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Regulatory Matters: (Tables) | 3 Months Ended
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Mar. 31, 2015
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, 2015 |  | December 31, 2014
GSWC |  |  |  |
Water Revenue Adjustment Mechanism, net of Modified Cost Balancing Account |  | $ | 17,948 |  |  | $ | 9,369 |
Base Revenue Requirement Adjustment Mechanism |  | 6,452 |  |  | 7,761 |
Costs deferred for future recovery on Aerojet case |  | 13,457 |  |  | 13,629 |
Pensions and other post-retirement obligations (Note 7) |  | 42,884 |  |  | 43,426 |
Derivative unrealized loss (Note 4) |  | 6,176 |  |  | 3,339 |
Flow-through taxes, net (Note 6) |  | 17,092 |  |  | 17,612 |
Low income rate assistance balancing accounts |  | 9,215 |  |  | 9,109 |
General rate case memorandum accounts |  | 4,651 |  |  | 4,731 |
Other regulatory assets |  | 14,686 |  |  | 17,487 |
Various refunds to customers |  | (640 | ) |  | (759 | )
Total |  | $ | 131,921 |  |  | $ | 125,704 |

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- Definition Tabular disclosure of regulatory assets, less regulatory liabilities, included in consolidated balance sheets for continuing operations. + References No definition available. + Details
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