10-K Filing

CALIFORNIA WATER SERVICE GROUP CIK: 1035201 FY 2019

Filing Information

Form Type	10-K
Accession Number	`0001035201-20-000002`
Period End Date	20191231
Filing Date	20200227
Fiscal Year	2019
Fiscal Period	FY
XBRL Instance	cwt-12312019x10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 96 Income Statement 113 Cash Flow Statement 130 Stockholders Equity 39

Balance Sheet 96 line items

Line Item	Tag	Value	Unit	Period
Receivables: allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$771.00K	USD	Point-in-time
Receivables: allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$757.00K	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
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$45.05M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	68.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	68.00M	shares	Point-in-time
Land	`PublicUtilitiesPropertyPlantAndEquipmentLand`	$44.02M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	48.53M	shares	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$3.24B	USD	Point-in-time
Depreciable plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentEquipment`	$2.95B	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	48.06M	shares	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$245.17M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$210.26M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$24.85M	USD	Point-in-time
Intangible assets	`PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment`	$24.74M	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$3.23B	USD	Point-in-time
Total utility plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$3.55B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.14B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$996.72M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$2.23B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$2.41B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$42.65M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$47.18M	USD	Point-in-time
Customers	`AccountsReceivableNetCurrent`	$32.06M	USD	Point-in-time
Customers	`AccountsReceivableNetCurrent`	$30.04M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$38.23M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryAssetsCurrent`	$42.39M	USD	Point-in-time
Other	`NontradeReceivablesCurrent`	$17.10M	USD	Point-in-time
Other	`NontradeReceivablesCurrent`	$14.19M	USD	Point-in-time
Unbilled revenue	`ReceivablesLongTermContractsOrPrograms`	$33.43M	USD	Point-in-time
Unbilled revenue	`ReceivablesLongTermContractsOrPrograms`	$34.88M	USD	Point-in-time
Materials and supplies at weighted average cost	`PublicUtilitiesInventory`	$6.59M	USD	Point-in-time
Materials and supplies at weighted average cost	`PublicUtilitiesInventory`	$7.75M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$14.96M	USD	Point-in-time
Taxes, prepaid expenses, and other assets	`TaxesPrepaidExpensesAndOtherAssetsCurrent`	$11.98M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$184.71M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$188.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$353.57M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$433.32M	USD	Point-in-time
Goodwill	`Goodwill`	$2.62M	USD	Point-in-time
Goodwill	`Goodwill`	$2.62M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$84.29M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$60.09M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$416.28M	USD	Point-in-time
Total other assets	`TotalOtherAssets`	$520.23M	USD	Point-in-time
TOTAL ASSETS	`Assets`	$2.84B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$3.11B	USD	Point-in-time
Common stock, $0.01 par value; 68,000 shares authorized, 48,532 and 48,065 outstanding in 2019 and 2018, respectively	`CommonStockValue`	$485.00K	USD	Point-in-time
Common stock, $0.01 par value; 68,000 shares authorized, 48,532 and 48,065 outstanding in 2019 and 2018, respectively	`CommonStockValue`	$481.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$362.27M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$337.62M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$392.05M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$417.15M	USD	Point-in-time
Total common stockholders' equity	`StockholdersEquity`	$730.16M	USD	Point-in-time
Total common stockholders' equity	`StockholdersEquity`	$779.91M	USD	Point-in-time
Total common stockholders' equity	`StockholdersEquity`	$699.22M	USD	Point-in-time
Total common stockholders' equity	`StockholdersEquity`	$659.47M	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$786.75M	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$710.03M	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$1.44B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$1.57B	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$21.87M	USD	Point-in-time
Current maturities of long-term debt, net	`LongTermDebtCurrent`	$104.91M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$175.10M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$65.10M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$95.58M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$108.46M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$4.46M	USD	Point-in-time
Regulatory balancing accounts	`RegulatoryLiabilityCurrent`	$12.21M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$4.45M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$4.18M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.67M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$5.81M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$38.57M	USD	Point-in-time
Other accrued liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$33.51M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$321.17M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$358.72M	USD	Point-in-time
Unamortized investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$1.57M	USD	Point-in-time
Unamortized investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$1.65M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$213.03M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$222.59M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$211.41M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$211.28M	USD	Point-in-time
Pension and postretirement benefits other than pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$193.54M	USD	Point-in-time
Pension and postretirement benefits other than pensions	`OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent`	$258.91M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$191.06M	USD	Point-in-time
Advances for construction	`ContractWithCustomerRefundLiabilityNoncurrent`	$186.34M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$225.27M	USD	Point-in-time
Contributions in aid of construction	`ContributionsInAidOfConstruction`	$241.54M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$45.25M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$58.84M	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$3.11B	USD	Point-in-time
TOTAL CAPITALIZATION AND LIABILITIES	`LiabilitiesAndStockholdersEquity`	$2.84B	USD	Point-in-time

Income Statement 113 line items

Line Item	Tag	Value	Unit	Period
Operating revenue	`RegulatedOperatingRevenueWater`	$134.55M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$698.20M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$221.29M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$179.03M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$232.54M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$167.42M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$714.56M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$676.11M	USD	Annual
Operating revenue	`RegulatedOperatingRevenueWater`	$174.94M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$176.88M	USD	1 Quarter
Operating revenue	`RegulatedOperatingRevenueWater`	$126.11M	USD	1 Quarter
Purchased water	`CostOfPurchasedWater`	$199.08M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$207.10M	USD	Annual
Purchased water	`CostOfPurchasedWater`	$212.46M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$31.36M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$31.08M	USD	Annual
Purchased power	`UtilitiesOperatingExpensePurchasedPower`	$28.86M	USD	Annual
Pump taxes	`PumpTaxes`	$11.52M	USD	Annual
Pump taxes	`PumpTaxes`	$14.66M	USD	Annual
Pump taxes	`PumpTaxes`	$13.92M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$93.33M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$108.62M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$100.78M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$90.06M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$74.45M	USD	Annual
Other operations	`UtilitiesOperatingExpenseOther`	$79.87M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$24.49M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$26.83M	USD	Annual
Maintenance	`UtilitiesOperatingExpenseMaintenance`	$22.53M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$76.78M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$89.22M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$83.78M	USD	Annual
Income taxes	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$18.59M	USD	Annual
Income taxes	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$35.28M	USD	Annual
Income taxes	`UtilitiesOperatingExpenseIncomeTaxExpenseBenefit`	$16.28M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$28.79M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$24.80M	USD	Annual
Property and other taxes	`UtilitiesOperatingExpenseTaxes`	$27.30M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$569.03M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$615.14M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$587.66M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$26.54M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$27.01M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$99.41M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$51.57M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$26.84M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$9.84M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$20.36M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$107.08M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$47.33M	USD	1 Quarter
Net operating income	`OperatingIncomeLoss`	$110.54M	USD	Annual
Net operating income	`OperatingIncomeLoss`	$476.00K	USD	1 Quarter
Non-regulated revenue	`UnregulatedOperatingRevenue`	$19.20M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$15.90M	USD	Annual
Non-regulated revenue	`UnregulatedOperatingRevenue`	$18.27M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$22.79M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$9.39M	USD	Annual
Non-regulated expenses	`OtherNonoperatingExpense`	$13.87M	USD	Annual
Other components of net periodic benefit cost	`DefinedBenefitPlanOtherCosts`	$5.73M	USD	Annual
Other components of net periodic benefit cost	`DefinedBenefitPlanOtherCosts`	$9.59M	USD	Annual
Other components of net periodic benefit cost	`DefinedBenefitPlanOtherCosts`	$9.31M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.75M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.68M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.95M	USD	Annual
Gain on sale of non-utility property	`GainLossOnDispositionOfAssets`	$663.00K	USD	Annual
Gain on sale of non-utility property	`GainLossOnDispositionOfAssets`	$28.00K	USD	Annual
Gain on sale of non-utility property	`GainLossOnDispositionOfAssets`	$50.00K	USD	Annual
Income tax (expense) benefit on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.55M	USD	Annual
Income tax (expense) benefit on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$1.39M	USD	Annual
Income tax (expense) benefit on other income and expenses	`UtilitiesNonregulatedExpenseIncomeTaxExpenseBenefit`	$-2.72M	USD	Annual
Net other income (loss)	`OtherNonoperatingIncomeExpense`	$4.92M	USD	Annual
Net other income (loss)	`OtherNonoperatingIncomeExpense`	$-7.10M	USD	Annual
Net other income (loss)	`OtherNonoperatingIncomeExpense`	$-215.00K	USD	Annual
Interest expense	`InterestExpenseDebt`	$36.29M	USD	Annual
Interest expense	`InterestExpenseDebt`	$44.89M	USD	Annual
Interest expense	`InterestExpenseDebt`	$39.92M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.06M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$2.36M	USD	Annual
Allowance for borrowed funds used during construction	`InterestCostsCapitalizedAdjustment`	$3.67M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$33.93M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$41.22M	USD	Annual
Net interest expense	`InterestCostsIncurred`	$37.85M	USD	Annual
Net income	`NetIncomeLoss`	$17.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$11.34M	USD	1 Quarter
Net income	`NetIncomeLoss`	$42.42M	USD	1 Quarter
Net income	`NetIncomeLoss`	$14.80M	USD	1 Quarter
Net income	`NetIncomeLoss`	$-762.00K	USD	1 Quarter
Net income	`NetIncomeLoss`	$65.58M	USD	Annual
Net income	`NetIncomeLoss`	$36.17M	USD	1 Quarter
Net income	`NetIncomeLoss`	$63.12M	USD	Annual
Net income	`NetIncomeLoss`	$-7.64M	USD	1 Quarter
Net income	`NetIncomeLoss`	$15.37M	USD	1 Quarter
Net income	`NetIncomeLoss`	$72.94M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.31	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.52	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.36	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.36	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.88	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.31	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.35	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.24	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.75	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.16	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.52	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.32	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.31	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	48.06M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	48.01M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	48.17M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	48.01M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	48.17M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	48.06M	shares	Annual

Cash Flow Statement 130 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$17.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$11.34M	USD	1 Quarter
Net income	`NetIncomeLoss`	$42.42M	USD	1 Quarter
Net income	`NetIncomeLoss`	$14.80M	USD	1 Quarter
Net income	`NetIncomeLoss`	$-762.00K	USD	1 Quarter
Net income	`NetIncomeLoss`	$65.58M	USD	Annual
Net income	`NetIncomeLoss`	$36.17M	USD	1 Quarter
Net income	`NetIncomeLoss`	$63.12M	USD	Annual
Net income	`NetIncomeLoss`	$-7.64M	USD	1 Quarter
Net income	`NetIncomeLoss`	$15.37M	USD	1 Quarter
Net income	`NetIncomeLoss`	$72.94M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$85.71M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$91.29M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$78.59M	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$1.10M	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$920.00K	USD	Annual
Amortization of debt premium and expenses	`AmortizationOfDebtDiscountPremium`	$744.00K	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-20.91M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-21.09M	USD	Annual
Changes in normalized deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-15.35M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$5.10M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$-2.33M	USD	Annual
Change in value of life insurance contracts	`LifeInsuranceCorporateOrBankOwnedChangeInValue`	$3.06M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.75M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$6.68M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions`	$3.95M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$6.73M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.14M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$3.12M	USD	Annual
Gain on sale of non-utility properties	`GainLossOnDispositionOfAssets`	$663.00K	USD	Annual
Gain on sale of non-utility properties	`GainLossOnDispositionOfAssets`	$28.00K	USD	Annual
Gain on sale of non-utility properties	`GainLossOnDispositionOfAssets`	$50.00K	USD	Annual
Write-off of capital costs	`NoncashProjectAbandonmentCosts`	$410.00K	USD	Annual
Write-off of capital costs	`NoncashProjectAbandonmentCosts`	$698.00K	USD	Annual
Write-off of capital costs	`NoncashProjectAbandonmentCosts`	$1.29M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$4.58M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$31.87M	USD	Annual
Receivables	`IncreaseDecreaseInReceivables`	$-20.42M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$1.45M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$3.67M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$4.53M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$587.00K	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$3.54M	USD	Annual
Taxes, prepaid expenses, and other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$3.72M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.56M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$10.72M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$4.70M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$1.28M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$2.16M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-4.38M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-264.00K	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$-13.75M	USD	Annual
Other changes in noncurrent assets and liabilities	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$12.64M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$147.84M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$168.79M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$179.02M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$271.71M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$273.77M	USD	Annual
Utility plant expenditures	`PaymentsToAcquireWaterAndWasteWaterSystems`	$259.19M	USD	Annual
Proceeds from sale of non-utility assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$666.00K	USD	Annual
Proceeds from sale of non-utility assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$59.00K	USD	Annual
Proceeds from sale of non-utility assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$28.00K	USD	Annual
TCP settlement proceeds	`ProceedsFromLegalSettlements`	-	USD	Annual
TCP settlement proceeds	`ProceedsFromLegalSettlements`	$56.00M	USD	Annual
TCP settlement proceeds	`ProceedsFromLegalSettlements`	-	USD	Annual
Life insurance benefits	`ProceedsFromLifeInsurancePolicies`	$1.56M	USD	Annual
Life insurance benefits	`ProceedsFromLifeInsurancePolicies`	-	USD	Annual
Life insurance benefits	`ProceedsFromLifeInsurancePolicies`	$3.49M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$2.22M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$4.92M	USD	Annual
Purchase of life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$5.61M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-275.96M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-273.08M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-206.57M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$260.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$151.00M	USD	Annual
Short-term borrowings	`ProceedsFromShortTermDebt`	$265.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$87.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$361.00M	USD	Annual
Repayment of short-term borrowings	`RepaymentsOfShortTermDebt`	$150.00M	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $1,796 for 2019, $617 for 2018, $0 for 2017	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $1,796 for 2019, $617 for 2018, $0 for 2017	`ProceedsFromIssuanceOfLongTermDebt`	$398.20M	USD	Annual
Issuance of long-term debt, net of debt issuance costs of $1,796 for 2019, $617 for 2018, $0 for 2017	`ProceedsFromIssuanceOfLongTermDebt`	$299.38M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$27.77M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$18.61M	USD	Annual
Advances and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$21.37M	USD	Annual
Refunds of advances for construction	`RepaymentsOfAdvancesForConstruction`	$7.57M	USD	Annual
Refunds of advances for construction	`RepaymentsOfAdvancesForConstruction`	$7.30M	USD	Annual
Refunds of advances for construction	`RepaymentsOfAdvancesForConstruction`	$8.38M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$26.83M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$405.57M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$16.53M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.50M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$2.50M	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$1.65M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$20.42M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$38.02M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$36.04M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$34.56M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$128.09M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$46.48M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$102.75M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$69.36M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-47.59M	USD	Annual
Change in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-4.42M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.30M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.93M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.30M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.72M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.30M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.93M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$95.30M	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.72M	USD	Point-in-time
Interest (net of amounts capitalized)	`InterestPaidNet`	$32.22M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$40.98M	USD	Annual
Interest (net of amounts capitalized)	`InterestPaidNet`	$35.94M	USD	Annual
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	$1.70M	USD	Annual
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Income tax refunds	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Accrued payables for investments in utility plant	`NoncashOrPartNoncashAcquisitionPayablesAssumed1`	$38.81M	USD	Annual
Accrued payables for investments in utility plant	`NoncashOrPartNoncashAcquisitionPayablesAssumed1`	$40.79M	USD	Annual
Accrued payables for investments in utility plant	`NoncashOrPartNoncashAcquisitionPayablesAssumed1`	$41.02M	USD	Annual
Utility plant contributed by developers	`UtilityPlantContributionByDevelopers`	$20.61M	USD	Annual
Utility plant contributed by developers	`UtilityPlantContributionByDevelopers`	$16.29M	USD	Annual
Utility plant contributed by developers	`UtilityPlantContributionByDevelopers`	$19.90M	USD	Annual
Litigation proceeds for TCP and MTBE contamination reclassified from liability to depreciable plant and equipment	`LitigationProceedsforMTBEContaminationReclassifiedfromOtherLongTermLiabilities`	$13.97M	USD	Annual
Litigation proceeds for TCP and MTBE contamination reclassified from liability to depreciable plant and equipment	`LitigationProceedsforMTBEContaminationReclassifiedfromOtherLongTermLiabilities`	$32.31M	USD	Annual
Litigation proceeds for TCP and MTBE contamination reclassified from liability to depreciable plant and equipment	`LitigationProceedsforMTBEContaminationReclassifiedfromOtherLongTermLiabilities`	$2.42M	USD	Annual

Stockholders Equity 39 line items

Line Item	Tag	Value	Unit	Period
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.19	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.20	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.20	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.19	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.79	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.72	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.75	USD	Annual
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.20	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.19	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.20	USD	1 Quarter
Dividends paid on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.19	USD	1 Quarter
Balance at the beginning of the period	`StockholdersEquity`	$730.16M	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquity`	$779.91M	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquity`	$699.22M	USD	Point-in-time
Balance at the beginning of the period	`StockholdersEquity`	$659.47M	USD	Point-in-time
Net income	`NetIncomeLoss`	$17.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$11.34M	USD	1 Quarter
Net income	`NetIncomeLoss`	$42.42M	USD	1 Quarter
Net income	`NetIncomeLoss`	$14.80M	USD	1 Quarter
Net income	`NetIncomeLoss`	$-762.00K	USD	1 Quarter
Net income	`NetIncomeLoss`	$65.58M	USD	Annual
Net income	`NetIncomeLoss`	$36.17M	USD	1 Quarter
Net income	`NetIncomeLoss`	$63.12M	USD	Annual
Net income	`NetIncomeLoss`	$-7.64M	USD	1 Quarter
Net income	`NetIncomeLoss`	$15.37M	USD	1 Quarter
Net income	`NetIncomeLoss`	$72.94M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$2.88M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$3.04M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$27.15M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.65M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$1.50M	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$2.50M	USD	Annual
Dividends paid on common stock	`DividendsCommonStock`	$38.02M	USD	Annual
Dividends paid on common stock	`DividendsCommonStock`	$34.56M	USD	Annual
Dividends paid on common stock	`DividendsCommonStock`	$36.04M	USD	Annual
Balance at the end of the period	`StockholdersEquity`	$730.16M	USD	Point-in-time
Balance at the end of the period	`StockholdersEquity`	$779.91M	USD	Point-in-time
Balance at the end of the period	`StockholdersEquity`	$699.22M	USD	Point-in-time
Balance at the end of the period	`StockholdersEquity`	$659.47M	USD	Point-in-time

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