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v3.20.2

Regulatory Matters: (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 USD ($) | Mar. 31, 2020 | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Regulatory matters: |  |  |  |  |  |
Regulatory asset not accruing carrying costs | $ (44,900) |  |  | $ (44,900) |  |
Regulatory assets | 1,213 |  |  | 1,213 |  | $ 2,450
Pension and other post-retirement obligations |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory asset not accruing carrying costs | (41,700) |  |  | (41,700) |  |
Water Revenue Adjustment Mechanism Net of Modified Cost Balancing Account [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Increase (Decrease) in Other Regulatory Assets |  |  |  | 12,800 |  |
Bear Valley Electric Service, Inc. | Derivative unrealized loss |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (2,518) |  |  | (2,518) |  | 0
Bear Valley Electric Service, Inc. | Other Regulatory Assets Net [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (171) |  |  | (171) |  | 0
Golden State Water Company |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | 3,902 |  |  | 3,902 |  | 2,450
Golden State Water Company | Revenue Subject to Refund [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | $ 3,620 |  |  | $ 3,620 |  | 8,478
Golden State Water Company | Cost of Capital, Proceeding for Water Regions [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Return on Equity Percentage | 8.90% |  |  | 8.90% |  |
Weighted Cost of Capital Percent | 7.91% |  |  | 7.91% |  |
Extend filing term |  | 1 year |  |  |  |
Golden State Water Company | Costs deferred for future recovery on Aerojet case |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | $ (7,169) |  |  | $ (7,169) |  | (8,292)
Golden State Water Company | Pension and other post-retirement obligations |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (40,606) |  |  | (40,606) |  | (40,693)
Golden State Water Company | Derivative [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory asset not accruing carrying costs | (2,500) |  |  | (2,500) |  |
Golden State Water Company | Derivative unrealized loss |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | 0 |  |  | 0 |  | (3,171)
Golden State Water Company | General Rate Case Memorandum Accounts |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (218) |  |  | (218) |  | (4,820)
Golden State Water Company | Deferred Income Tax Charge |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory asset not accruing carrying costs | (78,800) |  |  | (78,800) |  |
Regulatory assets | 74,597 |  |  | 74,597 |  | 79,886
Golden State Water Company | Flow-through taxes, net |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory asset not accruing carrying costs | (11,500) |  |  | (11,500) |  |
Regulatory assets | 10,809 |  |  | 10,809 |  | 12,439
Golden State Water Company | Water Revenue Adjustment Mechanism [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (10,300) |  |  | (10,300) |  |
Golden State Water Company | Other Regulatory Assets Net [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory assets | (12,227) |  |  | (12,227) |  | (18,842)
Golden State Water Company | Water Revenue Adjustment Mechanism Net of Modified Cost Balancing Account [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Amount billed to customers as surcharges | 4,400 |  | $ 5,500 | 10,500 | $ 9,100 |
Regulatory assets | $ (24,904) |  |  | $ (24,904) |  | $ (22,535)
Water Service Utility Operations [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Number of parties | 3 |  |  | 3 |  |
Maximum [Member] | Golden State Water Company | Water Revenue Adjustment Mechanism Net of Modified Cost Balancing Account [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory Asset Recovery Periods |  |  |  | 24 months |  |
Minimum [Member] | Golden State Water Company | Water Revenue Adjustment Mechanism Net of Modified Cost Balancing Account [Member] |  |  |  |  |  |
Regulatory matters: |  |  |  |  |  |
Regulatory Asset Recovery Periods |  |  |  | 12 months |  |

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