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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2023
Regulated Operations [Abstract] |
Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations | Regulatory assets, less regulatory liabilities, included in the consolidated balance sheets are as follows:
|  | December 31,
(dollars in thousands) |  | 2023 |  | 2022
GSWC |  |  |  |
2022/2023 general rate case memorandum accounts (unbilled revenue) |  | $ | 52,795 |  |  | $ | — |
Water revenue adjustment mechanism, net of the modified cost balancing account |  | 41,545 |  |  | 31,803 |
Asset retirement obligations (Note 1) |  | 7,099 |  |  | 6,411 |
COVID-19 memorandum accounts |  | 1,199 |  |  | 3,478 |
Flowed-through deferred income taxes, net (Note 11) |  | 3,190 |  |  | (1,134) |
Low income rate assistance balancing accounts |  | 5,763 |  |  | 2,526 |
Pensions and other post-retirement obligations (Note 12) |  | (4,867) |  |  | 738 |
Other regulatory assets |  | 9,462 |  |  | 10,289 |
Excess deferred income taxes (Note 11) |  | (70,189) |  |  | (71,870) |
Other regulatory liabilities |  | (268) |  |  | (8,815) |
Total GSWC |  | $ | 45,729 |  |  | $ | (26,574) |
BVES |  |  |  |
Derivative instrument memorandum account (Note 5) |  | 2,360 |  |  | (11,847) |
Wildfire mitigation and other fire prevention related costs memorandum accounts |  | 17,716 |  |  | 13,007 |
Electric supply cost adjustment mechanism |  | 2,583 |  |  | 3,627 |
Other regulatory assets |  | 7,697 |  |  | 4,338 |
Other regulatory liabilities |  | (6,578) |  |  | (8,005) |
Total AWR |  | $ | 69,507 |  |  | $ | (25,454) |

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