XML 69 R53.htm IDEA: XBRL DOCUMENT v3.22.0.1

Regulatory Matters (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Regulatory matters:
Regulatory Asset Not Accruing Carrying Costs	$ 61,400,000
Total	(22,796,000)	$ 16,539,000
Water Revenue Adjustment Mechanism [Member]
Regulatory matters:
Regulatory adjustment	7,100,000
Pension Costs and Other Postretirement Benefit Costs
Regulatory matters:
Regulatory Asset Not Accruing Carrying Costs	24,900,000
Flow-through taxes, net
Regulatory matters:
Total	(6,300,000)
Excess deferred income taxes
Regulatory matters:
Total	(77,000,000)
GSWC
Regulatory matters:
Total	(24,082,000)	12,373,000
Regulatory Asset CEMA	1,700,000
GSWC | Various refunds to customers
Regulatory matters:
Total	(2,680,000)	(4,577,000)
GSWC | WRAM, net of MCBA
Regulatory matters:
Total	13,326,000	13,741,000
GSWC | Water Revenue Adjustment Mechanism [Member]
Regulatory matters:
Total	(3,800,000)
Deferred Revenues	0
GSWC | Costs deferred for future recovery on Aerojet case
Regulatory matters:
Total	5,210,000	6,751,000
GSWC | Pension Costs and Other Postretirement Benefit Costs
Regulatory matters:
Total	25,212,000	65,576,000
Regulatory Assets	25,000,000
GSWC | COVID-19 memorandum account
Regulatory matters:
Total	1,663,000	4,119,000
GSWC | Flow-through taxes, net
Regulatory matters:
Total	(5,552,000)	(9,722,000)
GSWC | Excess deferred income taxes
Regulatory matters:
Total	(73,000,000)	(74,185,000)
GSWC | Other Regulatory Assets
Regulatory matters:
Total	11,739,000	10,670,000
Bear Valley Electric Service, Inc.
Regulatory matters:
Regulatory Asset CEMA	302,000
Bear Valley Electric Service, Inc. | Various refunds to customers
Regulatory matters:
Total	(8,189,000)	(6,822,000)
Bear Valley Electric Service, Inc. | Gain (Loss) on Derivative Instruments [Member]
Regulatory matters:
Total	(4,441,000)	1,537,000
Bear Valley Electric Service, Inc. | Other Regulatory Assets
Regulatory matters:
Total	$ 13,916,000	$ 9,451,000

X

- Definition

Regulatory Asset CEMA

+ References

No definition available.

+ Details

Name:	awr_RegulatoryAssetCEMA
Namespace Prefix:	awr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents the regulatory asset not accruing carrying costs as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	awr_RegulatoryAssetNotAccruingCarryingCosts
Namespace Prefix:	awr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

-- None. No documentation exists for this element. --

+ References

No definition available.

+ Details

Name:	awr_RegulatoryAssetsAndLiabilitiesLineItems
Namespace Prefix:	awr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredRevenueRevenueRecognized1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

+ Details

Name:	us-gaap_IncreaseDecreaseInOtherRegulatoryAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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://fasb.org/us-gaap/role/ref/legacyRef
-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

X

- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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_RegulatoryAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_WaterRevenueAdjustmentMechanismMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_PensionCostsAndOtherPostretirementBenefitCostsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_FlowThroughTaxesNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember
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_RegulatoryLiabilityAxis=us-gaap_RevenueSubjectToRefundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_WaterRevenueAdjustmentMechanismNetOfModifiedCostBalancingAccountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_CostsDeferredForFutureRecoveryOnAerojetCaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_COVID19MemorandumAccountCEMAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=awr_OtherRegulatoryAssetsNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=awr_BearValleyElectricServiceIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAssetAxis=us-gaap_GainLossOnDerivativeInstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: