10-K Filing

CALIFORNIA WATER SERVICE GROUP CIK: 1035201 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001035201-25-000003`
Period End Date	20241231
Filing Date	20250227
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	cwt-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 198 Income Statement 168 Cash Flow Statement 264 Stockholders Equity 64 Comprehensive Income 48

Balance Sheet 198 line items

Line Item	Tag	Value	Unit	Period
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	136.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	136.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	136.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	136.00M	shares	Point-in-time
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$56.62M	USD	Point-in-time
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$56.62M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	57.72M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	57.72M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	59.48M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	59.48M	shares	Point-in-time
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$47.00M	USD	Point-in-time
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$47.00M	USD	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$4.98B	USD	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$4.98B	USD	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$4.56B	USD	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$4.56B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$287.60M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$287.60M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$329.44M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$329.44M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$37.21M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$37.21M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$32.92M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$32.92M	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.40B	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.40B	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.93B	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.93B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.15B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.15B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.24B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.24B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.16B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.16B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.77B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.77B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$50.12M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$50.12M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$39.59M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$39.59M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.57M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.57M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.38M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.38M	USD	Point-in-time
Customers, net	`AccountsReceivableNetCurrent`	$59.35M	USD	Point-in-time
Customers, net	`AccountsReceivableNetCurrent`	$59.35M	USD	Point-in-time
Customers, net	`AccountsReceivableNetCurrent`	$58.59M	USD	Point-in-time
Customers, net	`AccountsReceivableNetCurrent`	$58.59M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$55.92M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$55.92M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$64.24M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$64.24M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$33.98M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$33.98M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$16.43M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$16.43M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$37.00M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$37.00M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$39.72M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$39.72M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$16.17M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$16.17M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$20.51M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$20.51M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$19.74M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$19.74M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$18.13M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$18.13M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$296.29M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$296.29M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$324.14M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$324.14M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$357.41M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$357.41M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$257.62M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$257.62M	USD	Point-in-time
Goodwill	`Goodwill`	$36.81M	USD	Point-in-time
Goodwill	`Goodwill`	$36.81M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Goodwill	`Goodwill`	$37.06M	USD	Point-in-time
Goodwill	`Goodwill`	$37.06M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$302.97M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$302.97M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$231.33M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$231.33M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$697.44M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$697.44M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$525.99M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$525.99M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$5.18B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$5.18B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$4.60B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$4.60B	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,484 and 57,724 outstanding in 2024 and 2023, respectively	`CommonStockValue`	$595.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,484 and 57,724 outstanding in 2024 and 2023, respectively	`CommonStockValue`	$595.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,484 and 57,724 outstanding in 2024 and 2023, respectively	`CommonStockValue`	$577.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,484 and 57,724 outstanding in 2024 and 2023, respectively	`CommonStockValue`	$577.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$876.58M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$876.58M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$966.98M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$966.98M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$549.57M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$549.57M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$674.92M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$674.92M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	-	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	-	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$3.58M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$3.58M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$3.02M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$3.02M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligations`	$1.05B	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligations`	$1.05B	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligations`	$1.10B	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligations`	$1.10B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.48B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.48B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.74B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.74B	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$672.00K	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$672.00K	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$72.42M	USD	Point-in-time
Long-term debt, net	`LongTermDebtAndCapitalLeaseObligationsCurrent`	$72.42M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$205.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$205.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$180.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$180.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$157.31M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$157.31M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$167.53M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$167.53M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$21.54M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$21.54M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$22.65M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$22.65M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$6.08M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$6.08M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$4.59M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$4.59M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$6.62M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$6.62M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$8.41M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$8.41M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$59.61M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$59.61M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$56.27M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$56.27M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$430.34M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$430.34M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$538.36M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$538.36M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$352.76M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$352.76M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$411.08M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$411.08M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$814.55M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$814.55M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$683.72M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$683.72M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$81.67M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$81.67M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$82.92M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$82.92M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$199.45M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$199.45M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$202.61M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$202.61M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$286.49M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$286.49M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$294.97M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$294.97M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$94.18M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$94.18M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$76.78M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$76.78M	USD	Point-in-time
Contingencies and commitments (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies and commitments (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$4.60B	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$4.60B	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$5.18B	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$5.18B	USD	Point-in-time

Income Statement 168 line items

Line Item	Tag	Value	Unit	Period
Operating revenue	`RegulatedOperatingRevenueWater`	$846.43M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$846.43M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$794.63M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$794.63M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$1.04B	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$1.04B	USD	Annual
Purchased water	`CostOfPurchasedWater`	$223.83M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$223.83M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$241.20M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$241.20M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$224.53M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$224.53M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$45.66M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$45.66M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$44.57M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$44.57M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$47.69M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$47.69M	USD	Annual
Pump taxes	`PumpTaxes`	$19.02M	USD	Annual
Pump taxes	`PumpTaxes`	$19.02M	USD	Annual
Pump taxes	`PumpTaxes`	$16.17M	USD	Annual
Pump taxes	`PumpTaxes`	$16.17M	USD	Annual
Pump taxes	`PumpTaxes`	$21.76M	USD	Annual
Pump taxes	`PumpTaxes`	$21.76M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$139.51M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$139.51M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$132.72M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$132.72M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$142.24M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$142.24M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$112.48M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$112.48M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$116.17M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$116.17M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$118.46M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$118.46M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$31.71M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$31.71M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$31.98M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$31.98M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$34.75M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$34.75M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$114.58M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$114.58M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$131.90M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$131.90M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$121.21M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$121.21M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$-15.19M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$-15.19M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$3.26M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$3.26M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$35.94M	USD	Annual
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$35.94M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$40.54M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$40.54M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$35.06M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$35.06M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$36.27M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$36.27M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$718.77M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$718.77M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$811.75M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$811.75M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$717.50M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$717.50M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$77.14M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$77.14M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$225.05M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$225.05M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$127.66M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$127.66M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$18.51M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$18.51M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$20.63M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$20.63M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$21.28M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$21.28M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$24.82M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$24.82M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$11.81M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$11.81M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$14.20M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$14.20M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-15.80M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-15.80M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-20.21M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-20.21M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-14.48M	USD	Annual
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-14.48M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.55M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.55M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.13M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.13M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.90M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.90M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$6.55M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$6.55M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$8.41M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$8.41M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$3.11M	USD	Annual
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$3.11M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$22.58M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$22.58M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$11.95M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$11.95M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$24.06M	USD	Annual
Net other income	`OtherNonoperatingIncomeExpense`	$24.06M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$46.69M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$46.69M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$52.81M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$52.81M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$60.70M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$60.70M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$3.15M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$3.15M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.99M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.99M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.34M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.34M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$44.34M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$44.34M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$49.82M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$49.82M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$57.55M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$57.55M	USD	Annual
Net income	`ProfitLoss`	$190.09M	USD	Annual
Net income	`ProfitLoss`	$190.09M	USD	Annual
Net income	`ProfitLoss`	$95.26M	USD	Annual
Net income	`ProfitLoss`	$95.26M	USD	Annual
Net income	`ProfitLoss`	$51.38M	USD	Annual
Net income	`ProfitLoss`	$51.38M	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-748.00K	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-748.00K	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-535.00K	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-535.00K	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-722.00K	USD	Annual
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-722.00K	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$190.81M	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$190.81M	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$96.01M	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$96.01M	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$51.91M	USD	Annual
Net income attributable to California Water Service Group	`NetIncomeLoss`	$51.91M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.91	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.91	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.26	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.26	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.77	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.77	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.77	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.77	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.91	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.91	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.25	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.25	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.95M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.95M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.61M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.61M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	54.32M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	54.32M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.36M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.36M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.65M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.65M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.98M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.98M	shares	Annual

Cash Flow Statement 264 line items

Line Item	Tag	Value	Unit	Period
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$184.00K	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$184.00K	USD	Annual
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$117.36M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$117.36M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.14M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$134.14M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$123.12M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$123.12M	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$246.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$246.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$262.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$262.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$369.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$369.00K	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-40.45M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-40.45M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-35.63M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-35.63M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-26.88M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-26.88M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$4.92M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$4.92M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$-7.16M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$-7.16M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$3.58M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$3.58M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.55M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.55M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.13M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.13M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.90M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.90M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$5.16M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$5.16M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$2.99M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$2.99M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.75M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.75M	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$702.00K	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$702.00K	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$1.31M	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$1.31M	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$-536.00K	USD	Annual
Write-off (recovery) of capital costs	`NoncashProjectAbandonmentWriteOffRecovery`	$-536.00K	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$-42.71M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$-42.71M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$42.28M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$42.28M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$40.69M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$40.69M	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-83.04M	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-83.04M	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-20.84M	USD	Annual
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-20.84M	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-25.17M	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-25.17M	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-3.61M	USD	Annual
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-3.61M	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$3.86M	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$3.86M	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$381.00K	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$381.00K	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$2.72M	USD	Annual
Accrued and unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$2.72M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$5.39M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$5.39M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$5.10M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$5.10M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-654.00K	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-654.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$9.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$9.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.74M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.74M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-7.63M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-7.63M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$2.77M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$2.77M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$7.94M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$7.94M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-346.00K	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-346.00K	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$80.61M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$80.61M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-23.63M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-23.63M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$33.62M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$33.62M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$217.82M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$217.82M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$243.77M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$243.77M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$290.87M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$290.87M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$470.80M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$470.80M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$383.75M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$383.75M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$327.76M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$327.76M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$175.00K	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$175.00K	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.61M	USD	Annual
Business acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.61M	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	$7.77M	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	$7.77M	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	-	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	-	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	$2.82M	USD	Annual
Asset acquisitions	`PaymentsForAssetAcquisitions`	$2.82M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$3.94M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$3.94M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$2.68M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$2.68M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$6.69M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$6.69M	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$6.69M	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$6.69M	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$1.43M	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$1.43M	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	-	USD	Annual
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-48.00K	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-48.00K	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-389.42M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-389.42M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-335.52M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-335.52M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-474.87M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-474.87M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$150.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$150.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$505.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$505.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$227.79M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$227.79M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$120.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$120.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$480.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$480.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$115.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$115.00M	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	$124.82M	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $184	`ProceedsFromIssuanceOfLongTermDebt`	$124.82M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$30.39M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$30.39M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$25.82M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$25.82M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$21.16M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$21.16M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.36M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.36M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.47M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.47M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.40M	USD	Annual
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$9.40M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.81M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$1.81M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$5.42M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$5.42M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$889.00K	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$889.00K	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.84M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.84M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.44M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.44M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$2.01M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$2.01M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$115.11M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$115.11M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$106.74M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$106.74M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$89.03M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$89.03M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$65.46M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$65.46M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$59.04M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$59.04M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$54.19M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$54.19M	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$489.00K	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$489.00K	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$348.00K	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$348.00K	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$465.00K	USD	Annual
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$465.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$3.16M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$3.16M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$194.72M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$194.72M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$96.12M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$96.12M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$171.54M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$171.54M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$10.72M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$10.72M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$4.37M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$4.37M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-59.00K	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-59.00K	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.65M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.65M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.69M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.69M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.65M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$80.65M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.69M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.69M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Interest (net of amounts capitalized)	`InterestPaidNet`	$55.66M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$55.66M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$49.15M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$49.15M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$43.77M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$43.77M	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	$27.00M	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	$27.00M	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	-	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	-	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	$-3.53M	USD	Annual
Income taxes (net of refunds)	`IncomeTaxesPaidNet`	$-3.53M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$51.51M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$51.51M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$56.84M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$56.84M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$54.38M	USD	Annual
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$54.38M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$30.45M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$30.45M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$20.38M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$20.38M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$24.20M	USD	Annual
Utility plant contributed by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$24.20M	USD	Annual

Stockholders Equity 64 line items

Line Item	Tag	Value	Unit	Period
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.12	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.12	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.00	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.00	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.04	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.04	USD	Annual
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$111.76M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$111.76M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$117.89M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$117.89M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$92.49M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$92.49M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$2.01M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$2.01M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.84M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.84M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.44M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.44M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$65.46M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$65.46M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$59.04M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$59.04M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$54.19M	USD	Annual
Dividends paid on common stock	`DividendsCommonStockCash`	$54.19M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Annual
Acquisition of business with noncontrolling interest	`NoncontrollingInterestIncreaseFromBusinessCombination`	-	USD	Annual
Acquisition of business with noncontrolling interest	`NoncontrollingInterestIncreaseFromBusinessCombination`	-	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	-	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	-	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	-	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	-	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	$-348.00K	USD	Annual
Investment in business with noncontrolling interest	`NoncontrollingInterestIncreaseFromInvestmentInBusiness`	$-348.00K	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$489.00K	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$489.00K	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$465.00K	USD	Annual
Distribution to noncontrolling interest	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$465.00K	USD	Annual
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.32B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.64B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Balance at the end of the period	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time

Comprehensive Income 48 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$190.09M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$95.26M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Net income (loss)	`ProfitLoss`	$51.38M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$9.84M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$9.84M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$1.18M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$1.18M	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.45M	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.45M	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	Annual
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Annual
Other comprehensive loss, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-7.22M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$95.26M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$95.26M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$182.87M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$182.87M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$51.38M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$51.38M	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-535.00K	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-535.00K	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-748.00K	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-748.00K	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-722.00K	USD	Annual
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-722.00K	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$183.59M	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$183.59M	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$51.91M	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$51.91M	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$96.01M	USD	Annual
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$96.01M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.