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Regulatory Matters: (Tables) | 9 Months Ended
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Sep. 30, 2020
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) |  | September 30, 2020 |  | December 31, 2019
GSWC |  |  |  |
Water Revenue Adjustment Mechanism and Modified Cost Balancing Account |  | $ | 24,904 |  |  | $ | 22,535 |
Costs deferred for future recovery on Aerojet case |  | 7,169 |  |  | 8,292 |
Pensions and other post-retirement obligations (Note 8) |  | 40,606 |  |  | 40,693 |
Derivative unrealized loss (Note 5) |  | — |  |  | 3,171 |
General rate case memorandum accounts |  | 218 |  |  | 4,820 |
Excess deferred income taxes |  | (74,597) |  |  | (79,886) |
Flow-through taxes, net |  | (10,809) |  |  | (12,439) |
Other regulatory assets |  | 12,227 |  |  | 18,842 |
Various refunds to customers |  | (3,620) |  |  | (8,478) |
Total GSWC |  | $ | (3,902) |  |  | $ | (2,450) |
BVESI |  |  |  |
Derivative unrealized loss (Note 5) |  | 2,518 |  | — |
Other regulatory assets |  | 171 |  | — |
Total AWR |  | $ | (1,213) |  |  | $ | (2,450) |

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