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Regulatory Matters (Details 9) (GSWC, USD $) |  |  | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Aug. 31, 2012 BVES General Rate Case | Dec. 31, 2013 BVES General Rate Case | Dec. 31, 2012 Renewables Portfolio Standard | Dec. 31, 2013 Renewables Portfolio Standard renewable_energy
Regulatory matters: |  |  |  |  |  |
Amount of retroactive ratemaking proposal included in DRA's recommendation to increase accumulated depreciation |  |  | $ 2,000,000 |  |  |
Portion of deferred rate case cost borne by shareholders |  |  |  | 50.00% |  |
Net regulatory assets | $ 122,681,000 | $ 176,015,000 |  | $ 1,800,000 |  |
Portion of deferred rate case costs required to be written off, if DRA prevails |  |  |  | 50.00% |  |
Agreement period to purchase renewable energy credits |  |  |  |  | 10 years |
Number of renewable energy credits that would be purchased |  |  |  |  |  | 582,000

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- Definition Represents the amount of retroactive ratemaking proposal included in DRA's recommendation to increase accumulated depreciation. + References No definition available. + Details
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- Definition Represents the portion of deferred rate case cost borne by shareholders. + References No definition available. + Details
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- Definition Represents the portion of deferred rate case costs required to be written off, if DRA prevails. + References No definition available. + Details
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- Definition Represents the period of agreement with a third party to purchase renewable energy credits. + References No definition available. + Details
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- Definition Represents the number of renewable energy credits that would be purchased over a contractual period of time. + References No definition available. + Details
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- Details
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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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