggregation of Revenue [Line Items] |
Number of contracts with 15 year contract | 1
ASUS | Minimum |
Disaggregation of Revenue [Line Items] |
Period of fixed price contracts to operate and maintain water systems at various military bases | 15 years
ASUS | Maximum |
Disaggregation of Revenue [Line Items] |
Period of fixed price contracts to operate and maintain water systems at various military bases | 50 years
Golden State Water Company and Bear Valley Electric Service Inc. | Sales | Customer Concentration Risk |
Disaggregation of Revenue [Line Items] |
Concentration risk, percentage | 90.00%
Contracted services: | Bay State Utility Service LLC (" BSUS") |
Disaggregation of Revenue [Line Items] |
Period of fixed price contracts to operate and maintain water systems at various military bases | 15 years

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