$AWR
AMERICAN STATES WATER CO Stock $awr

$awr Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000162828023005869 Filed on March 01, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$161.4M	$125.4M	$491.5M
YoY Change	48.68%	7.5%	-1.47%
Cost Of Revenue	$21.64M	$26.36M	$53.17M
YoY Change	-14.75%	13.53%	-6.57%
Gross Profit	$139.8M	$99.01M	$438.4M
YoY Change	68.04%	6.0%	-0.81%
Gross Profit Margin	86.59%	78.98%	89.18%
Selling, General & Admin	$23.55M	$21.16M	$86.19M
YoY Change	2.5%	2.67%	3.16%
% of Gross Profit	16.85%	21.37%	19.66%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$11.20M	$11.01M	$41.32M
YoY Change	10.77%	4.51%	4.34%
% of Gross Profit	8.01%	11.12%	9.42%
Operating Expenses	$88.61M	$71.47M	$262.1M
YoY Change	50.66%	11.93%	1.57%
Operating Profit	$51.17M	$27.54M	$126.6M
YoY Change	109.99%	-6.81%	-10.17%
Interest Expense	$9.481M	-$6.842M	$27.03M
YoY Change	69.12%	47.65%	18.36%
% of Operating Profit	18.53%	-24.84%	21.34%
Other Income/Expense, Net	-$6.006M	$2.495M	-$24.58M
YoY Change	4.6%	16.81%	51.64%
Pretax Income	$45.16M	$23.27M	$102.1M
YoY Change	142.49%	-15.45%	-18.2%
Income Tax	$10.75M	$4.638M	$23.66M
% Of Pretax Income	23.81%	19.93%	23.19%
Net Earnings	$34.41M	$18.58M	$78.40M
YoY Change	142.95%	-8.7%	-16.91%
Net Earnings / Revenue	21.31%	14.82%	15.95%
Basic Earnings Per Share	$0.93		$2.12
Diluted Earnings Per Share	$0.93	$0.50	$2.11
COMMON SHARES
Basic Shares Outstanding	36.97M shares	36.96M shares	36.96M shares
Diluted Shares Outstanding	37.05M shares		37.04M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$8.795M	$17.84M	$17.84M
YoY Change	-48.71%	89.75%	89.75%
Cash & Equivalents	$2.126M	$5.997M	$5.997M
Short-Term Investments	$6.669M	$11.85M	$11.85M
Other Short-Term Assets	$45.17M	$40.14M	$40.14M
YoY Change	-1.33%	-2.95%	-2.95%
Inventory	$16.28M	$14.62M	$14.62M
Prepaid Expenses
Receivables	$21.29M	$26.21M	$74.79M
Other Receivables	$35.00K	$3.901M	$3.901M
Total Short-Term Assets	$139.7M	$151.3M	$151.3M
YoY Change	6.75%	9.59%	9.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.780B	$1.754B	$1.800B
YoY Change	7.92%	7.86%	7.33%
Goodwill	$1.116M	$1.116M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$13.40M	$13.53M	$19.23M
YoY Change	-13.29%	-16.62%	-0.96%
Total Long-Term Assets	$1.921B	$1.883B	$1.883B
YoY Change	7.72%	6.82%	6.82%
TOTAL ASSETS
Total Short-Term Assets	$139.7M	$151.3M	$151.3M
Total Long-Term Assets	$1.921B	$1.883B	$1.883B
Total Assets	$2.060B	$2.034B	$2.034B
YoY Change	7.65%	7.02%	7.02%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$65.71M	$84.85M	$84.85M
YoY Change	-2.64%	28.75%	28.75%
Accrued Expenses	$8.411M	$37.45M	$37.45M
YoY Change	33.09%	724.05%	-6.33%
Deferred Revenue	$560.0K	$903.0K
YoY Change	166.67%	251.36%
Short-Term Debt	$175.5M	$255.5M	$255.5M
YoY Change	448.44%	724.19%	724.19%
Long-Term Debt Due	$404.0K	$399.0K	$399.0K
YoY Change	5.76%	5.84%	5.84%
Total Short-Term Liabilities	$307.7M	$396.5M	$396.5M
YoY Change	92.12%	154.88%	154.88%
LONG-TERM LIABILITIES
Long-Term Debt	$576.4M	$446.5M	$468.5M
YoY Change	39.86%	8.34%	-20.14%
Other Long-Term Liabilities	$14.51M	$14.40M	$310.1M
YoY Change	3.88%	3.82%	-6.74%
Total Long-Term Liabilities	$590.9M	$481.8M	$778.6M
YoY Change	38.68%	-25.57%	-15.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$307.7M	$396.5M	$396.5M
Total Long-Term Liabilities	$590.9M	$481.8M	$778.6M
Total Liabilities	$898.6M	$878.3M	$1.325B
YoY Change	53.28%	9.39%	9.04%
SHAREHOLDERS EQUITY
Retained Earnings	$469.1M	$449.4M
YoY Change	9.56%	5.12%
Common Stock	$261.8M	$260.2M
YoY Change	0.97%	0.66%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$730.8M	$709.5M	$709.5M
YoY Change
Total Liabilities & Shareholders Equity	$2.060B	$2.034B	$2.034B
YoY Change	7.65%	7.02%	7.02%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$34.41M	$18.58M	$78.40M
YoY Change	142.95%	-8.7%	-16.91%
Depreciation, Depletion And Amortization	$11.20M	$11.01M	$41.32M
YoY Change	10.77%	4.51%	4.34%
Cash From Operating Activities	$6.964M	$27.87M	$117.8M
YoY Change	-81.69%	-17.22%	1.92%
INVESTING ACTIVITIES
Capital Expenditures	$49.34M	$44.18M	$166.2M
YoY Change	40.28%	-216.91%	15.03%
Acquisitions
YoY Change
Other Investing Activities	-$172.0K	-$1.183M	$921.0K
YoY Change	42.15%	46.77%	-19.35%
Cash From Investing Activities	-$49.17M	-$45.37M	-$167.1M
YoY Change	40.28%	17.53%	15.17%
FINANCING ACTIVITIES
Cash Dividend Paid	$14.70M		$56.36M
YoY Change	8.97%		9.03%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$109.0K		$377.0K
YoY Change	5.83%		-98.67%
Cash From Financing Activities	$38.33M	21.24M	$50.34M
YoY Change	1653.43%	669.29%	-2321.4%
NET CHANGE
Cash From Operating Activities	$6.964M	27.87M	$117.8M
Cash From Investing Activities	-$49.17M	-45.37M	-$167.1M
Cash From Financing Activities	$38.33M	21.24M	$50.34M
Net Change In Cash	-$3.871M	3.739M	$1.034M
YoY Change	-174.98%	-271.67%	-103.25%
FREE CASH FLOW
Cash From Operating Activities	$6.964M	$27.87M	$117.8M
Capital Expenditures	$49.34M	$44.18M	$166.2M
Free Cash Flow	-$42.37M	-$16.32M	-$48.44M
YoY Change	-1583.65%	-122.84%	67.44%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001056903
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-14431
CY2022	dei	Entity Registrant Name EntityRegistrantName	American States Water Company
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4676679
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	CA
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	630 E. Foothill Boulevard,
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	San Dimas
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91773-1212
CY2022	dei	City Area Code CityAreaCode	(909)
CY2022	dei	Local Phone Number LocalPhoneNumber	394-3600
CY2022	dei	Security12b Title Security12bTitle	American States Water Company Common Shares
CY2022	dei	Trading Symbol TradingSymbol	AWR
CY2022	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	3012286000	usd
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	36969622	shares
CY2022	dei	Auditor Firm AuditorFirmId	238
CY2022	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2022	dei	Auditor Location AuditorLocation	Los Angeles, California
CY2022Q4	awr	Utilities Water Property Plant And Equipment Gross UtilitiesWaterPropertyPlantAndEquipmentGross	2006468000	usd
CY2021Q4	awr	Utilities Water Property Plant And Equipment Gross UtilitiesWaterPropertyPlantAndEquipmentGross	1898817000	usd
CY2022Q4	awr	Utilities Electric Property Plant And Equipment Gross UtilitiesElectricPropertyPlantAndEquipmentGross	133815000	usd
CY2021Q4	awr	Utilities Electric Property Plant And Equipment Gross UtilitiesElectricPropertyPlantAndEquipmentGross	116472000	usd
CY2022Q4	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	2140283000	usd
CY2021Q4	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	2015289000	usd
CY2022Q4	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	38066000	usd
CY2021Q4	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	37064000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2178349000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2052353000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	606231000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	594264000	usd
CY2022Q4	awr	Property Plant And Equipment Before Construction Work In Progress PropertyPlantAndEquipmentBeforeConstructionWorkInProgress	1572118000	usd
CY2021Q4	awr	Property Plant And Equipment Before Construction Work In Progress PropertyPlantAndEquipmentBeforeConstructionWorkInProgress	1458089000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	181648000	usd
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	167915000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1753766000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1626004000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	1116000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	1116000	usd
CY2022Q4	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	36907000	usd
CY2021Q4	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	40806000	usd
CY2022Q4	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	38023000	usd
CY2021Q4	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	41922000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5997000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4963000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	26206000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	34416000	usd
CY2022Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	20663000	usd
CY2021Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	27147000	usd
CY2022Q4	awr	Accounts Receivable From Us Government Net Current AccountsReceivableFromUSGovernmentNetCurrent	34974000	usd
CY2021Q4	awr	Accounts Receivable From Us Government Net Current AccountsReceivableFromUSGovernmentNetCurrent	27827000	usd
CY2022Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	4215000	usd
CY2021Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	6510000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3901000	usd
CY2021Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	236000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	14623000	usd
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	12163000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	14028000	usd
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	8897000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5450000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5317000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	9390000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	6135000	usd
CY2022Q4	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	11847000	usd
CY2021Q4	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	4441000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	151294000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	138052000	usd
CY2022Q4	us-gaap	Unbilled Receivables Not Billable At Balance Sheet Date UnbilledReceivablesNotBillableAtBalanceSheetDate	6456000	usd
CY2021Q4	us-gaap	Unbilled Receivables Not Billable At Balance Sheet Date UnbilledReceivablesNotBillableAtBalanceSheetDate	9671000	usd
CY2022Q4	awr	Account Receivablefrom Us Government Net Noncurrent AccountReceivablefromUSGovernmentNetNoncurrent	50482000	usd
CY2021Q4	awr	Account Receivablefrom Us Government Net Noncurrent AccountReceivablefromUSGovernmentNetNoncurrent	51991000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	5592000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	3452000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9535000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10479000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5694000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3182000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	13532000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	16230000	usd
CY2022Q4	awr	Regulatory And Other Assets RegulatoryAndOtherAssets	91291000	usd
CY2021Q4	awr	Regulatory And Other Assets RegulatoryAndOtherAssets	95005000	usd
CY2022Q4	us-gaap	Assets Assets	2034374000	usd
CY2021Q4	us-gaap	Assets Assets	1900983000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	709549000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	685947000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	446547000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	412176000	usd
CY2022Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1156096000	usd
CY2021Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1098123000	usd
CY2022Q4	us-gaap	Notes Payable To Bank Current NotesPayableToBankCurrent	255500000	usd
CY2021Q4	us-gaap	Notes Payable To Bank Current NotesPayableToBankCurrent	31000000	usd
CY2022Q4	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	399000	usd
CY2021Q4	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	377000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	84849000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	65902000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1848000	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	4662000	usd
CY2022Q4	awr	Franchise And Assessment Fees Taxes FranchiseAndAssessmentFeesTaxes	16257000	usd
CY2021Q4	awr	Franchise And Assessment Fees Taxes FranchiseAndAssessmentFeesTaxes	17137000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	13996000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	16256000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	5308000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	4545000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	4574000	usd
CY2021Q4	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	147482000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	149677000	usd
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	1896000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	903000	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	257000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2044000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10996000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	11498000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	396522000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	155574000	usd
CY2022Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	22000000	usd
CY2021Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	174500000	usd
CY2022Q4	awr	Advances For Construction AdvancesForConstruction	64351000	usd
CY2021Q4	awr	Advances For Construction AdvancesForConstruction	66727000	usd
CY2022Q4	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	147918000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	140290000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	40602000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	32979000	usd
CY2022Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	1082000	usd
CY2021Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	1153000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	33636000	usd
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	61365000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8090000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8090000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8920000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14400000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13870000	usd
CY2022Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	481756000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	647286000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2034374000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1900983000	usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36962241	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36936285	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	260158000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	258442000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	449391000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	427505000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	709549000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	685947000	usd
CY2022Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	450373000	usd
CY2021Q4	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	415788000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	399000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	377000	usd
CY2022Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	3427000	usd
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	3235000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	446547000	usd
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	412176000	usd
CY2022Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1156096000	usd
CY2021Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1098123000	usd
CY2022	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	340602000	usd
CY2021	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	347112000	usd
CY2020	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	330637000	usd
CY2022	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	39986000	usd
CY2021	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	38345000	usd
CY2020	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	37024000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	110940000	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	113396000	usd
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	120582000	usd
CY2022	us-gaap	Revenues Revenues	491528000	usd
CY2021	us-gaap	Revenues Revenues	498853000	usd
CY2020	us-gaap	Revenues Revenues	488243000	usd
CY2022	awr	Utilities Operating Expense Water Purchased UtilitiesOperatingExpenseWaterPurchased	75939000	usd
CY2021	awr	Utilities Operating Expense Water Purchased UtilitiesOperatingExpenseWaterPurchased	77914000	usd
CY2020	awr	Utilities Operating Expense Water Purchased UtilitiesOperatingExpenseWaterPurchased	74554000	usd
CY2022	awr	Power Purchased For Pumping PowerPurchasedForPumping	11861000	usd
CY2021	awr	Power Purchased For Pumping PowerPurchasedForPumping	11103000	usd
CY2020	awr	Power Purchased For Pumping PowerPurchasedForPumping	10134000	usd
CY2022	awr	Groundwater Production Assessment GroundwaterProductionAssessment	19071000	usd
CY2021	awr	Groundwater Production Assessment GroundwaterProductionAssessment	19412000	usd
CY2020	awr	Groundwater Production Assessment GroundwaterProductionAssessment	20392000	usd
CY2022	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	15039000	usd
CY2021	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	11240000	usd
CY2020	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	10423000	usd
CY2022	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-12000000	usd
CY2021	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-11421000	usd
CY2020	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-11803000	usd
CY2022	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	38095000	usd
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	34738000	usd
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	33236000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	86190000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	83547000	usd
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	83615000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	41315000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39596000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	36850000	usd
CY2022	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	13392000	usd
CY2021	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	12781000	usd
CY2020	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	15702000	usd
CY2022	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	22894000	usd
CY2021	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	22522000	usd
CY2020	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	22199000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	53171000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	56909000	usd
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	62411000	usd
CY2022	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	75000	usd
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	465000	usd
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-31000	usd
CY2022	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	364892000	usd
CY2021	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	357876000	usd
CY2020	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	357744000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	126636000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	140977000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	130499000	usd
CY2022	us-gaap	Interest Expense InterestExpense	27027000	usd
CY2021	us-gaap	Interest Expense InterestExpense	22834000	usd
CY2020	us-gaap	Interest Expense InterestExpense	22531000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	2326000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	1493000	usd
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1801000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	125000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5134000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4853000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-24576000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-16207000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-15877000	usd
CY2022	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	102060000	usd
CY2021	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	124770000	usd
CY2020	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	114622000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23664000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30423000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28197000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	78396000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	94347000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	86425000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36955000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36921000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36880000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.12
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.34
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37039000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37010000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36995000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.55
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.33
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.525
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.40
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.28
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	601530000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	86425000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	30000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	894000	usd
CY2020	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	176000	usd
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	47206000	usd
CY2020	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	176000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	641673000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	94347000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1616000	usd
CY2021	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	160000	usd
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	51689000	usd
CY2021	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	160000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	685947000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	78396000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1562000	usd
CY2022	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	154000	usd
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	56356000	usd
CY2022	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	154000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	709549000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	78396000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	94347000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	86425000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	41697000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	39974000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	37204000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1043000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1119000	usd
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1433000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2803000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	3561000	usd
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2243000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	2571000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2566000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	2463000	usd
CY2022	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	75000	usd
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	465000	usd
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-31000	usd
CY2022	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-5177000	usd
CY2021	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	4287000	usd
CY2020	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	3024000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-113000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-84000	usd
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	908000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5424000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4688000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	13272000	usd
CY2022	awr	Increase Decrease In Unbilled Contracts Receivables IncreaseDecreaseInUnbilledContractsReceivables	-9699000	usd
CY2021	awr	Increase Decrease In Unbilled Contracts Receivables IncreaseDecreaseInUnbilledContractsReceivables	1037000	usd
CY2020	awr	Increase Decrease In Unbilled Contracts Receivables IncreaseDecreaseInUnbilledContractsReceivables	6678000	usd
CY2022	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-2115000	usd
CY2021	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	1422000	usd
CY2020	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	1204000	usd
CY2022	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	5638000	usd
CY2021	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	4713000	usd
CY2020	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	3889000	usd
CY2022	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	2460000	usd
CY2021	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	3544000	usd
CY2020	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	2190000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3146000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1323000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1686000	usd
CY2022	awr	Increase Decreasein Contract Assets IncreaseDecreaseinContractAssets	5395000	usd
CY2021	awr	Increase Decreasein Contract Assets IncreaseDecreaseinContractAssets	-235000	usd
CY2020	awr	Increase Decreasein Contract Assets IncreaseDecreaseinContractAssets	588000	usd
CY2022	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	18915000	usd
CY2021	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	5842000	usd
CY2020	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-10150000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	11767000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2881000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5348000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-6479000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-2254000	usd
CY2020	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	12270000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	646000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1543000	usd
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-9367000	usd
CY2022	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-3087000	usd
CY2021	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	3051000	usd
CY2020	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	1444000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4749000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-131610000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2000000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2593000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	117799000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	115584000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	122170000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	166240000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	144515000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	130423000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	59000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	565000	usd
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	88000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	921000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1142000	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1275000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-167102000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-145092000	usd
CY2021	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	71300000	usd
CY2022	awr	Proceeds From Issuance Of Common Shares And Stock Option Exercises ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises	0	usd
CY2021	awr	Proceeds From Issuance Of Common Shares And Stock Option Exercises ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises	0	usd
CY2020	awr	Proceeds From Issuance Of Common Shares And Stock Option Exercises ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises	30000	usd
CY2022	awr	Proceeds From Contribution In Aid Of Construction And Repayments Of Advances For Construction ProceedsFromContributionInAidOfConstructionAndRepaymentsOfAdvancesForConstruction	6901000	usd
CY2021	awr	Proceeds From Contribution In Aid Of Construction And Repayments Of Advances For Construction ProceedsFromContributionInAidOfConstructionAndRepaymentsOfAdvancesForConstruction	12432000	usd
CY2020	awr	Proceeds From Contribution In Aid Of Construction And Repayments Of Advances For Construction ProceedsFromContributionInAidOfConstructionAndRepaymentsOfAdvancesForConstruction	9338000	usd
CY2022	awr	Refunds On Advances For Construction RefundsOnAdvancesForConstruction	5321000	usd
CY2021	awr	Refunds On Advances For Construction RefundsOnAdvancesForConstruction	4666000	usd
CY2020	awr	Refunds On Advances For Construction RefundsOnAdvancesForConstruction	3729000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	377000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	28356000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	336000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	34789000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	159413000	usd
CY2022	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	72000000	usd
CY2020	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	-70800000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	56356000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	51689000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	47206000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1299000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1287000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1867000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	50337000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2266000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	44843000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1034000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-31774000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	35403000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4963000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36737000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1334000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5997000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4963000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36737000	usd
CY2022	awr	Number Of Customers NumberOfCustomers	1000000	customer
CY2022Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	9
CY2022	awr	Number Of Registrants Filing Combined Report NumberOfRegistrantsFilingCombinedReport	2	registrant
CY2022	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	5200000	usd
CY2021	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	5300000	usd
CY2020	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	4900000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Legally Restricted Assets Fair Value AssetRetirementObligationLegallyRestrictedAssetsFairValue	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	awr	Goodwill Acquired In Prior Period GoodwillAcquiredInPriorPeriod	1100000	usd
CY2022	awr	Goodwill Acquired In Prior Period GoodwillAcquiredInPriorPeriod	1100000	usd
CY2022	awr	Goodwill Acquired In Prior Period GoodwillAcquiredInPriorPeriod	1100000	usd
CY2022	awr	Period Of Refund Of Customer Advances For Construction PeriodOfRefundOfCustomerAdvancesForConstruction	P40Y
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	424151000	usd
CY2022	awr	Revenue Performance Obligation Payment Terms RevenuePerformanceObligationPaymentTerms	P20D
CY2022	us-gaap	Revenues Revenues	491528000	usd
CY2021	us-gaap	Revenues Revenues	498853000	usd
CY2020	us-gaap	Revenues Revenues	488243000	usd
CY2022Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	3400000000	usd
CY2022Q4	awr	Regulatory Asset Not Accruing Carrying Costs RegulatoryAssetNotAccruingCarryingCosts	85000000	usd
CY2022Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	-25454000	usd
CY2021Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	-22796000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	606231000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	594264000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	181648000	usd
CY2021Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	167915000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1753766000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1626004000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	31938000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	30439000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26811000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	26401000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5127000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5127000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4038000	usd
CY2022Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	383000	usd
CY2021Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	400000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	641000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	700000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	654000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	641000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	641000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	641000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	641000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	641000	usd
CY2022Q4	awr	Finite Lived Intangible Assets Estimated Future Amortization Expense FiniteLivedIntangibleAssetsEstimatedFutureAmortizationExpense	3205000	usd
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	9320000	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	148000	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	120000	usd
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	369000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	9717000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	386000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	10103000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	78396000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	94347000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	86425000	usd
CY2022	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	56356000	usd
CY2021	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	51689000	usd
CY2020	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	47206000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	142000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	134000	usd
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	158000	usd
CY2022	us-gaap	Undistributed Earnings UndistributedEarnings	21898000	usd
CY2021	us-gaap	Undistributed Earnings UndistributedEarnings	42524000	usd
CY2020	us-gaap	Undistributed Earnings UndistributedEarnings	39061000	usd
CY2022	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	21843000	usd
CY2021	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	42414000	usd
CY2020	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	38930000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-55000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-110000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-131000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	78199000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	94103000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86136000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36955000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36921000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36880000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.12
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.55
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.34
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	78199000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	94103000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	86136000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-55000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-110000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	-131000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	78254000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	94213000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	86267000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36955000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36921000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36880000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	84000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	89000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	115000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37039000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37010000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36995000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.55
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.33
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1800	shares
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	30000	usd
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2021	awr	Proceedsfrom Stock Options Exercised Distributedto Subsidiaries ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries	0	usd
CY2020	awr	Proceedsfrom Stock Options Exercised Distributedto Subsidiaries ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries	0	usd
CY2022	awr	Proceedsfrom Stock Options Exercised Distributedto Subsidiaries ProceedsfromStockOptionsExercisedDistributedtoSubsidiaries	0	usd
CY2022Q4	awr	Dividend Reinvestment Plan Common Stock Capital Shares Reserved For Future Issuance DividendReinvestmentPlanCommonStockCapitalSharesReservedForFutureIssuance	1055948	shares
CY2022Q4	awr	Defined Contribution Plan Common Stock Capital Shares Reserved For Future Issuance DefinedContributionPlanCommonStockCapitalSharesReservedForFutureIssuance	387300	shares
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	709500000	usd
CY2022Q4	awr	Number Of Credit Facilities NumberOfCreditFacilities	2	unit
CY2022Q4	awr	Net Working Capital NetWorkingCapital	-245200000	usd
CY2022Q4	awr	Ratioof Indebtednessto Ebitda RatioofIndebtednesstoEBITDA	8
CY2022Q4	awr	Deferred Tax Assets Regulatory Assets And Liabilities Related To Itc And Excess Deferred Taxes DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToITCAndExcessDeferredTaxes	31330000	usd
CY2021Q4	awr	Deferred Tax Assets Regulatory Assets And Liabilities Related To Itc And Excess Deferred Taxes DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesRelatedToITCAndExcessDeferredTaxes	32220000	usd
CY2022Q4	awr	Deferred Tax Assets Contributions And Advances DeferredTaxAssetsContributionsAndAdvances	6544000	usd
CY2021Q4	awr	Deferred Tax Assets Contributions And Advances DeferredTaxAssetsContributionsAndAdvances	6850000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	7424000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5324000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	45298000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	44394000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	155955000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	150290000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	30226000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Regulatory Assets DeferredTaxLiabilitiesRegulatoryAssets	25914000	usd
CY2022Q4	awr	Deferred Tax Liabilities Balancing And Memorandum Accounts DeferredTaxLiabilitiesBalancingAndMemorandumAccounts	8794000	usd
CY2021Q4	awr	Deferred Tax Liabilities Balancing And Memorandum Accounts DeferredTaxLiabilitiesBalancingAndMemorandumAccounts	8480000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	194975000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	184684000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	149677000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	140290000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14845000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19592000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	19240000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6016000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7270000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6714000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	20861000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	26862000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	25954000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2991000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2802000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1814000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-188000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	759000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	429000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2803000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3561000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2243000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23664000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30423000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28197000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	21433000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	26202000	usd
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	24071000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4335000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6425000	usd
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5764000	usd
CY2022	awr	Incometaxratereconciliationexcessdeferredtaxamortization Incometaxratereconciliationexcessdeferredtaxamortization	1311000	usd
CY2021	awr	Incometaxratereconciliationexcessdeferredtaxamortization Incometaxratereconciliationexcessdeferredtaxamortization	1356000	usd
CY2020	awr	Incometaxratereconciliationexcessdeferredtaxamortization Incometaxratereconciliationexcessdeferredtaxamortization	1550000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation IncomeTaxReconciliationNondeductibleExpenseDepreciation	1076000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation IncomeTaxReconciliationNondeductibleExpenseDepreciation	1069000	usd
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Depreciation IncomeTaxReconciliationNondeductibleExpenseDepreciation	1056000	usd
CY2022	awr	Income Tax Reconciliation Costof Removal IncomeTaxReconciliationCostofRemoval	1802000	usd
CY2021	awr	Income Tax Reconciliation Costof Removal IncomeTaxReconciliationCostofRemoval	1962000	usd
CY2020	awr	Income Tax Reconciliation Costof Removal IncomeTaxReconciliationCostofRemoval	1031000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	71000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	71000	usd
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	71000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	4000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	116000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-42000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23664000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30423000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28197000	usd
CY2022	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	102060000	usd
CY2021	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	124770000	usd
CY2020	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	114622000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.232
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.244
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.246
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1900000	usd
CY2022	awr	Defined Benefit Plan Initial Health Care Cost Trend Rate For Employees Under Age Sixty Five DefinedBenefitPlanInitialHealthCareCostTrendRateForEmployeesUnderAgeSixtyFive	0.056
CY2022	awr	Defined Benefit Plan Ultimate Health Care Cost Trend Rate For Employees Under Age Sixty Five DefinedBenefitPlanUltimateHealthCareCostTrendRateForEmployeesUnderAgeSixtyFive	0.040
CY2022	awr	Defined Benefit Plan Initial Health Care Cost Trend Rate For Employees Of Age Sixty Five And Over DefinedBenefitPlanInitialHealthCareCostTrendRateForEmployeesOfAgeSixtyFiveAndOver	0.053
CY2022	awr	Defined Benefit Plan Ultimate Health Care Cost Trend Rate For Employees Of Age Sixty Five And Over DefinedBenefitPlanUltimateHealthCareCostTrendRateForEmployeesOfAgeSixtyFiveAndOver	0.040
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2700000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2700000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2500000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2000000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1900000	usd
CY2022	awr	Number Of Stock Incentive Plans NumberOfStockIncentivePlans	3	stock_plan
CY2022	awr	Share Based Compensation Arrangementsby Share Based Payment Award Options Minimum Agefor Awardsto Vest Immediately ShareBasedCompensationArrangementsbyShareBasedPaymentAwardOptionsMinimumAgeforAwardstoVestImmediately	P55Y
CY2022	awr	Share Based Compensation Arrangementsby Share Based Payment Award Options Minimum Agefor Awardsto Vest Immediately ShareBasedCompensationArrangementsbyShareBasedPaymentAwardOptionsMinimumAgeforAwardstoVestImmediately	P55Y
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2571000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2566000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2463000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	290000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	336000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	299000	usd
CY2021	us-gaap	Lease Cost LeaseCost	2627000	usd
CY2022Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	235000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9500000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1900000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8100000	usd
CY2022	us-gaap	Lease Cost LeaseCost	2609000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	198000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	273000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M7D
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y11M26D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
CY2022	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	1569000	usd
CY2021	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	1430000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	2600000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	2500000	usd
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	2600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	2256000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2175000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1918000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1681000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1453000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1604000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11087000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1105000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	9982000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1892000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8090000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8090000	usd
CY2022	us-gaap	Revenues Revenues	491528000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	126636000	usd
CY2022	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	24701000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1753766000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	41315000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23664000	usd
CY2022	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	166240000	usd
CY2021	us-gaap	Revenues Revenues	498853000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	140977000	usd
CY2021	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	21341000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1626004000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39596000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30423000	usd
CY2021	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	144515000	usd
CY2020	us-gaap	Revenues Revenues	488243000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	130499000	usd
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	20730000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1512043000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	36850000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	28197000	usd
CY2020	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	130423000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1753766000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1626004000	usd
CY2022Q4	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	280608000	usd
CY2021Q4	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	274979000	usd
CY2022Q4	us-gaap	Assets Assets	2034374000	usd
CY2021Q4	us-gaap	Assets Assets	1900983000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3569000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5316000	usd
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	916000	usd
CY2022	awr	Provision For Doubtful Accounts Continuing Operation ProvisionForDoubtfulAccountsContinuingOperation	2842000	usd
CY2021	awr	Provision For Doubtful Accounts Continuing Operation ProvisionForDoubtfulAccountsContinuingOperation	8150000	usd
CY2020	awr	Provision For Doubtful Accounts Continuing Operation ProvisionForDoubtfulAccountsContinuingOperation	5016000	usd
CY2022	awr	Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries	-1971000	usd
CY2021	awr	Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries	-9897000	usd
CY2020	awr	Allowance For Doubtful Accounts Receivable Charge Offs Net Of Recoveries AllowanceForDoubtfulAccountsReceivableChargeOffsNetOfRecoveries	-616000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	4440000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3569000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5316000	usd
CY2022Q4	awr	Allowance For Doubtful Accounts Related To Receivable From Customer AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer	4387000	usd
CY2021Q4	awr	Allowance For Doubtful Accounts Related To Receivable From Customer AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer	3516000	usd
CY2020Q4	awr	Allowance For Doubtful Accounts Related To Receivable From Customer AllowanceForDoubtfulAccountsRelatedToReceivableFromCustomer	5263000	usd
CY2022Q4	awr	Allowance For Doubtful Accounts Related To Other Accounts Receivable AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable	53000	usd
CY2021Q4	awr	Allowance For Doubtful Accounts Related To Other Accounts Receivable AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable	53000	usd
CY2020Q4	awr	Allowance For Doubtful Accounts Related To Other Accounts Receivable AllowanceForDoubtfulAccountsRelatedToOtherAccountsReceivable	53000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	4440000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3569000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5316000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	27370000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29153000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13684000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	26005000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	22540000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	19941000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	40034000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	32855000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	27861000	usd
CY2022	us-gaap	Contribution Of Property ContributionOfProperty	1549000	usd
CY2021	us-gaap	Contribution Of Property ContributionOfProperty	7222000	usd
CY2020	us-gaap	Contribution Of Property ContributionOfProperty	3102000	usd
CY2022	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	0	usd
CY2022	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	0	usd
CY2021	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	0	usd
CY2020	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	0	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36955000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36921000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36880000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37039000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37010000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36995000	shares
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.525
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.40
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.28
CY2022Q4	awr	Net Working Capital NetWorkingCapital	-245200000	usd

Files In Submission

Name	View Source	Status
awr-20221231_pre.xml	Edgar Link	unprocessable
awr-20221231_cal.xml	Edgar Link	unprocessable
awr-20221231_lab.xml	Edgar Link	unprocessable
0001628280-23-005869-index-headers.html	Edgar Link	pending
0001628280-23-005869-index.html	Edgar Link	pending
0001628280-23-005869.txt	Edgar Link	pending
0001628280-23-005869-xbrl.zip	Edgar Link	pending
awr-20221231.htm	Edgar Link	pending
awr-20221231.xsd	Edgar Link	pending
awr-20221231_g1.jpg	Edgar Link	pending
ex1024-revisedindeminifica.htm	Edgar Link	pending
ex106-2023cicagreement.htm	Edgar Link	pending
ex31110k2022.htm	Edgar Link	pending
ex311110k2022.htm	Edgar Link	pending
ex31210k2022.htm	Edgar Link	pending
ex312110k2022.htm	Edgar Link	pending
ex32110k2022.htm	Edgar Link	pending
ex32210k2022.htm	Edgar Link	pending
exhibit21subsidiariesofawr.htm	Edgar Link	pending
exhibits231-auditorsconsen.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
awr-20221231_def.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
awr-20221231_htm.xml	Edgar Link	completed
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$AWR
AMERICAN STATES WATER CO Stock $awr

2023 Q1 Form 10-K Financial Statement

#000162828023005869 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR AMERICAN STATES WATER CO Stock $awr

2023 Q1 Form 10-K Financial Statement

#000162828023005869 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR
AMERICAN STATES WATER CO Stock $awr