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Regulatory Matters: (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Regulatory matters: |  |
Regulatory asset not accruing carrying costs | $ 67,900 |
Other Liabilities, Current | 17,451 | $ 18,760
Pension and other post-retirement obligations |  |
Regulatory matters: |  |
Regulatory asset not accruing carrying costs | 39,700 |
Derivative unrealized loss |  |
Regulatory matters: |  |
Regulatory asset not accruing carrying costs | 5,700 |
GOLDEN STATE WATER COMPANY |  |
Regulatory matters: |  |
Regulatory assets | 139,240 | 125,704
Other Liabilities, Current | 17,223 | 18,659
GOLDEN STATE WATER COMPANY | Water Revenue Adjustment Mechanism, net of Modified Cost Balancing Account |  |
Regulatory matters: |  |
Regulatory Asset Amount Billed to Customers as Surcharges | 96 |
Regulatory assets | 28,542 | 9,369
GOLDEN STATE WATER COMPANY | Base Revenue Requirement Adjustment Mechanism |  |
Regulatory matters: |  |
Regulatory assets | 5,668 | 7,761
GOLDEN STATE WATER COMPANY | Costs deferred for future recovery on Aerojet case |  |
Regulatory matters: |  |
Regulatory assets | 13,220 | 13,629
GOLDEN STATE WATER COMPANY | Pension and other post-retirement obligations |  |
Regulatory matters: |  |
Regulatory assets | 42,145 | 43,426
GOLDEN STATE WATER COMPANY | Derivative unrealized loss |  |
Regulatory matters: |  |
Regulatory assets | 5,662 | 3,339
GOLDEN STATE WATER COMPANY | Flow-through taxes, net |  |
Regulatory matters: |  |
Regulatory assets | 16,745 | 17,612
GOLDEN STATE WATER COMPANY | Low income rate assistance balancing accounts |  |
Regulatory matters: |  |
Regulatory assets | 8,990 | 9,109
GOLDEN STATE WATER COMPANY | Other regulatory assets |  |
Regulatory matters: |  |
Regulatory assets | 18,888 | 22,218
Other Liabilities, Current | 3,800 |
Various refunds to customers | GOLDEN STATE WATER COMPANY |  |
Regulatory matters: |  |
Regulatory assets | $ (620) | $ (759)

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- Definition The net amount of all regulatory assets less all regulatory liabilities as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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