XML 82 R66.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Bank Debt (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jul. 01, 2020 USD ($)
Bank debt |  |  |
Line of credit facility, current borrowing capacity | $ 200,000,000 |  |
Bear Valley Electric Service, Inc. |  |  |
Bank debt |  |  |
Maximum borrowing capacity | 35,000,000 |  |
Incremental expansion of borrowing capacity | 15,000,000 |  | $ 35,000,000
Notes Payable | $ 31,000,000 |  |
GSWC |  |  |
Bank debt |  |  |
Short-term Debt, Terms | 24 |  |
Long-term Debt [Member] |  |  |
Bank debt |  |  |
Balance Outstanding at December 31, | $ 205,500,000 | $ 134,200,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |
Balance Outstanding at December 31, | 205,500,000 | 134,200,000 |
Short-term borrowing (excluding letters of credit) |  |  |
Bank debt |  |  |
Average Amount Outstanding | $ 165,167,000 | $ 162,995,000 |
Weighted Average Annual Interest Rate (as a percent) | 1.05% | 1.47% |
Maximum Amount Outstanding | $ 205,500,000 | $ 249,200,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |
Weighted Average Annual Interest Rate (as a percent) | 1.05% | 1.47% |
Average Amount Outstanding | $ 165,167,000 | $ 162,995,000 |
Maximum Amount Outstanding | 205,500,000 | 249,200,000 |
Average amount outstanding | $ 165,167,000 | $ 162,995,000 |
Short-term borrowing (excluding letters of credit) | Maximum |  |  |
Bank debt |  |  |
Interest Rate at the end of the period (as a percent) | 1.61% | 1.90% |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest Rate at the end of the period (as a percent) | 1.61% | 1.90% |
Short-term borrowing (excluding letters of credit) | Minimum |  |  |
Bank debt |  |  |
Interest Rate at the end of the period (as a percent) | 0.78% | 1.19% |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest Rate at the end of the period (as a percent) | 0.78% | 1.19% |
Syndicated revolving credit facility |  |  |
Bank debt |  |  |
Variable rate basis | LIBOR |  |
Syndicated revolving credit facility | Bear Valley Electric Service, Inc. |  |  |
Bank debt |  |  |
Interest coverage ratio | 58.6 |  |
Total funded debt ratio | 0.30 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest coverage ratio | 58.6 |  |
Total funded debt ratio | 0.30 |  |
Syndicated revolving credit facility | Maximum |  |  |
Bank debt |  |  |
Total funded debt ratio | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Total funded debt ratio | 0.65 |  |
Syndicated revolving credit facility | Minimum |  |  |
Bank debt |  |  |
Interest coverage ratio | 3.25 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest coverage ratio | 3.25 |  |
Syndicated revolving credit facility | Minimum | Bear Valley Electric Service, Inc. |  |  |
Bank debt |  |  |
Interest coverage ratio | 4.5 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest coverage ratio | 4.5 |  |
AWR |  |  |
Bank debt |  |  |
Line of credit facility, current borrowing capacity | $ 200,000,000 |  |
AWR | Long-term Debt [Member] |  |  |
Bank debt |  |  |
Balance Outstanding at December 31, | 174,500,000 | $ 114,000,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |
Balance Outstanding at December 31, | $ 174,500,000 | $ 114,000,000 |
AWR | Short-term borrowing (excluding letters of credit) |  |  |
Bank debt |  |  |
Interest Rate at the end of the period (as a percent) | 0.78% | 1.19% |
Average Amount Outstanding | $ 139,926,000 | $ 160,495,000 |
Weighted Average Annual Interest Rate (as a percent) | 0.91% | 1.47% |
Maximum Amount Outstanding | $ 174,500,000 | $ 249,000,000 |
Short-term borrowing activities (excluding letters of credit) |  |  |
Weighted Average Annual Interest Rate (as a percent) | 0.91% | 1.47% |
Average Amount Outstanding | $ 139,926,000 | $ 160,495,000 |
Maximum Amount Outstanding | $ 174,500,000 | $ 249,000,000 |
Interest Rate at the end of the period (as a percent) | 0.78% | 1.19% |
Average amount outstanding | $ 139,926,000 | $ 160,495,000 |
AWR | Syndicated revolving credit facility |  |  |
Bank debt |  |  |
Interest coverage ratio | 8.21 |  |
Total funded debt ratio | 0.47 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest coverage ratio | 8.21 |  |
Total funded debt ratio | 0.47 |  |
AWR | Syndicated revolving credit facility | Bear Valley Electric Service, Inc. |  |  |
Bank debt |  |  |
Total funded debt ratio | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Total funded debt ratio | 0.65 |  |
AWR | Syndicated revolving credit facility | Maximum |  |  |
Bank debt |  |  |
Total funded debt ratio | 1.00 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Total funded debt ratio | 1.00 |  |
AWR | Syndicated revolving credit facility | Minimum |  |  |
Bank debt |  |  |
Interest coverage ratio | 3.25 |  |
Total funded debt ratio | 0.65 |  |
Short-term borrowing activities (excluding letters of credit) |  |  |
Interest coverage ratio | 3.25 |  |
Total funded debt ratio | 0.65 |  |
AWR | Syndicated revolving credit facility | Letters of credit |  |  |
Bank debt |  |  |
Maximum borrowing capacity | $ 25,000,000 |  |
Letter of credit, amount | $ 455,000 |  |
Letter of credit fee (as a percent) | 0.65% |  |

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: | xbrli:pureItemType
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: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Incremental Expansion of Borrowing Capacity + References No definition available. + Details
Name: | awr_LineofCreditFacilityIncrementalExpansionofBorrowingCapacity
Namespace Prefix: | awr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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 Description of reference rate used for variable rate of debt instrument. + 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 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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_NotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesPayableCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Description of the terms and manner of settlement of the related party transaction. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionTermsAndMannerOfSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 calculated at point in time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (a) Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1402 -Paragraph (b) -Subparagraph (1) + 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: | dei_LegalEntityAxis=awr_BearValleyElectricServiceIncMember
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_DebtInstrumentAxis=us-gaap_LongTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
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: | srt_ConsolidatedEntitiesAxis=srt_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: |