10-Q Filing

CALIFORNIA WATER SERVICE GROUP CIK: 1035201 Q3 2024

Filing Information

Form Type	10-Q
Accession Number	`0001035201-24-000013`
Period End Date	20240930
Filing Date	20241031
Fiscal Year	2024
Fiscal Period	Q3
XBRL Instance	cwt-20240930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 180 Income Statement 208 Cash Flow Statement 160 Comprehensive Income 56

Balance Sheet 180 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
Utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.93B	USD	Point-in-time
Utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.93B	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	59.47M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	59.47M	shares	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
Utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.26B	USD	Point-in-time
Utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.26B	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`	$1.22B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.22B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.04B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.04B	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`	$39.59M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$39.59M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$59.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$59.56M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.38M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.38M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.64M	USD	Point-in-time
Restricted cash	`RestrictedCashCurrent`	$45.64M	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`	$81.08M	USD	Point-in-time
Customers, net	`AccountsReceivableNetCurrent`	$81.08M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$64.24M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$64.24M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$59.09M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$59.09M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$16.43M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$16.43M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$20.25M	USD	Point-in-time
Other, net	`NontradeReceivablesCurrent`	$20.25M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$55.97M	USD	Point-in-time
Accrued and unbilled revenue, net	`ReceivablesLongTermContractsOrPrograms`	$55.97M	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
Materials and supplies	`PublicUtilitiesInventory`	$16.17M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$16.17M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$19.87M	USD	Point-in-time
Materials and supplies	`PublicUtilitiesInventory`	$19.87M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$21.49M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$21.49M	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`	$362.95M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$362.95M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$340.42M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$340.42M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$257.62M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$257.62M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Goodwill	`Goodwill`	$37.04M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$233.62M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$233.62M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$231.33M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$231.33M	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 other assets	`TotalOtherAssets`	$611.07M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$611.07M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$5.01B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$5.01B	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, 59,473 and 57,724 outstanding on September 30, 2024 and December 31, 2023, respectively	`CommonStockValue`	$595.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,473 and 57,724 outstanding on September 30, 2024 and December 31, 2023, respectively	`CommonStockValue`	$595.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,473 and 57,724 outstanding on September 30, 2024 and December 31, 2023, respectively	`CommonStockValue`	$577.00K	USD	Point-in-time
Common stock, $0.01 par value; 136,000 shares authorized, 59,473 and 57,724 outstanding on September 30, 2024 and December 31, 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`	$965.28M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$965.28M	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`	$671.91M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$671.91M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.20M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-9.20M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	-	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	-	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.58M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.58M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.04M	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$3.04M	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`	$1.55B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.55B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.41B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.41B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.63B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.63B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.39B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.05B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.05B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.05B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$1.05B	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`	$2.68B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.68B	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$672.00K	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$672.00K	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$890.00K	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$890.00K	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$260.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$260.00M	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`	$171.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$171.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$157.31M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$157.31M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$24.13M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$24.13M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$21.54M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$21.54M	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`	$17.13M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$17.13M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$97.07M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$97.07M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$64.20M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$64.20M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$570.73M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$570.73M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$430.34M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$430.34M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$365.60M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$365.60M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$352.76M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$352.76M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$683.72M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$683.72M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$734.92M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$734.92M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$83.41M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$83.41M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$82.92M	USD	Point-in-time
Pension	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$82.92M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$201.42M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$201.42M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$199.45M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$199.45M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$292.54M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$292.54M	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
Other	`OtherLiabilitiesNoncurrent`	$76.78M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$76.78M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$83.07M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$83.07M	USD	Point-in-time
Commitments and contingencies (Note 9)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 9)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 9)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 9)	`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`	$5.01B	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$5.01B	USD	Point-in-time

Income Statement 208 line items

Line Item	Tag	Value	Unit	Period
Operating revenue	`RegulatedOperatingRevenueWater`	$580.12M	USD	3 Qtrs
Operating revenue	`RegulatedOperatingRevenueWater`	$580.12M	USD	3 Qtrs
Operating revenue	`RegulatedOperatingRevenueWater`	$814.61M	USD	3 Qtrs
Operating revenue	`RegulatedOperatingRevenueWater`	$814.61M	USD	3 Qtrs
Operating revenue	`RegulatedOperatingRevenueWater`	$299.56M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$299.56M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$254.98M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$254.98M	USD	1 Quarter
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$236.92M	USD	3 Qtrs
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$236.92M	USD	3 Qtrs
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$218.22M	USD	3 Qtrs
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$218.22M	USD	3 Qtrs
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$92.35M	USD	1 Quarter
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$92.35M	USD	1 Quarter
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$95.09M	USD	1 Quarter
Water production costs	`UtilitiesOperatingExpenseProductsAndServices`	$95.09M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$103.09M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$103.09M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$105.18M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$105.18M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$35.45M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$35.45M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$34.22M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$34.22M	USD	1 Quarter
Other operations	`UtilitiesOperatingExpenseOther`	$32.33M	USD	1 Quarter
Other operations	`UtilitiesOperatingExpenseOther`	$32.33M	USD	1 Quarter
Other operations	`UtilitiesOperatingExpenseOther`	$86.17M	USD	3 Qtrs
Other operations	`UtilitiesOperatingExpenseOther`	$86.17M	USD	3 Qtrs
Other operations	`UtilitiesOperatingExpenseOther`	$74.76M	USD	3 Qtrs
Other operations	`UtilitiesOperatingExpenseOther`	$74.76M	USD	3 Qtrs
Other operations	`UtilitiesOperatingExpenseOther`	$33.62M	USD	1 Quarter
Other operations	`UtilitiesOperatingExpenseOther`	$33.62M	USD	1 Quarter
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$26.06M	USD	3 Qtrs
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$26.06M	USD	3 Qtrs
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$8.93M	USD	1 Quarter
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$8.93M	USD	1 Quarter
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$24.06M	USD	3 Qtrs
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$24.06M	USD	3 Qtrs
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$9.26M	USD	1 Quarter
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$9.26M	USD	1 Quarter
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$33.06M	USD	1 Quarter
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$33.06M	USD	1 Quarter
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$89.64M	USD	3 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$89.64M	USD	3 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$98.89M	USD	3 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$98.89M	USD	3 Qtrs
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$29.90M	USD	1 Quarter
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$29.90M	USD	1 Quarter
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$3.95M	USD	1 Quarter
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$3.95M	USD	1 Quarter
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$-1.37M	USD	3 Qtrs
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$-1.37M	USD	3 Qtrs
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$15.48M	USD	1 Quarter
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$15.48M	USD	1 Quarter
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$39.71M	USD	3 Qtrs
Income tax expense (benefit)	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$39.71M	USD	3 Qtrs
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$10.84M	USD	1 Quarter
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$10.84M	USD	1 Quarter
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$30.96M	USD	3 Qtrs
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$30.96M	USD	3 Qtrs
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$27.73M	USD	3 Qtrs
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$27.73M	USD	3 Qtrs
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$9.83M	USD	1 Quarter
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$9.83M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$232.81M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$232.81M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$211.50M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$211.50M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$538.22M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$538.22M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$621.80M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$621.80M	USD	3 Qtrs
Net operating income	`OperatingIncomeLoss`	$66.75M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$66.75M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$41.90M	USD	3 Qtrs
Net operating income	`OperatingIncomeLoss`	$41.90M	USD	3 Qtrs
Net operating income	`OperatingIncomeLoss`	$192.81M	USD	3 Qtrs
Net operating income	`OperatingIncomeLoss`	$192.81M	USD	3 Qtrs
Net operating income	`OperatingIncomeLoss`	$43.47M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$43.47M	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$14.74M	USD	3 Qtrs
Non-regulated revenue	`UnregulatedOperatingRevenue`	$14.74M	USD	3 Qtrs
Non-regulated revenue	`UnregulatedOperatingRevenue`	$4.54M	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$4.54M	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$4.13M	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$4.13M	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$13.64M	USD	3 Qtrs
Non-regulated revenue	`UnregulatedOperatingRevenue`	$13.64M	USD	3 Qtrs
Non-regulated expenses	`OtherNonoperatingExpense`	$11.22M	USD	3 Qtrs
Non-regulated expenses	`OtherNonoperatingExpense`	$11.22M	USD	3 Qtrs
Non-regulated expenses	`OtherNonoperatingExpense`	$934.00K	USD	1 Quarter
Non-regulated expenses	`OtherNonoperatingExpense`	$934.00K	USD	1 Quarter
Non-regulated expenses	`OtherNonoperatingExpense`	$7.01M	USD	3 Qtrs
Non-regulated expenses	`OtherNonoperatingExpense`	$7.01M	USD	3 Qtrs
Non-regulated expenses	`OtherNonoperatingExpense`	$5.99M	USD	1 Quarter
Non-regulated expenses	`OtherNonoperatingExpense`	$5.99M	USD	1 Quarter
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-12.06M	USD	3 Qtrs
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-12.06M	USD	3 Qtrs
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-4.78M	USD	1 Quarter
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-4.78M	USD	1 Quarter
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-4.45M	USD	1 Quarter
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-4.45M	USD	1 Quarter
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-14.75M	USD	3 Qtrs
Other components of net periodic benefit credit	`DefinedBenefitPlanOtherCosts`	$-14.75M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.39M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.39M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.25M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.25M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.69M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.69M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.15M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.15M	USD	3 Qtrs
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$4.57M	USD	3 Qtrs
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$4.57M	USD	3 Qtrs
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$4.30M	USD	3 Qtrs
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$4.30M	USD	3 Qtrs
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.06M	USD	1 Quarter
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.06M	USD	1 Quarter
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.94M	USD	1 Quarter
Income tax expense on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.94M	USD	1 Quarter
Net other income	`OtherNonoperatingIncomeExpense`	$7.40M	USD	1 Quarter
Net other income	`OtherNonoperatingIncomeExpense`	$7.40M	USD	1 Quarter
Net other income	`OtherNonoperatingIncomeExpense`	$20.48M	USD	3 Qtrs
Net other income	`OtherNonoperatingIncomeExpense`	$20.48M	USD	3 Qtrs
Net other income	`OtherNonoperatingIncomeExpense`	$17.02M	USD	3 Qtrs
Net other income	`OtherNonoperatingIncomeExpense`	$17.02M	USD	3 Qtrs
Net other income	`OtherNonoperatingIncomeExpense`	$3.64M	USD	1 Quarter
Net other income	`OtherNonoperatingIncomeExpense`	$3.64M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$39.79M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$39.79M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$14.38M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$14.38M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$13.48M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$13.48M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$45.02M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$45.02M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.36M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.36M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$788.00K	USD	1 Quarter
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$788.00K	USD	1 Quarter
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.31M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.31M	USD	3 Qtrs
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$690.00K	USD	1 Quarter
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$690.00K	USD	1 Quarter
Net interest expense	`InterestCostsIncurred`	$42.67M	USD	3 Qtrs
Net interest expense	`InterestCostsIncurred`	$42.67M	USD	3 Qtrs
Net interest expense	`InterestCostsIncurred`	$13.60M	USD	1 Quarter
Net interest expense	`InterestCostsIncurred`	$13.60M	USD	1 Quarter
Net interest expense	`InterestCostsIncurred`	$12.79M	USD	1 Quarter
Net interest expense	`InterestCostsIncurred`	$12.79M	USD	1 Quarter
Net interest expense	`InterestCostsIncurred`	$37.48M	USD	3 Qtrs
Net interest expense	`InterestCostsIncurred`	$37.48M	USD	3 Qtrs
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-527.00K	USD	3 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-527.00K	USD	3 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-126.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-126.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-113.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-113.00K	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-345.00K	USD	3 Qtrs
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-345.00K	USD	3 Qtrs
Net income attributable to California Water Service Group	`NetIncomeLoss`	$34.44M	USD	1 Quarter
Net income attributable to California Water Service Group	`NetIncomeLoss`	$34.44M	USD	1 Quarter
Net income attributable to California Water Service Group	`NetIncomeLoss`	$21.78M	USD	3 Qtrs
Net income attributable to California Water Service Group	`NetIncomeLoss`	$21.78M	USD	3 Qtrs
Net income attributable to California Water Service Group	`NetIncomeLoss`	$60.68M	USD	1 Quarter
Net income attributable to California Water Service Group	`NetIncomeLoss`	$60.68M	USD	1 Quarter
Net income attributable to California Water Service Group	`NetIncomeLoss`	$171.15M	USD	3 Qtrs
Net income attributable to California Water Service Group	`NetIncomeLoss`	$171.15M	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.60	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.60	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.93	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.93	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.03	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.03	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.38	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.38	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.60	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.60	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.03	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.03	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.38	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.38	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.93	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.93	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.70M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.70M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	57.70M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	57.70M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.32M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.32M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.93M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	58.93M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.73M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.73M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.36M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.36M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	57.74M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	57.74M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.98M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	58.98M	shares	1 Quarter

Cash Flow Statement 160 line items

Line Item	Tag	Value	Unit	Period
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.55M	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$1.55M	USD	3 Qtrs
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$91.13M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$91.13M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$100.54M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$100.54M	USD	3 Qtrs
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$712.00K	USD	3 Qtrs
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$712.00K	USD	3 Qtrs
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$4.92M	USD	3 Qtrs
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$4.92M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.39M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.39M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.25M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$5.25M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.69M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$1.69M	USD	1 Quarter
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.15M	USD	3 Qtrs
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$4.15M	USD	3 Qtrs
Receivables and accrued and unbilled revenue	`IncreaseDecreaseInReceivables`	$64.25M	USD	3 Qtrs
Receivables and accrued and unbilled revenue	`IncreaseDecreaseInReceivables`	$64.25M	USD	3 Qtrs
Receivables and accrued and unbilled revenue	`IncreaseDecreaseInReceivables`	$6.06M	USD	3 Qtrs
Receivables and accrued and unbilled revenue	`IncreaseDecreaseInReceivables`	$6.06M	USD	3 Qtrs
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	3 Qtrs
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	3 Qtrs
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-83.04M	USD	3 Qtrs
Water Arrearages Payment Program cash received	`IncreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-83.04M	USD	3 Qtrs
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-25.17M	USD	3 Qtrs
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	$-25.17M	USD	3 Qtrs
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	3 Qtrs
Water Arrearages Payment Program cash returned	`DecreaseInAllowanceForCreditLossesWaterArrearagesPaymentProgram`	-	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$10.05M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$10.05M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$8.87M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$8.87M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$356.00K	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$356.00K	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$6.31M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$6.31M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$14.79M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$14.79M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$36.57M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$36.57M	USD	3 Qtrs
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$72.13M	USD	3 Qtrs
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$72.13M	USD	3 Qtrs
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-18.56M	USD	3 Qtrs
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-18.56M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$222.78M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$222.78M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$143.51M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$143.51M	USD	3 Qtrs
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$274.13M	USD	3 Qtrs
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$274.13M	USD	3 Qtrs
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$332.16M	USD	3 Qtrs
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$332.16M	USD	3 Qtrs
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$1.43M	USD	3 Qtrs
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	$1.43M	USD	3 Qtrs
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	-	USD	3 Qtrs
Life insurance proceeds	`ProceedsFromLifeInsurancePolicies`	-	USD	3 Qtrs
Purchase of life insurance contracts	`PaymentsToAcquireLifeInsurancePolicies`	$2.68M	USD	3 Qtrs
Purchase of life insurance contracts	`PaymentsToAcquireLifeInsurancePolicies`	$2.68M	USD	3 Qtrs
Purchase of life insurance contracts	`PaymentsToAcquireLifeInsurancePolicies`	$3.94M	USD	3 Qtrs
Purchase of life insurance contracts	`PaymentsToAcquireLifeInsurancePolicies`	$3.94M	USD	3 Qtrs
Asset acquisition	`PaymentsForAssetAcquisitions`	$2.82M	USD	3 Qtrs
Asset acquisition	`PaymentsForAssetAcquisitions`	$2.82M	USD	3 Qtrs
Asset acquisition	`PaymentsForAssetAcquisitions`	$252.00K	USD	3 Qtrs
Asset acquisition	`PaymentsForAssetAcquisitions`	$252.00K	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-48.00K	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-48.00K	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	-	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-279.63M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-279.63M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-334.88M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-334.88M	USD	3 Qtrs
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	`ProceedsFromShortTermDebt`	$370.00M	USD	3 Qtrs
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	`ProceedsFromShortTermDebt`	$370.00M	USD	3 Qtrs
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	`ProceedsFromShortTermDebt`	$163.45M	USD	3 Qtrs
Short-term borrowings, net of debt issuance costs of $0 for 2024 and $1,552 for 2023	`ProceedsFromShortTermDebt`	$163.45M	USD	3 Qtrs
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$120.00M	USD	3 Qtrs
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$120.00M	USD	3 Qtrs
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$290.00M	USD	3 Qtrs
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$290.00M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$1.55M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$1.55M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$679.00K	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$679.00K	USD	3 Qtrs
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$16.71M	USD	3 Qtrs
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$16.71M	USD	3 Qtrs
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$19.12M	USD	3 Qtrs
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstructionFinancingActivities`	$19.12M	USD	3 Qtrs
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$6.88M	USD	3 Qtrs
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$6.88M	USD	3 Qtrs
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$7.10M	USD	3 Qtrs
Refunds of advances for construction	`RefundsOfAdvancesForConstruction`	$7.10M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.74M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.74M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.34M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.34M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$114.47M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$114.47M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$88.46M	USD	3 Qtrs
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$88.46M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$44.03M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$44.03M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$48.81M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$48.81M	USD	3 Qtrs
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$288.00K	USD	3 Qtrs
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$288.00K	USD	3 Qtrs
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$489.00K	USD	3 Qtrs
Distribution to noncontrolling interest	`PaymentsToMinorityShareholders`	$489.00K	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$3.16M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$3.16M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$132.33M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$132.33M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$120.14M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$120.14M	USD	3 Qtrs
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$20.23M	USD	3 Qtrs
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$20.23M	USD	3 Qtrs
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-15.97M	USD	3 Qtrs
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-15.97M	USD	3 Qtrs
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.05M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.05M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$105.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$105.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.05M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.05M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$84.97M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$105.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$105.20M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.03M	USD	Point-in-time
Cash paid for interest (net of amounts capitalized)	`InterestPaidNet`	$32.10M	USD	3 Qtrs
Cash paid for interest (net of amounts capitalized)	`InterestPaidNet`	$32.10M	USD	3 Qtrs
Cash paid for interest (net of amounts capitalized)	`InterestPaidNet`	$25.95M	USD	3 Qtrs
Cash paid for interest (net of amounts capitalized)	`InterestPaidNet`	$25.95M	USD	3 Qtrs
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$57.42M	USD	3 Qtrs
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$57.42M	USD	3 Qtrs
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$51.44M	USD	3 Qtrs
Accrued payables for investments in utility plant	`CapitalExpendituresIncurredButNotYetPaid`	$51.44M	USD	3 Qtrs
Utility plant contribution by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$19.98M	USD	3 Qtrs
Utility plant contribution by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$19.98M	USD	3 Qtrs
Utility plant contribution by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$22.01M	USD	3 Qtrs
Utility plant contribution by developers	`NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1`	$22.01M	USD	3 Qtrs

Comprehensive Income 56 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$34.33M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$60.55M	USD	1 Quarter
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$21.44M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Net income	`ProfitLoss`	$170.62M	USD	3 Qtrs
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$3.82M	USD	1 Quarter
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$3.82M	USD	1 Quarter
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-9.84M	USD	3 Qtrs
Unrecoverable pension benefit plan costs, net of taxes of $3,823, $0, $3,823 and $0, respectively	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-9.84M	USD	3 Qtrs
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	3 Qtrs
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	3 Qtrs
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	1 Quarter
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	-	USD	1 Quarter
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$48.00K	USD	1 Quarter
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$48.00K	USD	1 Quarter
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$643.00K	USD	3 Qtrs
Amortization of defined benefit pension plans, net of taxes of $250, $0, $250 and $0, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$643.00K	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.87M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.87M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	-	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-9.20M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-9.20M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$21.44M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$21.44M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$64.42M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$64.42M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$34.33M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$34.33M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$161.42M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$161.42M	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-345.00K	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-345.00K	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-113.00K	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-113.00K	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-527.00K	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-527.00K	USD	3 Qtrs
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-126.00K	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-126.00K	USD	1 Quarter
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$161.95M	USD	3 Qtrs
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$161.95M	USD	3 Qtrs
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$34.44M	USD	1 Quarter
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$34.44M	USD	1 Quarter
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$21.78M	USD	3 Qtrs
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$21.78M	USD	3 Qtrs
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$64.55M	USD	1 Quarter
Comprehensive income attributable to California Water Service Group	`ComprehensiveIncomeNetOfTax`	$64.55M	USD	1 Quarter

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