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Regulatory Matters: (Tables) | 3 Months Ended
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Mar. 31, 2021
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:
(dollars in thousands) |  | March 31, 2021 |  | December 31, 2020
GSWC |  |  |  |
Water Revenue Adjustment Mechanism and Modified Cost Balancing Account |  | $ | 16,580 |  |  | $ | 13,741 |
Costs deferred for future recovery on Aerojet case |  | 6,544 |  |  | 6,751 |
Pensions and other post-retirement obligations (Note 8) |  | 64,693 |  |  | 65,576 |
COVID-19 memorandum accounts |  | 5,140 |  |  | 4,119 |
Excess deferred income taxes |  | (73,926) |  |  | (74,185) |
Flow-through taxes, net |  | (9,013) |  |  | (9,722) |
Other regulatory assets |  | 10,739 |  |  | 10,670 |
Various refunds to customers |  | (4,527) |  |  | (4,577) |
Total GSWC |  | $ | 16,230 |  |  | $ | 12,373 |
BVESI |  |  |  |
Derivative unrealized (gain) loss (Note 5) |  | (1,224) |  | 1,537
Other regulatory assets |  | 3,257 |  | 2,629
Total AWR |  | $ | 18,263 |  |  | $ | 16,539 |

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