10-Q Filing

Northwest Natural Holding Co CIK: 1733998 Q3 2019

Filing Information

Form Type	10-Q
Accession Number	`0001733998-19-000044`
Period End Date	20190930
Filing Date	20191105
Fiscal Year	2019
Fiscal Period	Q3
XBRL Instance	a2019q3form10-qdocument_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 167 Income Statement 108 Cash Flow Statement 90 Stockholders Equity 29 Comprehensive Income 4

Balance Sheet 167 line items

Line Item	Tag	Value	Unit	Period
Shares outstanding (in shares)	`CommonStockSharesOutstanding`	30.43M	shares	Point-in-time
Shares outstanding (in shares)	`CommonStockSharesOutstanding`	28.84M	shares	Point-in-time
Shares outstanding (in shares)	`CommonStockSharesOutstanding`	28.88M	shares	Point-in-time
Shares Authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Shares Authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Shares Authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Shares issued (in shares)	`CommonStockSharesIssued`	30.43M	shares	Point-in-time
Shares issued (in shares)	`CommonStockSharesIssued`	28.88M	shares	Point-in-time
Shares issued (in shares)	`CommonStockSharesIssued`	28.84M	shares	Point-in-time
Par Value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Par Value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Par Value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$29.96M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$10.52M	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$29.62M	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$66.97M	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$25.12M	USD	Point-in-time
Accrued unbilled revenue	`UnbilledReceivablesCurrent`	$16.35M	USD	Point-in-time
Accrued unbilled revenue	`UnbilledReceivablesCurrent`	$57.83M	USD	Point-in-time
Accrued unbilled revenue	`UnbilledReceivablesCurrent`	$17.93M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$180.00K	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$977.00K	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$394.00K	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$41.24M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$41.93M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$48.00M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsCurrent`	$9.00M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsCurrent`	$2.87M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsCurrent`	$5.99M	USD	Point-in-time
Inventories	`PublicUtilitiesInventory`	$44.15M	USD	Point-in-time
Inventories	`PublicUtilitiesInventory`	$41.23M	USD	Point-in-time
Inventories	`PublicUtilitiesInventory`	$53.06M	USD	Point-in-time
Gas reserves	`DeferredGasCost`	$16.65M	USD	Point-in-time
Gas reserves	`DeferredGasCost`	$16.92M	USD	Point-in-time
Gas reserves	`DeferredGasCost`	$16.39M	USD	Point-in-time
Income Taxes Receivable, Current	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income Taxes Receivable, Current	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income Taxes Receivable, Current	`IncomeTaxesReceivable`	$6.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$20.38M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$28.47M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$18.62M	USD	Point-in-time
Discontinued operations - current assets	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$13.27M	USD	Point-in-time
Discontinued operations - current assets	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$14.61M	USD	Point-in-time
Discontinued operations - current assets	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$12.64M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$202.73M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$218.16M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$295.92M	USD	Point-in-time
Property, plant, and equipment	`PropertyPlantAndEquipmentGross`	$3.42B	USD	Point-in-time
Property, plant, and equipment	`PropertyPlantAndEquipmentGross`	$3.41B	USD	Point-in-time
Property, plant, and equipment	`PropertyPlantAndEquipmentGross`	$3.37B	USD	Point-in-time
Less: Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$996.99M	USD	Point-in-time
Less: Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$993.12M	USD	Point-in-time
Less: Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.03B	USD	Point-in-time
Property, Plant and Equipment, Net	`PropertyPlantAndEquipmentNet`	$2.39B	USD	Point-in-time
Property, Plant and Equipment, Net	`PropertyPlantAndEquipmentNet`	$2.42B	USD	Point-in-time
Property, Plant and Equipment, Net	`PropertyPlantAndEquipmentNet`	$2.37B	USD	Point-in-time
Gas reserves	`InventoryGasInStorageUndergroundNoncurrent`	$70.56M	USD	Point-in-time
Gas reserves	`InventoryGasInStorageUndergroundNoncurrent`	$51.98M	USD	Point-in-time
Gas reserves	`InventoryGasInStorageUndergroundNoncurrent`	$66.20M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$333.92M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$313.89M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$371.79M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsNoncurrent`	$861.00K	USD	Point-in-time
Derivative instruments	`DerivativeAssetsNoncurrent`	$725.00K	USD	Point-in-time
Derivative instruments	`DerivativeAssetsNoncurrent`	$1.61M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$65.11M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$63.02M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$63.56M	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	-	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	$3.92M	USD	Point-in-time
Operating lease right of use asset	`OperatingLeaseRightOfUseAsset`	-	USD	Point-in-time
Assets under sales-type leases	`CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent`	-	USD	Point-in-time
Assets under sales-type leases	`CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent`	$147.92M	USD	Point-in-time
Assets under sales-type leases	`CapitalLeasesLessorBalanceSheetNetInvestmentInDirectFinancingAndSalesTypeLeasesNoncurrent`	-	USD	Point-in-time
Goodwill	`Goodwill`	$49.33M	USD	Point-in-time
Goodwill	`Goodwill`	$6.56M	USD	Point-in-time
Goodwill	`Goodwill`	$8.95M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$27.84M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$14.15M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$12.84M	USD	Point-in-time
Total non-current assets	`AssetsNoncurrent`	$3.05B	USD	Point-in-time
Total non-current assets	`AssetsNoncurrent`	$2.86B	USD	Point-in-time
Total non-current assets	`AssetsNoncurrent`	$2.95B	USD	Point-in-time
Total assets	`Assets`	$3.25B	USD	Point-in-time
Total assets	`Assets`	$3.24B	USD	Point-in-time
Total assets	`Assets`	$3.08B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$65.58M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$217.62M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$100.50M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$29.99M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$84.94M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$94.67M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$115.88M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$76.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$80.14M	USD	Point-in-time
Taxes accrued	`AccruedIncomeTaxesCurrent`	$11.02M	USD	Point-in-time
Taxes accrued	`AccruedIncomeTaxesCurrent`	$13.38M	USD	Point-in-time
Taxes accrued	`AccruedIncomeTaxesCurrent`	$13.07M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$7.31M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$9.45M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$10.41M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$37.50M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$47.44M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$37.57M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesCurrent`	$12.38M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesCurrent`	$8.83M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesCurrent`	$4.16M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	-	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	-	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$3.17M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$54.49M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$35.50M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$39.87M	USD	Point-in-time
Discontinued operations current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$13.00M	USD	Point-in-time
Discontinued operations current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$13.40M	USD	Point-in-time
Discontinued operations current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$12.96M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$358.41M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$382.94M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$509.08M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$724.65M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$706.25M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$806.01M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$284.62M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$274.31M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$280.46M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$615.81M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$611.56M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$606.17M	USD	Point-in-time
Pension and other postretirement benefit liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$221.89M	USD	Point-in-time
Pension and other postretirement benefit liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$215.01M	USD	Point-in-time
Pension and other postretirement benefit liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$212.25M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.02M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.02M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	-	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$732.00K	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	-	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$147.76M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$123.35M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$140.47M	USD	Point-in-time
Discontinued operations non-current liabilities	`AssetsOfDisposalGroupIncludingDiscontinuedOperation`	$12.60M	USD	Point-in-time
Total deferred credits and other non-current liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.24B	USD	Point-in-time
Total deferred credits and other non-current liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.26B	USD	Point-in-time
Total deferred credits and other non-current liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.24B	USD	Point-in-time
Commitments and contingencies (see Note 16 and Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 16 and Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 16 and Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$457.64M	USD	Point-in-time
Common stock	`CommonStockValue`	$556.62M	USD	Point-in-time
Common stock	`CommonStockValue`	$455.50M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$296.26M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$290.06M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$312.18M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.19M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.13M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.44M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.98M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.21M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.32M	USD	Point-in-time
Total equity	`StockholdersEquity`	$844.67M	USD	Point-in-time
Total equity	`StockholdersEquity`	$737.58M	USD	Point-in-time
Total equity	`StockholdersEquity`	$762.63M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$3.24B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$3.25B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$3.08B	USD	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Operating revenues	`Revenues`	$90.32M	USD	1 Quarter
Operating revenues	`Revenues`	$479.44M	USD	3 Qtrs
Operating revenues	`Revenues`	$91.24M	USD	1 Quarter
Operating revenues	`Revenues`	$499.11M	USD	3 Qtrs
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$22.60M	USD	1 Quarter
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$175.70M	USD	3 Qtrs
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$163.17M	USD	3 Qtrs
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$25.54M	USD	1 Quarter
Operations and maintenance	`OperatingCostsAndExpenses`	$131.85M	USD	3 Qtrs
Operations and maintenance	`OperatingCostsAndExpenses`	$37.57M	USD	1 Quarter
Operations and maintenance	`OperatingCostsAndExpenses`	$115.12M	USD	3 Qtrs
Operations and maintenance	`OperatingCostsAndExpenses`	$40.89M	USD	1 Quarter
Environmental remediation	`EnvironmentalRemediationExpense`	$967.00K	USD	1 Quarter
Environmental remediation	`EnvironmentalRemediationExpense`	$7.26M	USD	3 Qtrs
Environmental remediation	`EnvironmentalRemediationExpense`	$7.53M	USD	3 Qtrs
Environmental remediation	`EnvironmentalRemediationExpense`	$1.02M	USD	1 Quarter
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$24.90M	USD	3 Qtrs
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$7.99M	USD	1 Quarter
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$24.79M	USD	3 Qtrs
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$7.59M	USD	1 Quarter
Revenue taxes	`ExciseAndSalesTaxes`	$20.73M	USD	3 Qtrs
Revenue taxes	`ExciseAndSalesTaxes`	$19.96M	USD	3 Qtrs
Revenue taxes	`ExciseAndSalesTaxes`	$3.52M	USD	1 Quarter
Revenue taxes	`ExciseAndSalesTaxes`	$3.53M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$21.48M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$23.38M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$63.51M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$67.33M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$625.00K	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$593.00K	USD	1 Quarter
Other operating expenses	`OtherCostAndExpenseOperating`	$2.13M	USD	3 Qtrs
Other operating expenses	`OtherCostAndExpenseOperating`	$2.16M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$99.95M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$97.35M	USD	1 Quarter
Total operating expenses	`OperatingExpenses`	$409.53M	USD	3 Qtrs
Total operating expenses	`OperatingExpenses`	$416.60M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$82.51M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$69.91M	USD	3 Qtrs
Income from operations	`OperatingIncomeLoss`	$-6.11M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$-9.63M	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-2.27M	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-312.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-18.78M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-1.14M	USD	3 Qtrs
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-10.95M	USD	1 Quarter
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-9.01M	USD	1 Quarter
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-31.81M	USD	3 Qtrs
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-27.05M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-22.85M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$41.72M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$31.92M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-15.43M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$11.19M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$-4.34M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$4.96M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$-4.29M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$-18.51M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$30.53M	USD	3 Qtrs
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$-11.14M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$26.96M	USD	3 Qtrs
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-1.78M	USD	3 Qtrs
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-795.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-650.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-1.97M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$28.75M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$-19.30M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$25.00M	USD	3 Qtrs
Net income (loss)	`NetIncomeLoss`	$-11.79M	USD	1 Quarter
Amortization of non-qualified employee benefit plan liability, net of taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$114.00K	USD	1 Quarter
Amortization of non-qualified employee benefit plan liability, net of taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$461.00K	USD	3 Qtrs
Amortization of non-qualified employee benefit plan liability, net of taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$154.00K	USD	1 Quarter
Amortization of non-qualified employee benefit plan liability, net of taxes	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$344.00K	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-19.19M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$25.34M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$29.21M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-11.64M	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.82M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.79M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	30.43M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	29.56M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.85M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	30.43M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	29.63M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.82M	shares	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.06	USD	3 Qtrs
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.91	USD	3 Qtrs
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.39	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.61	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.06	USD	3 Qtrs
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.91	USD	3 Qtrs
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.39	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.61	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.07	USD	3 Qtrs
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.06	USD	3 Qtrs
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.07	USD	3 Qtrs
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.06	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.84	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.00	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.41	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.63	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.63	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.84	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.41	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.00	USD	3 Qtrs

Cash Flow Statement 90 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$28.75M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$-19.30M	USD	1 Quarter
Net income	`NetIncomeLoss`	$25.00M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$-11.79M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$21.48M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$23.38M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$63.51M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$67.33M	USD	3 Qtrs
Regulatory amortization of gas reserves	`AmortizationOfRegulatoryAsset`	$12.06M	USD	3 Qtrs
Regulatory amortization of gas reserves	`AmortizationOfRegulatoryAsset`	$14.47M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$3.95M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$2.47M	USD	3 Qtrs
Qualified defined benefit pension plan expense	`PensionExpense`	$10.46M	USD	3 Qtrs
Qualified defined benefit pension plan expense	`PensionExpense`	$4.45M	USD	3 Qtrs
Contributions to qualified defined benefit pension plans	`PensionContributions`	$11.69M	USD	3 Qtrs
Contributions to qualified defined benefit pension plans	`PensionContributions`	$7.81M	USD	3 Qtrs
Deferred environmental expenditures, net	`OtherIncreaseDecreaseInEnvironmentalLiabilities`	$-10.99M	USD	3 Qtrs
Deferred environmental expenditures, net	`OtherIncreaseDecreaseInEnvironmentalLiabilities`	$-10.55M	USD	3 Qtrs
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$967.00K	USD	1 Quarter
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$7.26M	USD	3 Qtrs
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$7.53M	USD	3 Qtrs
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$1.02M	USD	1 Quarter
Regulatory revenue recovery deferral from the TCJA	`IncreaseDecreaseInRegulatoryLiabilities`	$742.00K	USD	3 Qtrs
Regulatory revenue recovery deferral from the TCJA	`IncreaseDecreaseInRegulatoryLiabilities`	$6.98M	USD	3 Qtrs
Regulatory disallowance of pension costs	`PensionExpenseReversalOfExpenseNoncash`	$10.50M	USD	3 Qtrs
Regulatory disallowance of pension costs	`PensionExpenseReversalOfExpenseNoncash`	-	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-9.06M	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-1.54M	USD	3 Qtrs
Receivables, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-83.19M	USD	3 Qtrs
Receivables, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-80.20M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$5.13M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$3.29M	USD	3 Qtrs
Income and other taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$21.51M	USD	3 Qtrs
Income and other taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-5.81M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-31.77M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-22.93M	USD	3 Qtrs
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$3.10M	USD	3 Qtrs
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$2.68M	USD	3 Qtrs
Deferred gas costs	`IncreaseDecreaseInDeferredGasCost`	$47.09M	USD	3 Qtrs
Deferred gas costs	`IncreaseDecreaseInDeferredGasCost`	$-2.37M	USD	3 Qtrs
Decoupling mechanism	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-2.92M	USD	3 Qtrs
Decoupling mechanism	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-11.10M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.50M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$6.71M	USD	3 Qtrs
Discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$1.22M	USD	3 Qtrs
Discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-255.00K	USD	3 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$158.53M	USD	3 Qtrs
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$155.29M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$158.79M	USD	3 Qtrs
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$152.99M	USD	3 Qtrs
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$-136.00K	USD	3 Qtrs
Acquisitions, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$56.19M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$1.80M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$15.46M	USD	3 Qtrs
Discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-648.00K	USD	3 Qtrs
Discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-619.00K	USD	3 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-161.07M	USD	3 Qtrs
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-225.29M	USD	3 Qtrs
Proceeds from stock options exercised	`ProceedsFromStockOptionsExercised`	$1.72M	USD	3 Qtrs
Proceeds from stock options exercised	`ProceedsFromStockOptionsExercised`	$1.37M	USD	3 Qtrs
Proceeds from common stock issued	`ProceedsFromIssuanceOfCommonStock`	$93.18M	USD	3 Qtrs
Proceeds from common stock issued	`ProceedsFromIssuanceOfCommonStock`	-	USD	3 Qtrs
Long-term debt issued	`ProceedsFromIssuanceOfLongTermDebt`	$50.00M	USD	3 Qtrs
Long-term debt issued	`ProceedsFromIssuanceOfLongTermDebt`	$175.00M	USD	3 Qtrs
Long-term debt retired	`RepaymentsOfLongTermDebt`	$22.00M	USD	3 Qtrs
Long-term debt retired	`RepaymentsOfLongTermDebt`	$10.00M	USD	3 Qtrs
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-152.04M	USD	3 Qtrs
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$46.30M	USD	3 Qtrs
Cash dividend payments on common stock	`PaymentsOfDividendsCommonStock`	$39.60M	USD	3 Qtrs
Cash dividend payments on common stock	`PaymentsOfDividendsCommonStock`	$38.39M	USD	3 Qtrs
Payments for the Repurchase of Common Stock Related to Acquisitions	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitions`	$7.95M	USD	3 Qtrs
Payments for the Repurchase of Common Stock Related to Acquisitions	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitions`	-	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-372.00K	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-291.00K	USD	3 Qtrs
Net Cash Provided by (Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$67.89M	USD	3 Qtrs
Net Cash Provided by (Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$29.04M	USD	3 Qtrs
Increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$26.49M	USD	3 Qtrs
Increase in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-2.11M	USD	3 Qtrs
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$29.96M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$10.52M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$29.96M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$10.52M	USD	Point-in-time
Interest paid, net of capitalization	`InterestPaidNet`	$22.82M	USD	3 Qtrs
Interest paid, net of capitalization	`InterestPaidNet`	$27.74M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$22.05M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-6.10M	USD	3 Qtrs

Stockholders Equity 29 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$762.63M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$737.58M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$742.78M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$876.75M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$759.53M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$844.67M	USD	Point-in-time
Net income	`NetIncomeLoss`	$28.75M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$-19.30M	USD	1 Quarter
Net income	`NetIncomeLoss`	$25.00M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$-11.79M	USD	1 Quarter
Stranded Deferred Tax Remeasurement Benefit	`StrandedDeferredTaxRemeasurementBenefit`	-	USD	3 Qtrs
Stranded Deferred Tax Remeasurement Benefit	`StrandedDeferredTaxRemeasurementBenefit`	-	USD	1 Quarter
Stranded Deferred Tax Remeasurement Benefit	`StrandedDeferredTaxRemeasurementBenefit`	$1.37M	USD	3 Qtrs
Stranded Deferred Tax Remeasurement Benefit	`StrandedDeferredTaxRemeasurementBenefit`	-	USD	1 Quarter
Other comprehensive income	`ComprehensiveIncomeNetOfTax`	$-19.19M	USD	1 Quarter
Other comprehensive income	`ComprehensiveIncomeNetOfTax`	$25.34M	USD	3 Qtrs
Other comprehensive income	`ComprehensiveIncomeNetOfTax`	$29.21M	USD	3 Qtrs
Other comprehensive income	`ComprehensiveIncomeNetOfTax`	$-11.64M	USD	1 Quarter
Stock Issued During Period, Value, New Issues	`StockIssuedDuringPeriodValueNewIssues`	$93.00M	USD	3 Qtrs
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$762.63M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$737.58M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$742.78M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$876.75M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$759.53M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$844.67M	USD	Point-in-time
Dividends per share of common stock	`CommonStockDividendsPerShareCashPaid`	$1.42	USD	3 Qtrs
Dividends per share of common stock	`CommonStockDividendsPerShareCashPaid`	$0.47	USD	1 Quarter
Dividends per share of common stock	`CommonStockDividendsPerShareCashPaid`	$1.43	USD	3 Qtrs
Dividends per share of common stock	`CommonStockDividendsPerShareCashPaid`	$0.47	USD	1 Quarter

Comprehensive Income 4 line items

Line Item	Tag	Value	Unit	Period
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$125.00K	USD	3 Qtrs
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$43.00K	USD	1 Quarter
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$55.00K	USD	1 Quarter
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$166.00K	USD	3 Qtrs

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