$AWR
AMERICAN STATES WATER CO Stock $awr

$awr Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000105690319000037 Filed on November 04, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q4
Revenue	$113.0M	$134.5M	$111.0M
YoY Change	1.79%	8.31%	6.55%
Cost Of Revenue	$22.40M	$12.89M	$21.80M
YoY Change	2.75%	-5.33%	-2.68%
Gross Profit	$90.60M	$121.6M	$89.20M
YoY Change	1.57%	9.99%	9.05%
Gross Profit Margin	80.18%	90.41%	80.36%
Selling, General & Admin	$21.20M	$20.60M	$20.50M
YoY Change	3.41%	-4.63%	7.33%
% of Gross Profit	23.4%	16.94%	22.98%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.000M	$9.006M	$10.70M
YoY Change	-15.89%	-10.99%	8.08%
% of Gross Profit	9.93%	7.41%	12.0%
Operating Expenses	$65.90M	$91.77M	$66.50M
YoY Change	-0.9%	1.73%	11.2%
Operating Profit	$24.72M	$42.72M	$22.75M
YoY Change	8.68%	25.75%	3.6%
Interest Expense	-$5.100M	$6.279M	-$3.700M
YoY Change	37.84%	5.56%	-15.91%
% of Operating Profit	-20.63%	14.7%	-16.26%
Other Income/Expense, Net	$1.200M	-$5.313M	-$1.100M
YoY Change	-209.09%	30.09%	-283.33%
Pretax Income	$20.80M	$37.41M	$17.90M
YoY Change	16.2%	25.16%	-1.65%
Income Tax	$4.100M	$9.405M	$4.100M
% Of Pretax Income	19.71%	25.14%	22.91%
Net Earnings	$16.70M	$28.01M	$13.79M
YoY Change	21.11%	22.02%	7.16%
Net Earnings / Revenue	14.78%	20.82%	12.42%
Basic Earnings Per Share	$0.45	$0.76	$0.37
Diluted Earnings Per Share	$0.45	$0.76	$0.37
COMMON SHARES
Basic Shares Outstanding	36.84M shares	36.84M shares	36.75M shares
Diluted Shares Outstanding		37.00M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.300M	$10.40M	$7.100M
YoY Change	-81.69%	420.0%	3450.0%
Cash & Equivalents	$1.334M	$10.40M	$7.141M
Short-Term Investments
Other Short-Term Assets	$46.80M	$42.40M	$46.20M
YoY Change	1.3%	-21.77%	-30.21%
Inventory	$6.400M	$6.100M	$5.800M
Prepaid Expenses
Receivables	$20.91M	$28.09M	$23.40M
Other Receivables	$5.700M	$200.0K	$2.200M
Total Short-Term Assets	$122.5M	$132.5M	$131.5M
YoY Change	-6.85%	-1.8%	-15.43%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.416B	$1.378B	$1.296B
YoY Change	9.21%	9.14%	7.58%
Goodwill	$1.116M	$1.116M	$1.116M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$7.702M	$5.426M	$5.322M
YoY Change	44.72%	-4.81%	-6.09%
Total Long-Term Assets	$1.519B	$1.472B	$1.370B
YoY Change	10.87%	10.66%	8.62%
TOTAL ASSETS
Total Short-Term Assets	$122.5M	$132.5M	$131.5M
Total Long-Term Assets	$1.519B	$1.472B	$1.370B
Total Assets	$1.641B	$1.604B	$1.501B
YoY Change	9.32%	9.51%	5.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$55.62M	$59.77M	$59.53M
YoY Change	-6.58%	18.48%	16.78%
Accrued Expenses	$3.050M	$6.488M	$3.865M
YoY Change	-21.09%	-1.1%	0.1%
Deferred Revenue	$11.17M	$12.69M	$7.530M
YoY Change	48.3%		92.53%
Short-Term Debt	$5.000M	$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due	$344.0K	$344.0K	$40.32M
YoY Change	-99.15%	-99.15%	12344.44%
Total Short-Term Liabilities	$116.0M	$119.8M	$146.6M
YoY Change	-20.87%	-16.3%	-6.43%
LONG-TERM LIABILITIES
Long-Term Debt	$281.0M	$281.0M	$281.1M
YoY Change	-0.03%	0.0%	-12.44%
Other Long-Term Liabilities	$13.93M	$11.09M	$11.26M
YoY Change	23.65%	-1.12%	2.3%
Total Long-Term Liabilities	$642.8M	$292.1M	$515.5M
YoY Change	24.69%	-0.05%	26.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$116.0M	$119.8M	$146.6M
Total Long-Term Liabilities	$642.8M	$292.1M	$515.5M
Total Liabilities	$758.8M	$411.9M	$662.1M
YoY Change	14.6%	-5.39%	17.03%
SHAREHOLDERS EQUITY
Retained Earnings	$346.0M	$340.5M	$304.5M
YoY Change	13.6%	13.17%	8.83%
Common Stock	$255.6M	$255.4M	$253.7M
YoY Change	0.74%	0.85%	1.43%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$601.5M	$595.9M	$558.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.641B	$1.604B	$1.501B
YoY Change	9.32%	9.51%	5.98%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q4
OPERATING ACTIVITIES
Net Income	$16.70M	$28.01M	$13.79M
YoY Change	21.11%	22.02%	7.16%
Depreciation, Depletion And Amortization	$9.000M	$9.006M	$10.70M
YoY Change	-15.89%	-10.99%	8.08%
Cash From Operating Activities	$32.60M	$39.60M	$28.40M
YoY Change	14.79%	-8.55%	16.39%
INVESTING ACTIVITIES
Capital Expenditures	-$40.80M	-$29.90M	-$39.30M
YoY Change	3.82%	4.91%	11.65%
Acquisitions
YoY Change
Other Investing Activities	-$1.700M	$100.0K	-$100.0K
YoY Change	1600.0%	-106.67%	-200.0%
Cash From Investing Activities	-$42.50M	-$29.80M	-$39.20M
YoY Change	8.42%	-1.0%	11.68%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	900.0K	-1.000M	16.10M
YoY Change	-94.41%	-94.05%	265.91%
NET CHANGE
Cash From Operating Activities	32.60M	39.60M	28.40M
Cash From Investing Activities	-42.50M	-29.80M	-39.20M
Cash From Financing Activities	900.0K	-1.000M	16.10M
Net Change In Cash	-9.000M	8.800M	5.300M
YoY Change	-269.81%	-344.44%	-184.13%
FREE CASH FLOW
Cash From Operating Activities	$32.60M	$39.60M	$28.40M
Capital Expenditures	-$40.80M	-$29.90M	-$39.30M
Free Cash Flow	$73.40M	$69.50M	$67.70M
YoY Change	8.42%	-3.2%	13.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	awr	Allowance For Doubtful Accounts Receivable Other Current AllowanceForDoubtfulAccountsReceivableOtherCurrent	59000	USD
CY2019Q3	awr	Allowance For Doubtful Accounts Receivable Other Current AllowanceForDoubtfulAccountsReceivableOtherCurrent	59000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001056903
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	892000	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	863000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36757842	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	36839301	shares
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-14431
	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
	dei	City Area Code CityAreaCode	909
	dei	Local Phone Number LocalPhoneNumber	394-3600
	dei	Security12b Title Security12bTitle	Common shares
	dei	Trading Symbol TradingSymbol	AWR
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	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
CY2019Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	36839301	shares
CY2019Q3	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	1924183000	USD
CY2018Q4	awr	Utilities Property Plant And Equipment Gross UtilitiesPropertyPlantAndEquipmentGross	1832336000	USD
CY2019Q3	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	31328000	USD
CY2018Q4	awr	Non Utilities Property Plant And Equipment Gross NonUtilitiesPropertyPlantAndEquipmentGross	25829000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1955511000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1858165000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	577145000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	561855000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1378366000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1296310000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	1116000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1116000	USD
CY2019Q3	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	27579000	USD
CY2018Q4	awr	Property Plant And Equipment And Investments Other Net PropertyPlantAndEquipmentAndInvestmentsOtherNet	25356000	USD
CY2019Q3	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	28695000	USD
CY2018Q4	awr	Property Plant And Equipment And Investments Other And Goodwill Net PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet	26472000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10398000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7141000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	28088000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	23395000	USD
CY2019Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	21195000	USD
CY2018Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	23588000	USD
CY2019Q3	awr	Accounts Receivable From Us Government Net Current AccountsReceivableFromUSGovernmentNetCurrent	20925000	USD
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CY2019Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	238000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2164000	USD
CY2019Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	6090000	USD
CY2018Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	5775000	USD
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	14819000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	16527000	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6443000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6063000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	21645000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	22169000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	132469000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	131468000	USD
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CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5322000	USD
CY2019Q3	awr	Regulatory And Other Assets RegulatoryAndOtherAssets	64851000	USD
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CY2019Q3	us-gaap	Common Stock Value CommonStockValue	255408000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	253689000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	340539000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	304534000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	595947000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	558223000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	281001000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	281087000	USD
CY2019Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	876948000	USD
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CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	344000	USD
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CY2019Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	2019000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	360000	USD
CY2019Q3	awr	Franchise And Assessment Fees Taxes FranchiseAndAssessmentFeesTaxes	10846000	USD
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CY2019Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	12173000	USD
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	13842000	USD
CY2019Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	6488000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3865000	USD
CY2019Q3	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	3022000	USD
CY2018Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	311000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	12689000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	7530000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1841000	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10654000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10731000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	119847000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	146585000	USD
CY2019Q3	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	194500000	USD
CY2018Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	95500000	USD
CY2019Q3	us-gaap	Customer Advances For Construction CustomerAdvancesForConstruction	63788000	USD
CY2018Q4	us-gaap	Customer Advances For Construction CustomerAdvancesForConstruction	66305000	USD
CY2019Q3	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	129343000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	118889000	USD
CY2018Q4	us-gaap	Contributions In Aid Of Construction ContributionsInAidOfConstruction	124385000	USD
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CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	20083000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	44867000	USD
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CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11536000	USD
CY2018Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11092000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11262000	USD
CY2019Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	607586000	USD
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CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019Q3	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	95249000	USD
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CY2019Q3	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	11996000	USD
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CY2019Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	27251000	USD
CY2018Q3	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	28618000	USD
CY2019Q3	us-gaap	Revenues Revenues	134496000	USD
CY2018Q3	us-gaap	Revenues Revenues	124182000	USD
CY2019Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	23361000	USD
CY2018Q3	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	21842000	USD
CY2019Q3	awr	Power Purchased For Pumping PowerPurchasedForPumping	3042000	USD
CY2018Q3	awr	Power Purchased For Pumping PowerPurchasedForPumping	3217000	USD
CY2019Q3	awr	Groundwater Production Assessment GroundwaterProductionAssessment	5634000	USD
CY2018Q3	awr	Groundwater Production Assessment GroundwaterProductionAssessment	5961000	USD
CY2019Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	2403000	USD
CY2018Q3	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	2647000	USD
CY2019Q3	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-2680000	USD
CY2018Q3	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-5212000	USD
CY2019Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8267000	USD
CY2018Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8355000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20626000	USD
CY2018Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	21570000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9006000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10118000	USD
CY2019Q3	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	4109000	USD
CY2018Q3	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	3422000	USD
CY2019Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	5234000	USD
CY2018Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4692000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	12894000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	13620000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	124000	USD
CY2018Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	25000	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	91772000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	90207000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	42724000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33975000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	6279000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	5948000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	826000	USD
CY2018Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	641000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	140000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1223000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-5313000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4084000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	37411000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29891000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9405000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6939000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36835000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36737000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36996000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36950000	shares
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.305
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.275
	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	248112000	USD
	us-gaap	Regulated Operating Revenue Water RegulatedOperatingRevenueWater	228834000	USD
	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	30033000	USD
	us-gaap	Regulated Operating Revenue Electric Non Nuclear RegulatedOperatingRevenueElectricNonNuclear	25548000	USD
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	82731000	USD
	us-gaap	Regulated Operating Revenue Other RegulatedOperatingRevenueOther	71429000	USD
	us-gaap	Revenues Revenues	360876000	USD
	us-gaap	Revenues Revenues	325811000	USD
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	55263000	USD
	us-gaap	Cost Of Purchased Water CostOfPurchasedWater	52057000	USD
	awr	Power Purchased For Pumping PowerPurchasedForPumping	6562000	USD
	awr	Power Purchased For Pumping PowerPurchasedForPumping	7141000	USD
	awr	Groundwater Production Assessment GroundwaterProductionAssessment	14020000	USD
	awr	Groundwater Production Assessment GroundwaterProductionAssessment	15146000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	8498000	USD
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	8439000	USD
	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-2845000	USD
	awr	Supply Cost Balancing Accounts SupplyCostBalancingAccounts	-11110000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	24546000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	24125000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	61827000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	62076000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26493000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29794000	USD
	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	9728000	USD
	us-gaap	Cost Of Property Repairs And Maintenance CostOfPropertyRepairsAndMaintenance	10921000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	15000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	13863000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	39671000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	35168000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	236000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	43000	USD
	us-gaap	Operating Expenses OperatingExpenses	258527000	USD
	us-gaap	Operating Expenses OperatingExpenses	247577000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	102349000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	78234000	USD
	us-gaap	Interest Expense InterestExpense	18878000	USD
	us-gaap	Interest Expense InterestExpense	17919000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	2644000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	1813000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2073000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1844000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-14161000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-14262000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	88188000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	63972000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20546000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13890000	USD
	us-gaap	Net Income Loss NetIncomeLoss	67642000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50082000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36804000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36728000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.83
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36960000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36935000	shares
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.35
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.855
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.785
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	558223000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	12852000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	75000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	463000	USD
CY2019Q1	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	70000	USD
CY2019Q1	us-gaap	Dividends Common Stock DividendsCommonStock	10113000	USD
CY2019Q1	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	70000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	561500000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	26784000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	291000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	331000	USD
CY2019Q2	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	50000	USD
CY2019Q2	us-gaap	Dividends Common Stock DividendsCommonStock	10119000	USD
CY2019Q2	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	50000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	578787000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	28006000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	50000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	338000	USD
CY2019Q3	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	51000	USD
CY2019Q3	us-gaap	Dividends Common Stock DividendsCommonStock	11234000	USD
CY2019Q3	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	51000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	595947000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	529945000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	10782000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	340000	USD
CY2018Q1	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	-181000	USD
CY2018Q1	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	56000	USD
CY2018Q1	us-gaap	Dividends Common Stock DividendsCommonStock	9362000	USD
CY2018Q1	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	56000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	531524000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	16348000	USD
CY2018Q2	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	705000	USD
CY2018Q2	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	48000	USD
CY2018Q2	us-gaap	Dividends Common Stock DividendsCommonStock	9367000	USD
CY2018Q2	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	48000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	539210000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	22952000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	2093000	USD
CY2018Q3	awr	Dividends Equivalent Rights On Share Based Compensation Not Paid In Cash Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax	58000	USD
CY2018Q3	us-gaap	Dividends Common Stock DividendsCommonStock	10102000	USD
CY2018Q3	awr	Dividends Equivalent Rights On Share Based Compensation Net Of Tax DividendsEquivalentRightsOnShareBasedCompensationNetOfTax	58000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	554161000	USD
	us-gaap	Net Income Loss NetIncomeLoss	67642000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50082000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	26727000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	29973000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	471000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	588000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2242000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-2732000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2468000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3648000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	236000	USD
	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	43000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	2512000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	796000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-144000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-230000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5162000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4385000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-2393000	USD
	us-gaap	Increase Decrease In Unbilled Receivables IncreaseDecreaseInUnbilledReceivables	-1196000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-473000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-5849000	USD
	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	4160000	USD
	awr	Increase Decrease Receivable From Government IncreaseDecreaseReceivableFromGovernment	14818000	USD
	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	315000	USD
	us-gaap	Increase Decrease In Materials And Supplies IncreaseDecreaseInMaterialsAndSupplies	827000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3029000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1319000	USD
	awr	Increase Decreasein Contract Assets IncreaseDecreaseinContractAssets	-755000	USD
	awr	Increase Decreasein Contract Assets IncreaseDecreaseinContractAssets	-11345000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	19112000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-22945000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2043000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2108000	USD
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	3585000	USD
	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	4831000	USD
	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	5159000	USD
	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	5031000	USD
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	564000	USD
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-2305000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1894000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2020000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	63000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-279000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	84304000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	108405000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	111088000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	87328000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	137000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1492000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-110672000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-88757000	USD
	awr	Proceeds From Issuance Of Common Shares And Stock Option Exercises ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises	416000	USD
	awr	Proceeds From Issuance Of Common Shares And Stock Option Exercises ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises	348000	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	8260000	USD
	us-gaap	Proceeds From Contribution In Aid Of Construction ProceedsFromContributionInAidOfConstruction	4363000	USD
	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	4679000	USD
	us-gaap	Repayments Of Advances For Construction RepaymentsOfAdvancesForConstruction	3223000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	40325000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	326000	USD
	us-gaap	Increase Decrease In Notes Payable Current IncreaseDecreaseInNotesPayableCurrent	99000000	USD
	us-gaap	Increase Decrease In Notes Payable Current IncreaseDecreaseInNotesPayableCurrent	11000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	31466000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	28831000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1581000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1217000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	29625000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-17886000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	3257000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1762000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7141000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	214000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10398000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1976000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	25599000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	21703000	USD
	us-gaap	Contribution Of Property ContributionOfProperty	1376000	USD
	us-gaap	Contribution Of Property ContributionOfProperty	1968000	USD
	awr	Number Of Customers NumberOfCustomers	1000000000000	customer
CY2019Q3	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	9
	us-gaap	Basis Of Accounting BasisOfAccounting	<span style="font-family:inherit;font-size:10pt;text-decoration:underline;">Basis of Presentation</span><span style="font-family:inherit;font-size:10pt;">: The consolidated financial statements and notes thereto are presented in a combined report filed by </span><span style="font-family:inherit;font-size:10pt;"><span>two</span></span><span style="font-family:inherit;font-size:10pt;"> separate Registrants: AWR and GSWC. References in this report to “Registrant” are to AWR and GSWC, collectively, unless otherwise specified. </span><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">AWR owns all of the outstanding common shares of GSWC and ASUS. ASUS owns all of the outstanding common stock of the Military Utility Privatization Subsidiaries. The consolidated financial statements of AWR include the accounts of AWR and its subsidiaries, all of which are wholly owned. These financial statements are prepared in conformity with accounting principles generally accepted in the United States of America ("GAAP"). Intercompany transactions and balances have been eliminated in the AWR consolidated financial statements.</span></div><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> The consolidated financial statements included herein have been prepared by Registrant, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). The </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;"> condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP. The preparation of the consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. In the opinion of management, all adjustments consisting of normal, recurring items and estimates necessary for a fair statement of the results for the interim periods have been made. It is suggested that these consolidated financial statements be read in conjunction with the consolidated financial statements and the notes thereto included in the Form 10-K for the year ended </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;"> filed with the SEC.</span></div>
	awr	Number Of Registrants Filing Combined Report NumberOfRegistrantsFilingCombinedReport	2	registrant
	us-gaap	Related Party Transaction Terms And Manner Of Settlement RelatedPartyTransactionTermsAndMannerOfSettlement	P24M
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	0	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7600000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	8000000.0	USD
CY2019Q3	us-gaap	Revenues Revenues	134496000	USD
CY2018Q3	us-gaap	Revenues Revenues	124182000	USD
	us-gaap	Revenues Revenues	360876000	USD
	us-gaap	Revenues Revenues	325811000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5900000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7300000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	3200000000	USD
CY2019Q3	awr	Regulatory Asset Not Accruing Carrying Costs RegulatoryAssetNotAccruingCarryingCosts	53400000	USD
CY2019Q3	awr	Numberofparties Numberofparties	2
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	28006000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	22952000	USD
	us-gaap	Net Income Loss NetIncomeLoss	67642000	USD
	us-gaap	Net Income Loss NetIncomeLoss	50082000	USD
CY2019Q3	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	11234000	USD
CY2018Q3	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	10102000	USD
	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	31466000	USD
	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	28831000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	50000	USD
CY2018Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	54000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	137000	USD
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	151000	USD
CY2019Q3	us-gaap	Undistributed Earnings UndistributedEarnings	16722000	USD
CY2018Q3	us-gaap	Undistributed Earnings UndistributedEarnings	12796000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	36039000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	21100000	USD
CY2019Q3	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	16647000	USD
CY2018Q3	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	12727000	USD
	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	35882000	USD
	awr	Undistributed Earnings Allocated To Common Stock UndistributedEarningsAllocatedToCommonStock	20991000	USD
CY2019Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	75000	USD
CY2018Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	69000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	157000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	109000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27881000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22829000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	67348000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	49822000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36835000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36737000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36804000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36728000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.83
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8556	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	47792	shares
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	27881000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	22829000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	67348000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	49822000	USD
CY2019Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	75000	USD
CY2018Q3	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	69000	USD
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	157000	USD
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	109000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	27956000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	22898000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	67505000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	49931000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36835000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36737000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36804000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36728000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	161000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	213000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	156000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	207000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36996000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36950000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36960000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36935000	shares
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.83
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.35
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8556	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	47792	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	81459	shares
	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	64245	shares
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	416000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	348000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1600000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1200000	USD
CY2019Q3	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	11200000	USD
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.305
CY2018Q3	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	10100000	USD
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.275
	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	31500000	USD
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.855
	awr	Weighted Average Dividends Common Stock WeightedAverageDividendsCommonStock	28800000	USD
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.785
	us-gaap	Site Contingency Recovery From Third Party Of Environmental Remediation Cost SiteContingencyRecoveryFromThirdPartyOfEnvironmentalRemediationCost	1500000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	13000000.0	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1800000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11500000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	806000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	827000	USD
	us-gaap	Lease Cost LeaseCost	2386000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	71000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	251000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y3M14D
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y3M14D
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.036
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.036
CY2019Q3	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	2530000	USD
	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	17228000	USD
CY2019Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	683000	USD
CY2018Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	569000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2000000.0	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	1700000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2709000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	691000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	2818000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2530000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2533000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1497000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2218000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1007000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1779000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	546000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	6745000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	605000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	16675000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	9003000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3298000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	13377000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1841000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11536000	USD
CY2019Q3	us-gaap	Revenues Revenues	134496000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	42724000	USD
CY2019Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-5453000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1378366000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9006000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9405000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	29933000	USD
CY2018Q3	us-gaap	Revenues Revenues	124182000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	33975000	USD
CY2018Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-5307000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1262915000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10118000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6939000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	28546000	USD
	us-gaap	Revenues Revenues	360876000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	102349000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-16234000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1378366000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26493000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20546000	USD
	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	111088000	USD
	us-gaap	Revenues Revenues	325811000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	78234000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-16106000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1262915000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29794000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13890000	USD
	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	87328000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1378366000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1262915000	USD
CY2019Q3	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	226015000	USD
CY2018Q3	awr	Assets Other Than Property Plant And Equipment Net AssetsOtherThanPropertyPlantAndEquipmentNet	202127000	USD
CY2019Q3	us-gaap	Assets Assets	1604381000	USD
CY2018Q3	us-gaap	Assets Assets	1465042000	USD

Files In Submission

Name	View Source	Status
0001056903-19-000037-index-headers.html	Edgar Link	pending
0001056903-19-000037-index.html	Edgar Link	pending
0001056903-19-000037.txt	Edgar Link	pending
0001056903-19-000037-xbrl.zip	Edgar Link	pending
awr-20190930.xsd	Edgar Link	pending
awr-20190930x10q.htm	Edgar Link	pending
awr-20190930x10q_htm.xml	Edgar Link	completed
awr-20190930xex311.htm	Edgar Link	pending
awr-20190930xex3111.htm	Edgar Link	pending
awr-20190930xex312.htm	Edgar Link	pending
awr-20190930xex3121.htm	Edgar Link	pending
awr-20190930xex321.htm	Edgar Link	pending
awr-20190930xex322.htm	Edgar Link	pending
awr-20190930_cal.xml	Edgar Link	unprocessable
awr-20190930_def.xml	Edgar Link	unprocessable
awr-20190930_lab.xml	Edgar Link	unprocessable
awr-20190930_pre.xml	Edgar Link	unprocessable
exhibit1011amendedcred.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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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

2019 Q4 Form 10-Q Financial Statement

#000105690319000037 Filed on November 04, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR AMERICAN STATES WATER CO Stock $awr

2019 Q4 Form 10-Q Financial Statement

#000105690319000037 Filed on November 04, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AWR
AMERICAN STATES WATER CO Stock $awr