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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2022
Regulated Operations [Abstract] |
Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations | Regulatory liabilities, less regulatory assets, included in the consolidated balance sheets are as follows:
|  | December 31,
(dollars in thousands) |  | 2022 |  | 2021
GSWC |  |  |  |
Water Revenue Adjustment Mechanism, net of the Modified Cost Balancing Account |  | $ | 31,803 |  |  | $ | 13,326 |
Pensions and other post-retirement obligations (Note 12) |  | 738 |  |  | 25,212 |
COVID-19 memorandum account |  | 3,478 |  |  | 1,663 |
Other regulatory assets |  | 19,226 |  |  | 16,949 |
Excess deferred income taxes (Note 11) |  | (71,870) |  |  | (73,000) |
Flow-through taxes, net (Note 11) |  | (1,134) |  |  | (5,552) |
Other regulatory liabilities |  | (8,815) |  |  | (2,680) |
Total GSWC |  | $ | (26,574) |  |  | $ | (24,082) |
BVESI |  |  |  |
Derivative instrument memorandum account (Note 5) |  | (11,847) |  |  | (4,441) |
Wildfire mitigation and other fire prevention related costs memorandum accounts |  | 13,007 |  |  | 8,557 |
Other regulatory assets |  | 7,965 |  |  | 5,359 |
Other regulatory liabilities |  | (8,005) |  |  | (8,189) |
Total AWR |  | $ | (25,454) |  |  | $ | (22,796) |

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