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Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Total operating revenues | $ 135,251 | $ 161,423
GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Total operating revenues | 90,265 | 112,712
Water: |  |
Disaggregation of Revenue [Line Items] |  |
Retroactive water revenues impact as a result of a proposed decision |  | 30,000
Water: | GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 85,790 | 101,595
Total operating revenues | 90,265 | 112,712
Electric: | BVES |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 12,747 | 13,212
Total operating revenues | 12,205 | 12,904
Contracted services: | ASUS |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 32,781 | 35,807
Tariff-based revenues | Water: | GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 84,661 | 100,541
Tariff-based revenues | Electric: | BVES |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 12,673 | 13,063
CPUC-approved surcharges (cost-recovery activities) | Water: | GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 547 | 317
CPUC-approved surcharges (cost-recovery activities) | Electric: | BVES |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 74 | 149
Other | Water: | GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 582 | 737
WRAM under/(over)-collection (alternative revenue program) | Water: | GOLDEN STATE WATER COMPANY |  |
Disaggregation of Revenue [Line Items] |  |
Alternative revenue programs, net | 4,475 | 11,117
WRAM under/(over)-collection (alternative revenue program) | Electric: | BVES |  |
Disaggregation of Revenue [Line Items] |  |
Alternative revenue programs, net | (542) | (308)
Water | Contracted services: | ASUS |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | 21,567 | 22,488
Wastewater | Contracted services: | ASUS |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, excluding assessed tax | $ 11,214 | $ 13,319

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