XML 106 R69.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Employee Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 participant item | Dec. 31, 2012
Defined contribution plan |  |
Employer contribution to the plan | $ 1,900 |
Pension Plan |  |
Employee benefit plans |  |
Minimum age for eligibility under the Pension Plan | 21 |
Minimum period of service for eligibility under the Pension Plan | 5 years |
Normal retirement benefit (as a percent) | 2.00% |
Number of highest consecutive years' average earnings used in computing retirement benefit | 5 years |
Maximum number of years of credited service considered in determining retirement benefit | 40 years |
Number of participants in the Pension Plan | 985 |
Defined contribution plan |  |
Percentage of participant's eligible pay contributed to the plan by the employer | 5.25% |
Eligibility for employer matching contributions, period of service | 3 years |
Employer contribution to the plan | $ 394 | $ 254

X
- Definition Represents the maximum number of years of credited service used in computing the retirement benefit. + References No definition available. + Details
Name: | awr_DefinedBenefitPlanMaximumNumberOfYearsOfCreditedServiceConsideredInComputingRetirementBenefit
Namespace Prefix: | awr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum age required by the employees to be eligible to participate in the plan. + References No definition available. + Details
Name: | awr_DefinedBenefitPlanMinimumAgeForEligibility
Namespace Prefix: | awr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum period of service required in order to participate in the plan. + References No definition available. + Details
Name: | awr_DefinedBenefitPlanMinimumPeriodOfServiceForEligibility
Namespace Prefix: | awr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of highest consecutive years' average earnings used in computing the retirement benefit. + References No definition available. + Details
Name: | awr_DefinedBenefitPlanNumberOfHighestConsecutiveYearsAverageEarningsUsedInComputingRetirementBenefit
Namespace Prefix: | awr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of normal retirement benefit. + References No definition available. + Details
Name: | awr_DefinedBenefitPlanRetirementBenefitPercentage
Namespace Prefix: | awr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of service required in order to be eligible for the employer's matching contributions. + References No definition available. + Details
Name: | awr_DefinedContributionPlanEligiblePeriodOfServiceForMatchingContribution
Namespace Prefix: | awr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of employees eligible to participate in the defined contribution plan or plans described. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanNumberOfEmployeesCovered
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration