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Regulatory Matters: Alternative-Revenue Programs (Details) (GSWC, USD $) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Regulatory matters: |  |  |  |  |
Under (over) collection | $ 103,616,000 |  | $ 103,616,000 |  | $ 122,681,000
WRAM, net of MCBA |  |  |  |  |
Regulatory matters: |  |  |  |  |
Commercial paper, term |  |  | 90 days |  |
Amount billed to customers as surcharges | 5,800,000 | 9,100,000 | 12,200,000 | 19,800,000 |
Under (over) collection | 13,987,000 |  | 13,987,000 |  | 16,345,000
WRAM, net of MCBA | Minimum |  |  |  |  |
Regulatory matters: |  |  |  |  |
Regulatory asset recovery periods |  |  | 18 months |  |
WRAM, net of MCBA | Maximum |  |  |  |  |
Regulatory matters: |  |  |  |  |
Regulatory asset recovery periods |  |  | 24 months |  |
WRAM |  |  |  |  |
Regulatory matters: |  |  |  |  |
Under (over) collection | 13,600,000 |  | 13,600,000 |  |
Modified Cost Balancing Account |  |  |  |  |
Regulatory matters: |  |  |  |  |
Under (over) collection | 400,000 |  | 400,000 |  |
Base revenue requirement adjustment mechanism |  |  |  |  |
Regulatory matters: |  |  |  |  |
Under (over) collection | $ 10,100,000 |  | $ 10,100,000 |  | $ 8,725,000

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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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