$AWR
AMERICAN STATES WATER CO Stock $awr

$awr Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000162828024045760 Filed on November 06, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$161.8M
YoY Change		6.65%
Cost Of Revenue		$31.52M
YoY Change		5.42%
Gross Profit		$130.3M
YoY Change		6.95%
Gross Profit Margin		80.52%
Selling, General & Admin		$24.20M
YoY Change		15.24%
% of Gross Profit		18.58%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$10.85M
YoY Change		6.53%
% of Gross Profit		8.33%
Operating Expenses		$75.19M
YoY Change		7.42%
Operating Profit		$55.07M
YoY Change		6.41%
Interest Expense		-$11.49M
YoY Change		-198.25%
% of Operating Profit		-20.86%
Other Income/Expense, Net		-$9.178M
YoY Change		-13.73%
Pretax Income		$45.89M
YoY Change		11.62%
Income Tax		$10.06M
% Of Pretax Income		21.91%
Net Earnings		$35.83M
YoY Change		13.52%
Net Earnings / Revenue		22.15%
Basic Earnings Per Share		$0.95
Diluted Earnings Per Share		$0.95
COMMON SHARES
Basic Shares Outstanding	37.80M shares	37.46M shares
Diluted Shares Outstanding		37.68M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments		$16.47M
YoY Change		63.06%
Cash & Equivalents		$16.47M
Short-Term Investments
Other Short-Term Assets		$75.82M
YoY Change		20.16%
Inventory		$16.42M
Prepaid Expenses
Receivables		$44.42M
Other Receivables		$2.133M
Total Short-Term Assets		$222.4M
YoY Change		16.0%
LONG-TERM ASSETS
Property, Plant & Equipment		$2.041B
YoY Change		10.27%
Goodwill		$1.116M
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets		$18.83M
YoY Change		25.42%
Total Long-Term Assets		$2.198B
YoY Change		9.17%
TOTAL ASSETS
Total Short-Term Assets		$222.4M
Total Long-Term Assets		$2.198B
Total Assets		$2.421B
YoY Change		9.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$76.70M
YoY Change		6.78%
Accrued Expenses		$42.98M
YoY Change		-0.04%
Deferred Revenue		$3.649M
YoY Change		512.25%
Short-Term Debt		$177.0M
YoY Change		378.38%
Long-Term Debt Due		$385.0K
YoY Change		-3.75%
Total Short-Term Liabilities		$321.4M
YoY Change		64.83%
LONG-TERM LIABILITIES
Long-Term Debt		$640.2M
YoY Change		11.26%
Other Long-Term Liabilities		$14.53M
YoY Change		-1.27%
Total Long-Term Liabilities		$654.8M
YoY Change		10.95%
TOTAL LIABILITIES
Total Short-Term Liabilities		$321.4M
Total Long-Term Liabilities		$654.8M
Total Liabilities		$976.2M
YoY Change		24.33%
SHAREHOLDERS EQUITY
Retained Earnings		$554.2M
YoY Change		8.99%
Common Stock		$325.3M
YoY Change		23.73%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$879.5M
YoY Change
Total Liabilities & Shareholders Equity		$2.421B
YoY Change		9.77%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$35.83M
YoY Change		13.52%
Depreciation, Depletion And Amortization		$10.85M
YoY Change		6.53%
Cash From Operating Activities		$63.70M
YoY Change		64.6%
INVESTING ACTIVITIES
Capital Expenditures		$64.18M
YoY Change		35.11%
Acquisitions
YoY Change
Other Investing Activities		$223.0K
YoY Change		11.5%
Cash From Investing Activities		-$63.96M
YoY Change		34.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		13.14M
YoY Change		-18.88%
NET CHANGE
Cash From Operating Activities		63.70M
Cash From Investing Activities		-63.96M
Cash From Financing Activities		13.14M
Net Change In Cash		12.89M
YoY Change		71.81%
FREE CASH FLOW
Cash From Operating Activities		$63.70M
Capital Expenditures		$64.18M
Free Cash Flow		-$478.0K
YoY Change		-94.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	37796873	shares
CY2024Q3	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	2638276000	usd
CY2023Q4	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	2476509000	usd
CY2024Q3	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	43389000	usd
CY2023Q4	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	40243000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2681665000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2516752000	usd
CY2024Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	641076000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	624472000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1892280000	usd
CY2024Q3	us-gaap	Goodwill Goodwill	1116000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	1116000	usd
CY2024Q3	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	48103000	usd
CY2023Q4	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	42932000	usd
CY2024Q3	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	49219000	usd
CY2023Q4	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	44048000	usd
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	16469000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	14073000	usd
CY2024Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3694000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3537000	usd
CY2024Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	44422000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	34250000	usd
CY2024Q3	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	26871000	usd
CY2023Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	23516000	usd
CY2024Q3	awr	Accounts Receivable From Us Government Net Current AccountsReceivableFromUSGovernmentNetCurrent	44329000	usd
CY2023Q4	awr	Accounts Receivable From Us Government Net Current AccountsReceivableFromUSGovernmentNetCurrent	49306000	usd
CY2024Q3	awr	Allowance For Doubtful Accounts Receivable Other Current AllowanceForDoubtfulAccountsReceivableOtherCurrent	53000	usd
CY2023Q4	awr	Allowance For Doubtful Accounts Receivable Other Current AllowanceForDoubtfulAccountsReceivableOtherCurrent	53000	usd
CY2024Q3	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	3104000	usd
CY2023Q4	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	6340000	usd
CY2024Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2133000	usd
CY2023Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	52000	usd
CY2024Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	16421000	usd
CY2024Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6945000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5767000	usd
CY2024Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	42005000	usd
	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	324732000	usd
	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	345851000	usd
	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	29948000	usd
	us-gaap	Revenues Revenues	470519000	usd
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	55788000	usd
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	55590000	usd
	awr	Power Purchased For Pumping PowerPurchasedForPumping	11349000	usd
	awr	Power Purchased For Pumping PowerPurchasedForPumping	9514000	usd
	awr	Groundwater Production Assessment GroundwaterProductionAssessment	17643000	usd
	awr	Groundwater Production Assessment GroundwaterProductionAssessment	15188000	usd
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	8302000	usd
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	9838000	usd
	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	2447000	usd
	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	15126000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	31377000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	30261000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	73034000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	66032000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	32341000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	31645000	usd
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	10479000	usd
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	11026000	usd
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	17884000	usd
	awr	Costof Construction CostofConstruction	43649000	usd
	awr	Costof Construction CostofConstruction	46554000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	306571000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	308658000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	145790000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	161861000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	5902000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	5792000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6169000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2243000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	118644000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37064000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.82
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.2250
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1570000	usd
CY2024Q1	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	44000	usd
CY2024Q1	us-gaap	Dividends Common Stock DividendsCommonStock	15905000	usd
CY2024Q1	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	44000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	800493000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	31864000	usd
CY2024Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	420000	usd
CY2024Q2	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	55000	usd
CY2024Q2	us-gaap	Dividends Common Stock DividendsCommonStock	16024000	usd
CY2024Q2	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	55000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	833477000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	American States Water Co
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	CA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	95-4676679
	dei	Entity Address Address Line1 EntityAddressAddressLine1	630 E. Foothill Blvd
	dei	Entity Address City Or Town EntityAddressCityOrTown	San Dimas
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91773-1212
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	45144000	usd
	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	30688000	usd
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	97681000	usd
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	93980000	usd
	us-gaap	Revenues Revenues	452361000	usd
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	20162000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-23865000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137996000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27811000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33503000	usd
	us-gaap	Net Income Loss NetIncomeLoss	90833000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36974000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.82
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	35834000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	31565000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35706000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	31474000	usd
	us-gaap	Net Income Loss NetIncomeLoss	104493000	usd
	dei	Amendment Flag AmendmentFlag	false
	dei	Security12b Title Security12bTitle	Common shares
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	17574000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0001056903
	dei	Local Phone Number LocalPhoneNumber	394-3600
CY2024Q3	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	124043000	usd
CY2023Q3	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	116231000	usd
CY2024Q3	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	9040000	usd
CY2023Q3	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	8956000	usd
CY2024Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	28699000	usd
CY2023Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	26509000	usd
CY2024Q3	us-gaap	Revenues Revenues	161782000	usd
CY2023Q3	us-gaap	Revenues Revenues	151696000	usd
CY2024Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	24059000	usd
CY2024Q3	awr	Power Purchased For Pumping PowerPurchasedForPumping	4996000	usd
CY2023Q3	awr	Power Purchased For Pumping PowerPurchasedForPumping	4291000	usd
CY2024Q3	awr	Groundwater Production Assessment GroundwaterProductionAssessment	6971000	usd
CY2023Q3	awr	Groundwater Production Assessment GroundwaterProductionAssessment	5990000	usd
CY2024Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	2467000	usd
CY2023Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	2383000	usd
CY2024Q3	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-381000	usd
CY2023Q3	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	723000	usd
CY2023Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	10429000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	24200000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20982000	usd
CY2024Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10849000	usd
CY2023Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10184000	usd
CY2024Q3	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	3719000	usd
CY2023Q3	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	4097000	usd
CY2023Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	6034000	usd
CY2024Q3	awr	Costof Construction CostofConstruction	11750000	usd
CY2023Q3	awr	Costof Construction CostofConstruction	11616000	usd
CY2024Q3	us-gaap	Costs And Expenses CostsAndExpenses	106714000	usd
CY2023Q3	us-gaap	Costs And Expenses CostsAndExpenses	99945000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	55068000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	51751000	usd
CY2024Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	1739000	usd
CY2023Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	2125000	usd
CY2024Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2308000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1073000	usd
CY2023Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-10639000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45890000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	41112000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10056000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	35834000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	31565000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37564000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37683000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37071000	shares
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4655
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4300
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	City Area Code CityAreaCode	909
	dei	Trading Symbol TradingSymbol	AWR
CY2024Q3	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	19661000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	9956000	usd
CY2024Q3	us-gaap	Assets Current AssetsCurrent	222360000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	205978000	usd
CY2024Q3	awr	Unbilled Contracts Receivable From Us Government UnbilledContractsReceivableFromUSGovernment	4207000	usd
CY2023Q4	awr	Unbilled Contracts Receivable From Us Government UnbilledContractsReceivableFromUSGovernment	4886000	usd
CY2024Q3	awr	Account Receivablefrom Us Government Net Noncurrent AccountReceivablefromUSGovernmentNetNoncurrent	38953000	usd
CY2023Q4	awr	Account Receivablefrom Us Government Net Noncurrent AccountReceivablefromUSGovernmentNetNoncurrent	42183000	usd
CY2024Q3	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	932000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	4422000	usd
CY2024Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8585000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7982000	usd
CY2024Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	36952000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	25585000	usd
CY2024Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	18827000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	18758000	usd
CY2024Q3	awr	Regulatory And Other Assets RegulatoryAndOtherAssets	108456000	usd
CY2023Q4	awr	Regulatory And Other Assets RegulatoryAndOtherAssets	103816000	usd
CY2024Q3	us-gaap	Assets Assets	2420624000	usd
CY2023Q4	us-gaap	Assets Assets	2246122000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	37796873	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36980612	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	325278000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	263179000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	554188000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	512930000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	879466000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	776109000	usd
CY2024Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	640247000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	575555000	usd
CY2024Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1519713000	usd
CY2023Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1351664000	usd
CY2024Q3	us-gaap	Notes Payable To Bank Current NotesPayableToBankCurrent	177000000	usd
CY2023Q4	us-gaap	Notes Payable To Bank Current NotesPayableToBankCurrent	42000000	usd
CY2024Q3	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	385000	usd
CY2023Q4	us-gaap	Other Notes Payable Current OtherNotesPayableCurrent	353000	usd
CY2024Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	76700000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	68705000	usd
CY2024Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	161000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	492000	usd
CY2024Q3	awr	Franchise And Assessment Fees Taxes FranchiseAndAssessmentFeesTaxes	15533000	usd
CY2023Q4	awr	Franchise And Assessment Fees Taxes FranchiseAndAssessmentFeesTaxes	14654000	usd
CY2024Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	15723000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	14738000	usd
CY2024Q3	us-gaap	Interest Payable Current InterestPayableCurrent	9622000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	8607000	usd
CY2024Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3649000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1352000	usd
CY2024Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2105000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1856000	usd
CY2024Q3	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	8320000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	2360000	usd
CY2024Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	12234000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	11506000	usd
CY2024Q3	us-gaap	Liabilities Current LiabilitiesCurrent	321432000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	166623000	usd
CY2024Q3	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	120000000	usd
CY2023Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	291500000	usd
CY2024Q3	awr	Advances For Construction AdvancesForConstruction	69983000	usd
CY2023Q4	awr	Advances For Construction AdvancesForConstruction	67431000	usd
CY2024Q3	awr	Contributions In Aid Construction Net ContributionsInAidConstructionNet	154924000	usd
CY2023Q4	awr	Contributions In Aid Construction Net ContributionsInAidConstructionNet	151414000	usd
CY2024Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	175966000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	161577000	usd
CY2024Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3896000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1222000	usd
CY2024Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	959000	usd
CY2023Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	1011000	usd
CY2024Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	32289000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	32652000	usd
CY2024Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6934000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	6619000	usd
CY2024Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14528000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14409000	usd
CY2024Q3	awr	Liabilities Other Than Long Term Debt Related To Capitalization Noncurrent LiabilitiesOtherThanLongTermDebtRelatedToCapitalizationNoncurrent	579479000	usd
CY2023Q4	awr	Liabilities Other Than Long Term Debt Related To Capitalization Noncurrent LiabilitiesOtherThanLongTermDebtRelatedToCapitalizationNoncurrent	727835000	usd
CY2024Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2420624000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2246122000	usd
CY2023Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	23216000	usd
CY2024Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11021000	usd
CY2024Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	7063000	usd
CY2024Q3	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	13225000	usd
CY2023Q3	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	11691000	usd
	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	39217000	usd
	us-gaap	Interest Expense Nonoperating InterestExpenseNonoperating	31900000	usd
CY2024Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9178000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-27146000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9547000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36977000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37302000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.43
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37409000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.42
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.3255
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	776109000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	23135000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	15584000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2024Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	16724000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	26881000	usd
CY2024Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2024Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	729000	usd
CY2024Q3	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	92000	usd
CY2024Q3	us-gaap	Dividends Common Stock DividendsCommonStock	17455000	usd
CY2024Q3	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	92000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	879466000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	709549000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	34407000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	1587000	usd
CY2023Q1	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	47000	usd
CY2023Q1	us-gaap	Dividends Common Stock DividendsCommonStock	14695000	usd
CY2023Q1	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	47000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	730848000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	38521000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	396000	usd
CY2023Q2	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	42000	usd
CY2023Q2	us-gaap	Dividends Common Stock DividendsCommonStock	14699000	usd
CY2023Q2	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	42000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	755066000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	31565000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	606000	usd
CY2023Q3	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	48000	usd
CY2023Q3	us-gaap	Dividends Common Stock DividendsCommonStock	15900000	usd
CY2023Q3	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	48000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	771337000	usd
	us-gaap	Net Income Loss NetIncomeLoss	90833000	usd
	us-gaap	Net Income Loss NetIncomeLoss	104493000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32841000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32327000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1206000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1238000	usd
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	6917000	usd
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	919000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	3486000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	3095000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	5116000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	2084000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-438000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	41000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	11383000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7632000	usd
	awr	Increase Decrease In Unbilled Contracts Receivables IncreaseDecreaseInUnbilledContractsReceivables	2676000	usd
	awr	Increase Decrease In Unbilled Contracts Receivables IncreaseDecreaseInUnbilledContractsReceivables	2983000	usd
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-3241000	usd
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	2540000	usd
	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	-8207000	usd
	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	10588000	usd
	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	-1153000	usd
	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	1595000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	32000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-403000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	6215000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-974000	usd
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-8622000	usd
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	86070000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1716000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-8108000	usd
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-2412000	usd
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	30621000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	2297000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-307000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-882000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	48000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1975000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	4348000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	134216000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	56518000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	173477000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	136131000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-624000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-952000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-172853000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-135179000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	59305000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
	us-gaap	Proceeds From Advances For Construction ProceedsFromAdvancesForConstruction	8478000	usd
	us-gaap	Proceeds From Advances For Construction ProceedsFromAdvancesForConstruction	7205000	usd
	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	3923000	usd
	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	3839000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	370000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	334000	usd
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	64569000	usd
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	129665000	usd
	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	-36500000	usd
	us-gaap	Proceeds From Repayments Of Notes Payable ProceedsFromRepaymentsOfNotesPayable	-5222000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	49384000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	45294000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1142000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	913000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	41033000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	81268000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	2396000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	2607000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	14073000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5997000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16469000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8604000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	41182000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	35287000	usd
	us-gaap	Contribution Of Property ContributionOfProperty	4971000	usd
	us-gaap	Contribution Of Property ContributionOfProperty	1555000	usd
	awr	Number Of Customers NumberOfCustomers	1000000	customer
CY2024Q3	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	10	state
	awr	Number Of Military Bases Started Operating In April2024 NumberOfMilitaryBasesStartedOperatingInApril2024	2	item
	awr	Number Of Registrants Filing Combined Report NumberOfRegistrantsFilingCombinedReport	2	registrant
CY2024Q1	awr	Sale Of Stock Maximum Consideration On Transaction SaleOfStockMaximumConsiderationOnTransaction	200000000	usd
	awr	Sale Of Stock Agreement Term SaleOfStockAgreementTerm	P3Y
CY2024Q3	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	335449	shares
	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	791097	shares
CY2024Q3	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	27000000.0	usd
CY2024Q3	us-gaap	Payments For Commissions PaymentsForCommissions	400000	usd
	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	60000000.0	usd
	us-gaap	Payments For Commissions PaymentsForCommissions	900000	usd
CY2024Q3	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	100000	usd
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	800000	usd
CY2024Q3	awr	Sale Of Stock Remaining Available For Sale SaleOfStockRemainingAvailableForSale	139100000	usd
	us-gaap	Debt Instrument Term DebtInstrumentTerm	P5Y
CY2024Q3	us-gaap	Revenues Revenues	161782000	usd
CY2023Q3	us-gaap	Revenues Revenues	151696000	usd
	us-gaap	Revenues Revenues	452361000	usd
	us-gaap	Revenues Revenues	470519000	usd
CY2024Q3	us-gaap	Net Regulatory Assets NetRegulatoryAssets	75061000	usd
CY2023Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	69507000	usd
CY2024Q3	us-gaap	Net Income Loss NetIncomeLoss	35834000	usd
	us-gaap	Net Income Loss NetIncomeLoss	90833000	usd
	us-gaap	Net Income Loss NetIncomeLoss	104493000	usd
CY2024Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	128000	usd
CY2023Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	91000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	294000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	286000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	35706000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	31474000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	90539000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	104207000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37564000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36977000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37302000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36974000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.43
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.82
CY2024Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	90539000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	104207000	usd
CY2024Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	66000	usd
CY2023Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	45000	usd
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	134000	usd
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	162000	usd
CY2024Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	35772000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	31519000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	90673000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	104369000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37564000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36977000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	37302000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36974000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	119000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	94000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	107000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	90000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37683000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37071000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37409000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	37064000	shares
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.42
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.82
CY2024Q3	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	335449	shares
	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	791097	shares
CY2024Q3	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	27000000.0	usd
CY2024Q3	us-gaap	Payments For Commissions PaymentsForCommissions	400000	usd
	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	60000000.0	usd
	us-gaap	Payments For Commissions PaymentsForCommissions	900000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	25164	shares
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	18351	shares
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1100000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	900000	usd
CY2024Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4655
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.4300
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.3255
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.2250
CY2024Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3300000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3100000	usd
CY2024Q3	us-gaap	Revenues Revenues	161782000	usd
CY2024Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	55068000	usd
CY2024Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-11486000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
CY2024Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10849000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10056000	usd
CY2024Q3	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	64179000	usd
CY2023Q3	us-gaap	Revenues Revenues	151696000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	51751000	usd
CY2023Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-9566000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1850471000	usd
CY2023Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10184000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9547000	usd
CY2023Q3	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	47482000	usd
	us-gaap	Revenues Revenues	452361000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	145790000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-33315000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	32341000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27811000	usd
	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	173477000	usd
	us-gaap	Revenues Revenues	470519000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	161861000	usd
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-26108000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1850471000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	31645000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33503000	usd
	us-gaap	Segment Expenditure Addition To Long Lived Assets SegmentExpenditureAdditionToLongLivedAssets	136131000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
CY2024Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2040589000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1850471000	usd
CY2024Q3	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	380035000	usd
CY2023Q3	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	354758000	usd
CY2024Q3	us-gaap	Assets Assets	2420624000	usd
CY2023Q3	us-gaap	Assets Assets	2205229000	usd
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
awr-20240930_htm.xml	Edgar Link	completed
awr-20240930_cal.xml	Edgar Link	unprocessable
0001628280-24-045760-index-headers.html	Edgar Link	pending
0001628280-24-045760-index.html	Edgar Link	pending
0001628280-24-045760.txt	Edgar Link	pending
0001628280-24-045760-xbrl.zip	Edgar Link	pending
awr-20230930xex312.htm	Edgar Link	pending
awr-20240930.htm	Edgar Link	pending
awr-20240930.xsd	Edgar Link	pending
awr-20240930xex311.htm	Edgar Link	pending
awr-20240930xex3111.htm	Edgar Link	pending
awr-20240930xex3121.htm	Edgar Link	pending
awr-20240930xex321.htm	Edgar Link	pending
awr-20240930xex322.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
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
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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
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
awr-20240930_def.xml	Edgar Link	unprocessable
awr-20240930_lab.xml	Edgar Link	unprocessable
awr-20240930_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
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
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$AWR
AMERICAN STATES WATER CO Stock $awr

2024 Q4 Form 10-Q Financial Statement

#000162828024045760 Filed on November 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR AMERICAN STATES WATER CO Stock $awr

2024 Q4 Form 10-Q Financial Statement

#000162828024045760 Filed on November 06, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR
AMERICAN STATES WATER CO Stock $awr