10-K Filing

TXNM ENERGY INC CIK: 1108426 FY 2023

Filing Information

Form Type	10-K
Accession Number	`0001108426-24-000008`
Period End Date	20231231
Filing Date	20240229
Fiscal Year	2023
Fiscal Period	FY
XBRL Instance	pnm-20231231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 140 Income Statement 66 Cash Flow Statement 137 Stockholders Equity 31 Comprehensive Income 54

Balance Sheet 140 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.21M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.08M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses of $3,388 and $4,925	`AccountsReceivableNetCurrent`	$183.67M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses of $3,388 and $4,925	`AccountsReceivableNetCurrent`	$126.29M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$64.07M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$63.47M	USD	Point-in-time
Other receivables	`OtherReceivables`	$76.51M	USD	Point-in-time
Other receivables	`OtherReceivables`	$20.32M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$66.73M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$98.03M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$20.27M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$73.05M	USD	Point-in-time
Prepaid assets	`PrepaidExpenseCurrent`	$18.46M	USD	Point-in-time
Prepaid assets	`PrepaidExpenseCurrent`	$19.76M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.70M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$2.35M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$4.92M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$8.92M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$31.62M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.39M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$475.54M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$410.98M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$43.98M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$35.84M	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$417.48M	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$444.41M	USD	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$119.57M	USD	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$90.62M	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$4.24B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$3.89B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$280.17M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$184.79M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$171.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$177.00K	USD	Point-in-time
Non-utility property, including financing leases	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$26.84M	USD	Point-in-time
Non-utility property, including financing leases	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$29.37M	USD	Point-in-time
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$535.11M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$593.52M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.16B	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.70B	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.76B	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.66B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$6.95B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$6.50B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$589.83M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$372.99M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $35,840 and $43,985	`NuclearFuelNetOfAmortization`	$74.67M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $35,840 and $43,985	`NuclearFuelNetOfAmortization`	$95.22M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.97B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.61B	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	90.20M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	90.20M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$846.69M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$914.38M	USD	Point-in-time
Goodwill	`Goodwill`	$278.30M	USD	Point-in-time
Goodwill	`Goodwill`	$278.30M	USD	Point-in-time
Goodwill	`Goodwill`	$278.30M	USD	Point-in-time
Operating lease assets, net of amortization	`OperatingLeaseRightOfUseAsset`	$55.98M	USD	Point-in-time
Operating lease assets, net of amortization	`OperatingLeaseRightOfUseAsset`	$182.20M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$198.81M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$157.50M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.34B	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.57B	USD	Point-in-time
Total assets	`Assets`	$10.25B	USD	Point-in-time
Total assets	`Assets`	$9.26B	USD	Point-in-time
Total assets	`Assets`	$8.67B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$232.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$261.90M	USD	Point-in-time
Current installments of long-term debt (includes $2,529 and $0 related to ETBC I)	`LongTermDebtCurrent`	$280.17M	USD	Point-in-time
Current installments of long-term debt (includes $2,529 and $0 related to ETBC I)	`LongTermDebtCurrent`	$184.79M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$215.71M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$205.18M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$6.24M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$6.12M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$76.78M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$98.66M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$17.00M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$140.00M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$18.78M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$12.27M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$35.09M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$31.68M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$96.87M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$20.47M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$87.04M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$94.40M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$890.37M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.23B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs (includes $338,521 and $0 related to ETBC I)	`LongTermDebtNoncurrent`	$4.24B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs (includes $338,521 and $0 related to ETBC I)	`LongTermDebtNoncurrent`	$3.89B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$845.28M	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$822.83M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$755.20M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$771.32M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$245.53M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$223.38M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$32.80M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$21.43M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$41.34M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$167.00M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$319.07M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$342.41M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.22B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.37B	USD	Point-in-time
Total liabilities	`Liabilities`	$7.84B	USD	Point-in-time
Total liabilities	`Liabilities`	$7.00B	USD	Point-in-time
Commitments and Contingencies (See Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (See Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements`	$11.53M	USD	Point-in-time
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements`	$11.53M	USD	Point-in-time
Common stock (no par value; 120,000,000 shares authorized; issued and outstanding 90,200,384 and 85,834,874 shares)	`CommonStockValue`	$1.43B	USD	Point-in-time
Common stock (no par value; 120,000,000 shares authorized; issued and outstanding 90,200,384 and 85,834,874 shares)	`CommonStockValue`	$1.62B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-62.84M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-66.05M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$828.88M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$787.11M	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$2.19B	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$2.35B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$49.96M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$52.99M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.24B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.40B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$9.26B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$10.25B	USD	Point-in-time

Income Statement 66 line items

Line Item	Tag	Value	Unit	Period
Electric Operating Revenues	`Revenues`	$1.78B	USD	Annual
Electric Operating Revenues	`Revenues`	$1.94B	USD	Annual
Electric Operating Revenues	`Revenues`	$2.25B	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$230.29M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$227.15M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$227.90M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$71.92M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$832.00K	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$1.19M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$319.50M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$304.85M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$284.11M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$94.68M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$98.72M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$81.33M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$92.99M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$86.01M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$95.94M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.86B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.71B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.47B	USD	Annual
Operating income	`OperatingIncomeLoss`	$308.15M	USD	Annual
Operating income	`OperatingIncomeLoss`	$393.76M	USD	Annual
Operating income	`OperatingIncomeLoss`	$231.34M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$21.96M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$14.66M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$16.09M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$19.25M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$-78.36M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$16.85M	USD	Annual
Other income	`OtherIncome`	$20.20M	USD	Annual
Other income	`OtherIncome`	$21.60M	USD	Annual
Other income	`OtherIncome`	$24.20M	USD	Annual
Other (deductions)	`OtherExpenses`	$15.87M	USD	Annual
Other (deductions)	`OtherExpenses`	$13.88M	USD	Annual
Other (deductions)	`OtherExpenses`	$18.56M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$49.54M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$33.15M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$-54.54M	USD	Annual
Interest Charges	`InterestExpense`	$190.35M	USD	Annual
Interest Charges	`InterestExpense`	$127.91M	USD	Annual
Interest Charges	`InterestExpense`	$96.88M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$90.53M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$211.31M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$244.43M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$-16.35M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$26.13M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$32.58M	USD	Annual
Net Earnings	`ProfitLoss`	$185.18M	USD	Annual
Net Earnings	`ProfitLoss`	$106.88M	USD	Annual
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.12M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.49M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$18.53M	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendsIncomeStatementImpact`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendsIncomeStatementImpact`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendsIncomeStatementImpact`	$528.00K	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$169.53M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$87.82M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$195.83M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.02	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.97	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.28	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.02	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.27	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.97	USD	Annual

Cash Flow Statement 137 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$185.18M	USD	Annual
Net Earnings	`ProfitLoss`	$106.88M	USD	Annual
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$341.12M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$353.69M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$320.21M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$30.75M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$24.53M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-13.51M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$19.25M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$-78.36M	USD	Annual
(Gains) losses on investment securities	`GainLossOnInvestments`	$16.85M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$7.83M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$7.19M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$9.45M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$71.92M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$832.00K	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCharges`	$1.19M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$14.98M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$13.80M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$13.22M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-804.00K	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-2.38M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-5.46M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$73.10M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$25.92M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$-53.23M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$31.30M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$8.53M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-6.43M	USD	Point-in-time
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-1.36M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-17.16M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-1.84M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$52.23M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-31.14M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$25.82M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-5.00M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$10.64M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$47.57M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-33.54M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$17.53M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$2.69M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$9.21M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$6.89M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$125.58M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-28.52M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$4.96M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-27.93M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-29.59M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$547.87M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$567.28M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$551.17M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$912.56M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$935.02M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$1.08B	USD	Annual
Proceeds from sale of plant assets (Note 8)	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from sale of plant assets (Note 8)	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$32.65M	USD	Annual
Proceeds from sale of plant assets (Note 8)	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$459.87M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$526.45M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$574.20M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$564.91M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$477.67M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$593.24M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$26.25M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Distributions from NMRD	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Distributions from NMRD	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	-	USD	Annual
Distributions from NMRD	`ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital`	$572.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-44.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-674.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$9.00K	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-950.35M	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.09B	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-952.26M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$30.70M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$29.90M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$169.30M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.82B	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.36B	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$558.00M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$1.41B	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$179.50M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$910.00M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$198.18M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$7.98M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$10.13M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$9.65M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$126.70M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$119.84M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$112.97M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.53M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$19.09M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$21.57M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$49.81M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$96.55M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$80.56M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$10.20M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$21.12M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$107.40M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-5.56M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.84M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.31M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$537.10M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$386.04M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$357.56M	USD	Annual
Change in Cash, Cash Equivalents, and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$2.97M	USD	Annual
Change in Cash, Cash Equivalents, and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-135.00K	USD	Annual
Change in Cash, Cash Equivalents, and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-46.82M	USD	Annual
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.08M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.94M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$4.08M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.94M	USD	Point-in-time
Cash, Cash Equivalents, and Restricted Cash at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	$1.73M	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	$1.73M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$91.28M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$155.27M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$118.48M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$1.50M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$1.04M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-1.01M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$7.36M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$4.46M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$-23.00M	USD	Annual

Stockholders Equity 31 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.24B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.40B	USD	Point-in-time
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$185.18M	USD	Annual
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$106.88M	USD	Annual
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$211.85M	USD	Annual
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$3.21M	USD	Annual
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$5.89M	USD	Annual
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$7.25M	USD	Annual
Subsidiary preferred stock dividends	`DividendsPreferredStock`	$528.00K	USD	Annual
Subsidiary preferred stock dividends	`DividendsPreferredStock`	$528.00K	USD	Annual
Subsidiary preferred stock dividends	`DividendsPreferredStock`	$528.00K	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$84.33M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$129.59M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$150.85M	USD	Annual
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	-	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$9.65M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$10.13M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$7.98M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$198.18M	USD	Annual
Stock based compensation expense	`StockIssuedDuringPeriodValueShareBasedCompensation`	$7.19M	USD	Annual
Stock based compensation expense	`StockIssuedDuringPeriodValueShareBasedCompensation`	$9.45M	USD	Annual
Stock based compensation expense	`StockIssuedDuringPeriodValueShareBasedCompensation`	$7.83M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$19.09M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$21.57M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$17.53M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.24B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.40B	USD	Point-in-time

Comprehensive Income 54 line items

Line Item	Tag	Value	Unit	Period
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-478.00K	USD	Annual
Net Earnings	`ProfitLoss`	$185.18M	USD	Annual
Net Earnings	`ProfitLoss`	$106.88M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$2.93M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-490.00K	USD	Annual
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$972.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.83M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.48M	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$353.00K	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-1.16M	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$3.08M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $(2,928), $490, and $478	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$8.60M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.80M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $(2,928), $490, and $478	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.44M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $(2,928), $490, and $478	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-1.40M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-2.12M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.21M	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $1,828, $972, and $2,480	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$5.37M	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$3.93M	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $1,828, $972, and $2,480	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$2.85M	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-3.12M	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-458.00K	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $1,828, $972, and $2,480	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$7.29M	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$229.00K	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-2.36M	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$299.00K	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(353), $1,159, and $(3,076)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$9.04M	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(353), $1,159, and $(3,076)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-3.41M	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(353), $1,159, and $(3,076)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.04M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(1,212), $(1,804), and $(2,120)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.23M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(1,212), $(1,804), and $(2,120)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-3.56M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(1,212), $(1,804), and $(2,120)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.30M	USD	Annual
Change in fair market value, net of income tax (expense) of $3,933, $(3,121), and $(458)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$1.35M	USD	Annual
Change in fair market value, net of income tax (expense) of $3,933, $(3,121), and $(458)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$9.16M	USD	Annual
Change in fair market value, net of income tax (expense) of $3,933, $(3,121), and $(458)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-11.55M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(2,359), $299, and $229	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$877.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(2,359), $299, and $229	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$674.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(2,359), $299, and $229	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-6.93M	USD	Annual
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$3.21M	USD	Annual
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$5.89M	USD	Annual
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$7.25M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$219.09M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$191.07M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$110.09M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.49M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.12M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$18.53M	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendRequirementsOfSubsidiary`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendRequirementsOfSubsidiary`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`PreferredStockDividendRequirementsOfSubsidiary`	$528.00K	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$91.03M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$175.42M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$203.08M	USD	Annual

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