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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2013
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) |  | 2013 |  | 2012
GSWC |  |  |  |  |  |
Water Revenue Adjustment Mechanism, net of Modified Cost Balancing Account |  | $ | 16,345 |  |  | $ | 42,574 |
Base Revenue Requirement Adjustment Mechanism |  | 8,725 |  |  | 6,833 |
Costs deferred for future recovery on Aerojet case |  | 14,763 |  |  | 16,030 |
Pensions and other post-retirement obligations (Note 11) |  | 20,241 |  |  | 56,894 |
Derivative unrealized loss (Note 4) |  | — |  |  | 3,060 |
Flow-through taxes, net (Note 10) |  | 16,189 |  |  | 16,415 |
Low income rate assistance balancing accounts |  | 9,979 |  |  | 9,119 |
General rate case memorandum accounts |  | 15,645 |  |  | 4,495 |
Other regulatory assets |  | 25,086 |  |  | 28,153 |
Various refunds to customers |  | (4,292 | ) |  | (7,558 | )
Total |  | $ | 122,681 |  |  | $ | 176,015 |

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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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