XML 99 R9999.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Label | Element | Value
--- | --- | ---
Short term Borrowings [Member] |  |
Debt Instrument, Interest Rate, Effective Percentage | us-gaap_DebtInstrumentInterestRateEffectivePercentage | 0.82%
Debt Instrument, Interest Rate, Effective Percentage | us-gaap_DebtInstrumentInterestRateEffectivePercentage | 0.82%
Debt Instrument, Interest Rate, Effective Percentage | us-gaap_DebtInstrumentInterestRateEffectivePercentage | 1.09%
Notes Payable to Bank, Current | us-gaap_NotesPayableToBankCurrent | $ 0
Notes Payable to Bank, Current | us-gaap_NotesPayableToBankCurrent | 0
Notes Payable to Bank, Current | us-gaap_NotesPayableToBankCurrent | 28,000,000
Short-term Debt, Maximum Amount Outstanding During Period | us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod | 0
Short-term Debt, Maximum Amount Outstanding During Period | us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod | 24,000,000
Short-term Debt, Maximum Amount Outstanding During Period | us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod | $ 37,000,000
Short-term Debt, Weighted Average Interest Rate | us-gaap_ShortTermDebtWeightedAverageInterestRate | 1.02%
Short-term Debt, Weighted Average Interest Rate | us-gaap_ShortTermDebtWeightedAverageInterestRate | 0.81%
Short-term Debt, Weighted Average Interest Rate | us-gaap_ShortTermDebtWeightedAverageInterestRate | 0.92%
Short-term Debt, Average Outstanding Amount | us-gaap_ShorttermDebtAverageOutstandingAmount | $ 0
Short-term Debt, Average Outstanding Amount | us-gaap_ShorttermDebtAverageOutstandingAmount | 6,181,000
Short-term Debt, Average Outstanding Amount | us-gaap_ShorttermDebtAverageOutstandingAmount | 4,112,000
Syndicated Revolving Credit Facility [Member] | Letter of Credit American Recovery and Reinvestment Act Cost Reimbursements [Member] | Parent Company [Member] |  |
Letters of Credit Outstanding, Amount | us-gaap_LettersOfCreditOutstandingAmount | 5,800,000
Syndicated Revolving Credit Facility [Member] | Letter of Credit Business Automobile Insurance Policy Security [Member] | Parent Company [Member] |  |
Letters of Credit Outstanding, Amount | us-gaap_LettersOfCreditOutstandingAmount | 340,000
Syndicated Revolving Credit Facility [Member] | Letter of Credit Irrevocable Edison Settlement Agreement [Member] | Parent Company [Member] |  |
Letters of Credit Outstanding, Amount | us-gaap_LettersOfCreditOutstandingAmount | 3,600,000
Syndicated Revolving Credit Facility [Member] | Letter of Credit Purchase of Power Security [Member] | Parent Company [Member] |  |
Letters of Credit Outstanding, Amount | us-gaap_LettersOfCreditOutstandingAmount | $ 585,000,000

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Current portion of the total carrying amount as of the balance sheet date due within one year or the operating cycle, if longer, on all notes payable to banks paid on an installment with long term maturities. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)(1),20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesPayableToBankCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Weighted average interest rate of short-term debt outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period. + References No definition available. + Details
Name: | us-gaap_ShorttermDebtAverageOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period. + References No definition available. + Details
Name: | us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentAxis=awr_ShorttermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_CreditFacilityAxis=awr_SyndicatedRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=awr_LetterOfCreditAmericanRecoveryAndReinvestmentActCostReimbursementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=awr_LetterOfCreditBusinessAutomobileInsurancePolicySecurityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=awr_LetterOfCreditIrrevocableEdisonSettlementAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=awr_LetterOfCreditPurchaseOfPowerSecurityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |