XML 17 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Regulatory Matters: BVES General Rate Case and Renewables Portfolio Standard (Details) (GSWC, USD $) |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Aug. 31, 2012 BVES General Rate Case | Mar. 31, 2014 BVES General Rate Case
Regulatory matters: |  |  |  |
Amount of retroactive ratemaking proposal included in DRA's recommendation to increase accumulated depreciation |  |  | $ 2,000,000 |
Net regulatory assets | $ 119,650,000 | $ 122,681,000 |  | $ 1,600,000
Portion of deferred rate case costs required to be written off, if DRA prevails |  |  |  | 50.00%
Percentage of deferred rate case cost to be borne by shareholders |  |  |  | 50.00%

X
- Definition Represents the amount of retroactive ratemaking proposal included in DRA's recommendation to increase accumulated depreciation. + References No definition available. + Details
Name: | awr_AmountOfRetroactiveRateMakingProposalToIncreaseAccumulatedDepreciation
Namespace Prefix: | awr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the portion of deferred rate case cost borne by shareholders. + References No definition available. + Details
Name: | awr_PercentageOfDeferredRateCaseCostBorneByShareholders
Namespace Prefix: | awr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the portion of deferred rate case costs required to be written off, if DRA prevails. + References No definition available. + Details
Name: | awr_PercentageOfDeferredRateCostsRequiredToBeWrittenOffIfDRAPrevails
Namespace Prefix: | awr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | awr_RegulatoryAssetsAndLiabilitiesLineItems
Namespace Prefix: | awr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_NetRegulatoryAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant