XML 112 R96.htm IDEA: XBRL DOCUMENT
v3.6.0.2

SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF PARENT 4 (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Oct. 31, 2016 | Sep. 30, 2016 | Oct. 27, 2015
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Balance outstanding at the end of the period | $ 90,000,000 | $ 28,000,000 |  |  |  |
Short-term borrowing (excluding letters of credit) |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Balance outstanding at the end of the period | $ 90,000,000 | $ 28,000,000 |  |  |  |
Interest Rate at the end of the period (as a percent) | 1.46% | 1.09% |  |  |  |
Average Amount Outstanding | $ 59,261,000 | $ 4,112,000 |  |  |  |
Weighted Average Annual Interest Rate (as a percent) | 1.20% | 0.92% |  |  |  |
Maximum Amount Outstanding | $ 96,000,000 | $ 37,000,000 |  |  |  |
Syndicated revolving credit facility |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Variable rate basis | Euro rate |  |  |  |  |
Syndicated revolving credit facility | Minimum |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Interest coverage ratio | 325.00% |  |  |  |  |
Syndicated revolving credit facility | Maximum [Member] |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Total funded debt ratio | 65.00% |  |  |  |  |
Syndicated revolving credit facility | Letter of Credit Irrevocable Franchise Agreement with City of Rancho Cordova [Member] |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Letter of credit, amount | $ 15,000,000 |  |  |  |  |
AWR |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 150,000,000 | $ 100,000,000.0 |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Balance outstanding at the end of the period | $ 90,000,000 | 28,000,000 |  |  |  |
AWR | Syndicated revolving credit facility |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Interest coverage ratio | 707.00% |  |  |  |  |
Total funded debt ratio | 46.00% |  |  |  |  |
AWR | Syndicated revolving credit facility | Minimum |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Interest coverage ratio | 325.00% |  |  |  |  |
AWR | Syndicated revolving credit facility | Maximum [Member] |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Total funded debt ratio | 65.00% |  |  |  |  |
AWR | Syndicated revolving credit facility | Letters of credit |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Maximum borrowing capacity | $ 25,000,000 |  |  |  |  |
Letter of credit, amount | $ 9,900,000 |  |  |  |  |
Letter of credit fee (as a percent) | 0.65% |  |  |  |  |
AWR | Syndicated revolving credit facility | Letter of Credit - GSWC business automobile insurance policy |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Letter of credit, amount | $ 340,000 |  |  |  |  |
AWR | Syndicated revolving credit facility | Letter of Credit - American Recovery and Reinvestment Act |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Letter of credit, amount | 5,400,000 |  |  |  |  |
AWR | Syndicated revolving credit facility | Letter of Credit - Purchase of power |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Letter of credit, amount | 585,000,000 |  |  |  |  |
AWR | Syndicated revolving credit facility | Irrevocable Letter of Credit - Edison Settlement agreement |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Letter of credit, amount | 3,600,000 |  |  |  |  |
Subsidiaries [Member] |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Dividends paid | (33,800,000) |  | $ (52,000,000) |  |  |
GSWC |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Dividends paid | (25,450,000) | (62,000,000) | $ (52,000,000) |  |  |
Syndicated revolving credit facility | AWR | Syndicated revolving credit facility |  |  |  |  |  |
Note payable to banks |  |  |  |  |  |
Maximum borrowing capacity | 150,000,000 |  |  |  |  |
Notes Payable, Other Payables [Member] | GSWC |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 40,000,000
Debt Instrument, Maximum Borrowing Capacity |  |  |  |  |  | 40,000,000
Notes Payable, Other Payables [Member] | American States Utility Services [Member] |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | 10,000,000
Debt Instrument, Maximum Borrowing Capacity |  |  |  |  |  | $ 10,000,000
Notes Receivable | Notes Payable, Other Payables [Member] | AWR |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Notes Receivable, Related Parties, Current |  | $ 0 |  |  | $ 0 |
Notes Receivable | Notes Payable, Other Payables [Member] | GSWC |  |  |  |  |  |
Short-term borrowing activities (excluding letters of credit) |  |  |  |  |  |
Notes Receivable, Related Parties, Current | $ 0 |  |  |  |  |

X
- Definition Represents the funded debt ratio required to be maintained for debt instrument. + References No definition available. + Details
Name: | awr_DebtInstrumentCovenantFundedDebtRatio
Namespace Prefix: | awr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the interest coverage ratio required to be maintained for debt instrument. + References No definition available. + Details
Name: | awr_DebtInstrumentCovenantInterestCoverageRatio
Namespace Prefix: | awr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Maximum Borrowing Capacity + References No definition available. + Details
Name: | awr_DebtInstrumentMaximumBorrowingCapacity
Namespace Prefix: | awr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash outflow from subsidiaries in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References No definition available. + Details
Name: | awr_PaymentsOfDividendsFromSubsidiaries
Namespace Prefix: | awr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | awr_ScheduleOfDebtInstrumentsLineItems
Namespace Prefix: | awr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 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_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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

X
- 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

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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

X
- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_NotesReceivableRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ShortTermBorrowingsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- 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

X
- 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

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

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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

X
- Details
Name: | dei_LegalEntityAxis=awr_GoldenStateWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=awr_AmericanStatesUtilityServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_NotesReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |