10-K Filing

ONE Gas, Inc. CIK: 1587732 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001587732-25-000013`
Period End Date	20241231
Filing Date	20250220
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	ogs-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 202 Income Statement 102 Cash Flow Statement 246 Stockholders Equity 54 Comprehensive Income 42

Balance Sheet 202 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Par or Stated Value Per Share	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common Stock, Shares Authorized	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.12B	USD	Point-in-time
Property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.12B	USD	Point-in-time
Property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.47B	USD	Point-in-time
Property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.47B	USD	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Common Stock, Shares, Issued	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.33B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.33B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.48B	USD	Point-in-time
Accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.48B	USD	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	56.55M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	56.55M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	59.88M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	59.88M	shares	Point-in-time
Net property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.14B	USD	Point-in-time
Net property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.14B	USD	Point-in-time
Net property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.65B	USD	Point-in-time
Net property, plant and equipment	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.65B	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$18.84M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$18.84M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$57.99M	USD	Point-in-time
Cash and Cash Equivalents	`CashAndCashEquivalentsAtCarryingValue`	$57.99M	USD	Point-in-time
Restricted Cash and Cash Equivalents	`RestrictedCashAndCashEquivalents`	$20.55M	USD	Point-in-time
Restricted Cash and Cash Equivalents	`RestrictedCashAndCashEquivalents`	$20.55M	USD	Point-in-time
Restricted Cash and Cash Equivalents	`RestrictedCashAndCashEquivalents`	$20.54M	USD	Point-in-time
Restricted Cash and Cash Equivalents	`RestrictedCashAndCashEquivalents`	$20.54M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$347.86M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$347.86M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$408.45M	USD	Point-in-time
Accounts receivable, net	`ReceivablesNetCurrent`	$408.45M	USD	Point-in-time
Materials and supplies	`MaterialsSuppliesAndOther`	$77.65M	USD	Point-in-time
Materials and supplies	`MaterialsSuppliesAndOther`	$77.65M	USD	Point-in-time
Materials and supplies	`MaterialsSuppliesAndOther`	$91.66M	USD	Point-in-time
Materials and supplies	`MaterialsSuppliesAndOther`	$91.66M	USD	Point-in-time
Income Taxes Receivable	`IncomeTaxReceivable`	$53.62M	USD	Point-in-time
Income Taxes Receivable	`IncomeTaxReceivable`	$53.62M	USD	Point-in-time
Income Taxes Receivable	`IncomeTaxReceivable`	$3.95M	USD	Point-in-time
Income Taxes Receivable	`IncomeTaxReceivable`	$3.95M	USD	Point-in-time
Natural Gas in Storage	`EnergyRelatedInventoryNaturalGasInStorage`	$161.18M	USD	Point-in-time
Natural Gas in Storage	`EnergyRelatedInventoryNaturalGasInStorage`	$161.18M	USD	Point-in-time
Natural Gas in Storage	`EnergyRelatedInventoryNaturalGasInStorage`	$187.10M	USD	Point-in-time
Natural Gas in Storage	`EnergyRelatedInventoryNaturalGasInStorage`	$187.10M	USD	Point-in-time
Regulatory assets, Current	`RegulatoryAssetsCurrent`	$75.31M	USD	Point-in-time
Regulatory assets, Current	`RegulatoryAssetsCurrent`	$75.31M	USD	Point-in-time
Regulatory assets, Current	`RegulatoryAssetsCurrent`	$101.21M	USD	Point-in-time
Regulatory assets, Current	`RegulatoryAssetsCurrent`	$101.21M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$33.95M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$33.95M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$35.22M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$35.22M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$929.88M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$929.88M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$765.20M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$765.20M	USD	Point-in-time
Regulatory assets, Noncurrent	`RegulatoryAssetsNoncurrent`	$287.91M	USD	Point-in-time
Regulatory assets, Noncurrent	`RegulatoryAssetsNoncurrent`	$287.91M	USD	Point-in-time
Regulatory assets, Noncurrent	`RegulatoryAssetsNoncurrent`	$278.01M	USD	Point-in-time
Regulatory assets, Noncurrent	`RegulatoryAssetsNoncurrent`	$278.01M	USD	Point-in-time
Other Intangible Assets, Net	`OtherIntangibleAssetsNet`	$293.62M	USD	Point-in-time
Other Intangible Assets, Net	`OtherIntangibleAssetsNet`	$293.62M	USD	Point-in-time
Other Intangible Assets, Net	`OtherIntangibleAssetsNet`	$265.95M	USD	Point-in-time
Other Intangible Assets, Net	`OtherIntangibleAssetsNet`	$265.95M	USD	Point-in-time
Goodwill	`Goodwill`	$157.95M	USD	Point-in-time
Goodwill	`Goodwill`	$157.95M	USD	Point-in-time
Goodwill	`Goodwill`	$157.95M	USD	Point-in-time
Goodwill	`Goodwill`	$157.95M	USD	Point-in-time
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	`DefinedBenefitPlanAmountsRecognizedInBalanceSheet`	$36.48M	USD	Point-in-time
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	`DefinedBenefitPlanAmountsRecognizedInBalanceSheet`	$36.48M	USD	Point-in-time
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	`DefinedBenefitPlanAmountsRecognizedInBalanceSheet`	$42.88M	USD	Point-in-time
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	`DefinedBenefitPlanAmountsRecognizedInBalanceSheet`	$42.88M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$94.62M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$94.62M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$105.03M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$105.03M	USD	Point-in-time
Total goodwill and other assets	`InvestmentsAndOtherNoncurrentAssets`	$849.82M	USD	Point-in-time
Total goodwill and other assets	`InvestmentsAndOtherNoncurrentAssets`	$849.82M	USD	Point-in-time
Total goodwill and other assets	`InvestmentsAndOtherNoncurrentAssets`	$870.58M	USD	Point-in-time
Total goodwill and other assets	`InvestmentsAndOtherNoncurrentAssets`	$870.58M	USD	Point-in-time
Total assets	`Assets`	$8.43B	USD	Point-in-time
Total assets	`Assets`	$8.43B	USD	Point-in-time
Total assets	`Assets`	$7.77B	USD	Point-in-time
Total assets	`Assets`	$7.77B	USD	Point-in-time
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 59,876,861 shares at December 31, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	`CommonStockValue`	$565.00K	USD	Point-in-time
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 59,876,861 shares at December 31, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	`CommonStockValue`	$565.00K	USD	Point-in-time
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 59,876,861 shares at December 31, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	`CommonStockValue`	$599.00K	USD	Point-in-time
Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 59,876,861 shares at December 31, 2024; issued and outstanding 56,545,924 shares at December 31, 2023	`CommonStockValue`	$599.00K	USD	Point-in-time
Paid-in Capital	`AdditionalPaidInCapital`	$2.03B	USD	Point-in-time
Paid-in Capital	`AdditionalPaidInCapital`	$2.03B	USD	Point-in-time
Paid-in Capital	`AdditionalPaidInCapital`	$2.29B	USD	Point-in-time
Paid-in Capital	`AdditionalPaidInCapital`	$2.29B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$809.61M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$809.61M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$737.74M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$737.74M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-704.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-704.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-126.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-126.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.18M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.18M	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.58B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.58B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.77B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.77B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.35B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.35B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.10B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.10B	USD	Point-in-time
Other Long-Term Debt, Noncurrent	`OtherLongTermDebtNoncurrent`	$1.88B	USD	Point-in-time
Other Long-Term Debt, Noncurrent	`OtherLongTermDebtNoncurrent`	$1.88B	USD	Point-in-time
Other Long-Term Debt, Noncurrent	`OtherLongTermDebtNoncurrent`	$2.13B	USD	Point-in-time
Other Long-Term Debt, Noncurrent	`OtherLongTermDebtNoncurrent`	$2.13B	USD	Point-in-time
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	`SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts`	$253.57M	USD	Point-in-time
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	`SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts`	$253.57M	USD	Point-in-time
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	`SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts`	$282.51M	USD	Point-in-time
Securitized utility tariff bonds, excluding current maturities, net of issuance costs	`SecuritizedUtilityTariffBondsExcludingCurrentMaturitiesNetOfIssuanceCosts`	$282.51M	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities, Total	`LongTermDebtNoncurrent`	$2.39B	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities, Total	`LongTermDebtNoncurrent`	$2.39B	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities, Total	`LongTermDebtNoncurrent`	$2.16B	USD	Point-in-time
Long-Term Debt, Excluding Current Maturities, Total	`LongTermDebtNoncurrent`	$2.16B	USD	Point-in-time
Total equity and long-term debt	`CapitalizationLongtermDebtAndEquity`	$5.49B	USD	Point-in-time
Total equity and long-term debt	`CapitalizationLongtermDebtAndEquity`	$5.49B	USD	Point-in-time
Total equity and long-term debt	`CapitalizationLongtermDebtAndEquity`	$4.93B	USD	Point-in-time
Total equity and long-term debt	`CapitalizationLongtermDebtAndEquity`	$4.93B	USD	Point-in-time
Long-term Debt, Current Maturities	`LongTermDebtCurrent`	$772.98M	USD	Point-in-time
Long-term Debt, Current Maturities	`LongTermDebtCurrent`	$772.98M	USD	Point-in-time
Long-term Debt, Current Maturities	`LongTermDebtCurrent`	$14.00K	USD	Point-in-time
Long-term Debt, Current Maturities	`LongTermDebtCurrent`	$14.00K	USD	Point-in-time
Current maturities of securitized utility tariff bonds	`CurrentMaturitiesOfSecuritizedUtilityTariffBonds`	$27.43M	USD	Point-in-time
Current maturities of securitized utility tariff bonds	`CurrentMaturitiesOfSecuritizedUtilityTariffBonds`	$27.43M	USD	Point-in-time
Current maturities of securitized utility tariff bonds	`CurrentMaturitiesOfSecuritizedUtilityTariffBonds`	$28.96M	USD	Point-in-time
Current maturities of securitized utility tariff bonds	`CurrentMaturitiesOfSecuritizedUtilityTariffBonds`	$28.96M	USD	Point-in-time
Short-term debt	`CommercialPaper`	$914.60M	USD	Point-in-time
Short-term debt	`CommercialPaper`	$914.60M	USD	Point-in-time
Short-term debt	`CommercialPaper`	$88.50M	USD	Point-in-time
Short-term debt	`CommercialPaper`	$88.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$261.32M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$261.32M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$278.06M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$278.06M	USD	Point-in-time
Accrued taxes other than income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$68.79M	USD	Point-in-time
Accrued taxes other than income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$68.79M	USD	Point-in-time
Accrued taxes other than income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$75.61M	USD	Point-in-time
Accrued taxes other than income	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$75.61M	USD	Point-in-time
Regulatory Liability, Current	`RegulatoryLiabilityCurrent`	$66.90M	USD	Point-in-time
Regulatory Liability, Current	`RegulatoryLiabilityCurrent`	$66.90M	USD	Point-in-time
Regulatory Liability, Current	`RegulatoryLiabilityCurrent`	$22.52M	USD	Point-in-time
Regulatory Liability, Current	`RegulatoryLiabilityCurrent`	$22.52M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$56.24M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$56.24M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$62.19M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$62.19M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$112.37M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$112.37M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$99.01M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$99.01M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.46B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.46B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.48B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.48B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$891.74M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$891.74M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$752.07M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$752.07M	USD	Point-in-time
Regulatory Liability, Noncurrent	`RegulatoryLiabilityNoncurrent`	$500.48M	USD	Point-in-time
Regulatory Liability, Noncurrent	`RegulatoryLiabilityNoncurrent`	$500.48M	USD	Point-in-time
Regulatory Liability, Noncurrent	`RegulatoryLiabilityNoncurrent`	$467.56M	USD	Point-in-time
Regulatory Liability, Noncurrent	`RegulatoryLiabilityNoncurrent`	$467.56M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$118.16M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$118.16M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$114.95M	USD	Point-in-time
Other deferred credits	`OtherLiabilitiesNoncurrent`	$114.95M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.48B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.48B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.37B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.37B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$7.77B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$7.77B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$8.43B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$8.43B	USD	Point-in-time

Income Statement 102 line items

Line Item	Tag	Value	Unit	Period
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.58B	USD	Annual
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.58B	USD	Annual
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.37B	USD	Annual
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.37B	USD	Annual
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.08B	USD	Annual
Regulated Operating Revenue	`RegulatedOperatingRevenue`	$2.08B	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$1.46B	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$1.46B	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$778.33M	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$778.33M	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$1.13B	USD	Annual
Cost of natural gas	`CostOfGoodsAndServicesSold`	$1.13B	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$472.26M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$472.26M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$530.11M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$530.11M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$508.40M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$508.40M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$296.70M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$296.70M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$279.83M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$279.83M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$228.48M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$228.48M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$71.66M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$71.66M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$79.37M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$79.37M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$68.22M	USD	Annual
General taxes	`UtilitiesOperatingExpenseTaxes`	$68.22M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$768.96M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$768.96M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$906.18M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$906.18M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$859.89M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$859.89M	USD	Annual
Operating income	`OperatingIncomeLoss`	$399.04M	USD	Annual
Operating income	`OperatingIncomeLoss`	$399.04M	USD	Annual
Operating income	`OperatingIncomeLoss`	$349.96M	USD	Annual
Operating income	`OperatingIncomeLoss`	$349.96M	USD	Annual
Operating income	`OperatingIncomeLoss`	$377.59M	USD	Annual
Operating income	`OperatingIncomeLoss`	$377.59M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$7.43M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$7.43M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$9.48M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$9.48M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$-4.18M	USD	Annual
Other Nonoperating Income (Expense)	`OtherNonoperatingIncomeExpense`	$-4.18M	USD	Annual
Interest expense, net	`InterestExpense`	$77.51M	USD	Annual
Interest expense, net	`InterestExpense`	$77.51M	USD	Annual
Interest expense, net	`InterestExpense`	$147.24M	USD	Annual
Interest expense, net	`InterestExpense`	$147.24M	USD	Annual
Interest expense, net	`InterestExpense`	$115.34M	USD	Annual
Interest expense, net	`InterestExpense`	$115.34M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$268.27M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$268.27M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$271.73M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$271.73M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$259.24M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$259.24M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$46.53M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$46.53M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$36.39M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$36.39M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$40.49M	USD	Annual
Income taxes	`IncomeTaxExpenseBenefit`	$40.49M	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Basic	`EarningsPerShareBasic`	$4.09	USD	Annual
Basic	`EarningsPerShareBasic`	$4.09	USD	Annual
Basic	`EarningsPerShareBasic`	$4.16	USD	Annual
Basic	`EarningsPerShareBasic`	$4.16	USD	Annual
Basic	`EarningsPerShareBasic`	$3.92	USD	Annual
Basic	`EarningsPerShareBasic`	$3.92	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.91	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.91	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.14	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.14	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.08	USD	Annual
Diluted	`EarningsPerShareDiluted`	$4.08	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.83M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	56.83M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	55.60M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	55.60M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	54.21M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	54.21M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.86M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.86M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.34M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.34M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	57.03M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	57.03M	shares	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.64	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.64	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.48	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.48	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.60	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$2.60	USD	Annual

Cash Flow Statement 246 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$296.70M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$296.70M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$279.83M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$279.83M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$228.48M	USD	Annual
Depreciation and amortization	`UtilitiesOperatingExpenseDepreciationAndAmortization`	$228.48M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$106.52M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$106.52M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$24.77M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$24.77M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-22.03M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-22.03M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$13.73M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$13.73M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$12.18M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$12.18M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$10.74M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$10.74M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$6.71M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$6.71M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$9.70M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$9.70M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$6.00M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$6.00M	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	-	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	-	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	$1.33B	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	$1.33B	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	$197.37M	USD	Annual
Proceeds from Securitization Bonds, Operating Activities	`ProceedsFromSecuritizationBondsOperatingActivities`	$197.37M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$67.29M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$67.29M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-196.27M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$-196.27M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$213.66M	USD	Annual
Accounts receivable	`IncreaseDecreaseInReceivables`	$213.66M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$15.98M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$15.98M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$6.78M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$6.78M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$14.01M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$14.01M	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	$-49.68M	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	$-49.68M	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	$-3.95M	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	$-3.95M	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Proceeds from Income Tax Refunds	`ProceedsFromIncomeTaxRefunds`	-	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$89.56M	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$89.56M	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$-82.11M	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$-82.11M	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$-25.91M	USD	Annual
Natural gas in storage	`IncreaseDecreaseInInventories`	$-25.91M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-47.03M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-47.03M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-58.95M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-58.95M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-62.02M	USD	Annual
Payments for Removal Costs	`IncreaseDecreaseAssetRemovalCosts`	$-62.02M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$85.92M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$85.92M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-90.05M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-90.05M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-15.01M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-15.01M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-9.56M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-9.56M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$11.32M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$11.32M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$6.82M	USD	Annual
Accrued taxes other than income	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$6.82M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$4.33M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$4.33M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$-4.60M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$-4.60M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$-5.94M	USD	Annual
Customer deposits	`IncreaseDecreaseInCustomerDeposits`	$-5.94M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$-52.42M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$-52.42M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$90.83M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$90.83M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$-7.25M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Current, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesCurrent`	$-7.25M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-19.35M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-19.35M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-38.87M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-38.87M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-53.99M	USD	Annual
Increase (Decrease) In Regulatory Assets And Liabilities Noncurrent, net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilitiesNonCurrent`	$-53.99M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$23.38M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$23.38M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-30.02M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-30.02M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$17.09M	USD	Annual
Increase (Decrease) in Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$17.09M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$14.11M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$14.11M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$2.05M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$2.05M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$11.37M	USD	Annual
Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net	`IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet`	$11.37M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.57B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.57B	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$939.53M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$939.53M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$368.41M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$368.41M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$666.63M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$666.63M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$609.49M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$609.49M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$703.16M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$703.16M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$10.40M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$10.40M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$8.51M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$8.51M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$8.63M	USD	Annual
Payments for Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$8.63M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$6.07M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$6.07M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$4.01M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$4.01M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$5.50M	USD	Annual
Proceeds from Sale of Other Assets, Investing Activities	`ProceedsFromSaleOfOtherAssetsInvestingActivities`	$5.50M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-707.50M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-707.50M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-614.11M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-614.11M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-669.64M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-669.64M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$58.00M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$58.00M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$826.10M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$826.10M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-463.50M	USD	Annual
Borrowings (repayments) of short-term debt, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-463.50M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$297.59M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$297.59M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$299.58M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$299.58M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$253.47M	USD	Annual
Proceeds from Issuance of Senior Long-Term Debt	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$253.47M	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	-	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	-	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	-	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	-	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	$335.93M	USD	Annual
Issuance of securitized utility tariff bonds, net of discounts	`OgsIssuanceOfSecuritizedUtilityTariffBondsNetOfDiscounts`	$335.93M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-8.57M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-8.57M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-2.19M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-2.19M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-2.51M	USD	Annual
Payments of Debt Issuance Costs	`PaymentsOfDebtIssuanceCosts`	$-2.51M	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	$773.01M	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	$773.01M	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	$-1.63B	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	$-1.63B	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	-	USD	Annual
Repayments of Other Long-Term Debt	`RepaymentsOfOtherLongTermDebt`	-	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	$20.72M	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	$20.72M	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	-	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	-	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	$27.94M	USD	Annual
Repayment of securitized utility tariff bonds	`RepaymentsOfSecuritizedUtilityTariffBonds`	$27.94M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$85.26M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$85.26M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$133.71M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$133.71M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$245.70M	USD	Point-in-time
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$245.70M	USD	Point-in-time
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$252.38M	USD	Annual
Proceeds from Issuance of Common Stock	`ProceedsFromIssuanceOfCommonStock`	$252.38M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$149.46M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$149.46M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$133.95M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$133.95M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$144.09M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$144.09M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.11M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.11M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.65M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.65M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.17M	USD	Annual
Payment, Tax Withholding, Share-based Payment Arrangement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.17M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$378.23M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$378.23M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-248.63M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-248.63M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-947.46M	USD	Annual
Cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-947.46M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$39.15M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$39.15M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$9.28M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$9.28M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$21.26M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$21.26M	USD	Annual
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.85M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$18.13M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$39.39M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$78.54M	USD	Point-in-time
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$148.99M	USD	Annual
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$148.99M	USD	Annual
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$84.87M	USD	Annual
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$84.87M	USD	Annual
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$80.73M	USD	Annual
Interest Paid, Excluding Capitalized Interest	`InterestPaidNet`	$80.73M	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$366.00K	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$366.00K	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$769.00K	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$769.00K	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$621.00K	USD	Annual
Income Tax Paid, State and Local, after Refund Received	`IncomeTaxPaidStateAndLocalAfterRefundReceived`	$621.00K	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$5.30M	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$5.30M	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$-4.55M	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$-4.55M	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$1.57M	USD	Annual
Income Tax Paid, Oklahoma, after Refund Received	`IncomeTaxPaidOklahomaAfterRefundReceived`	$1.57M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$18.50M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$18.50M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$-16.28M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$-16.28M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$61.50M	USD	Annual
Income Tax Paid, Federal, after Refund Received	`IncomeTaxPaidFederalAfterRefundReceived`	$61.50M	USD	Annual

Stockholders Equity 54 line items

Line Item	Tag	Value	Unit	Period
Shares issued, beginning balance	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Shares issued, beginning balance	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Shares issued, beginning balance	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Shares issued, beginning balance	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Shares issued, ending balance	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Shares issued, ending balance	`CommonStockSharesIssued`	56.55M	shares	Point-in-time
Shares issued, ending balance	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Shares issued, ending balance	`CommonStockSharesIssued`	59.88M	shares	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.58B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.58B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.77B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.77B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.35B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$2.35B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$3.10B	USD	Point-in-time
Equity, beginning balance	`StockholdersEquity`	$3.10B	USD	Point-in-time
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-478.00K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-478.00K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.82M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.82M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$264.22M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$264.22M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$94.79M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$94.79M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$141.28M	USD	Annual
Common stock issued, value	`StockIssuedDuringPeriodValueNewIssues`	$141.28M	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.48	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.48	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.64	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.64	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.60	USD	Annual
Dividends paid per share of stock	`CommonStockDividendsPerShareCashPaid`	$2.60	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$144.09M	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$144.09M	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$149.46M	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$149.46M	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$133.95M	USD	Annual
Dividends, Common Stock	`DividendsCommonStock`	$133.95M	USD	Annual
Equity, ending balance	`StockholdersEquity`	$2.58B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$2.58B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$2.77B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$2.77B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$2.35B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$2.35B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$3.10B	USD	Point-in-time
Equity, ending balance	`StockholdersEquity`	$3.10B	USD	Point-in-time

Comprehensive Income 42 line items

Line Item	Tag	Value	Unit	Period
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-281.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-281.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-1.71M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-1.71M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$140.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$140.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-25.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-25.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	-	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$222.85M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$221.74M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Net income	`NetIncomeLoss`	$231.23M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$960.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$960.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$5.82M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$5.82M	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-478.00K	USD	Annual
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-478.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$96.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$96.00K	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	-	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-478.00K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-478.00K	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.82M	USD	Annual
Other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$5.82M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$223.91M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$223.91M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$227.56M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$227.56M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$230.75M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$230.75M	USD	Annual

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