10-K Filing

TXNM ENERGY INC CIK: 1108426 FY 2021

Filing Information

Form Type	10-K
Accession Number	`0001108426-22-000010`
Period End Date	20211231
Filing Date	20220301
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	pnm-20211231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 134 Income Statement 75 Cash Flow Statement 134 Stockholders Equity 32 Comprehensive Income 54

Balance Sheet 134 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$47.93M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses of $7,265 and $8,333	`AccountsReceivableNetCurrent`	$113.41M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses of $7,265 and $8,333	`AccountsReceivableNetCurrent`	$123.29M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$57.74M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$55.50M	USD	Point-in-time
Other receivables	`OtherReceivables`	$18.78M	USD	Point-in-time
Other receivables	`OtherReceivables`	$23.80M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$65.06M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$66.42M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$7.26M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$202.00K	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$14.79M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$8.33M	USD	Point-in-time
Prepaid assets	`PrepaidExpenseCurrent`	$42.06M	USD	Point-in-time
Prepaid assets	`PrepaidExpenseCurrent`	$37.33M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$41.18M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$4.88M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$41.37M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$5.67M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$1.64M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$22.48M	USD	Point-in-time
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Total current assets	`AssetsCurrent`	$324.60M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$377.48M	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, 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
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$463.13M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$440.12M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$89.16M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$90.66M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$265.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$284.00K	USD	Point-in-time
Non-utility property, including financing leases	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$24.07M	USD	Point-in-time
Non-utility property, including financing leases	`PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization`	$25.44M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$577.99M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$555.13M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.48B	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$9.36B	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.95B	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.84B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentNetInService`	$5.65B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentNetInService`	$6.41B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$218.72M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$248.86M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $41,181 and $41,367	`NuclearFuelNetOfAmortization`	$98.94M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $41,181 and $41,367	`NuclearFuelNetOfAmortization`	$100.80M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.75B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.97B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$557.79M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$514.26M	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`	$79.51M	USD	Point-in-time
Operating lease assets, net of amortization	`OperatingLeaseRightOfUseAsset`	$105.13M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$139.33M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$100.88M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.04B	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.01B	USD	Point-in-time
Total assets	`Assets`	$7.30B	USD	Point-in-time
Total assets	`Assets`	$8.67B	USD	Point-in-time
Total assets	`Assets`	$7.94B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$62.70M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$32.00M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$575.52M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$179.34M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$172.59M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$169.32M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$6.61M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$5.09M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$68.21M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$70.11M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.47M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$8.32M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$27.46M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$27.22M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$132.00K	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$28.24M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$6.88M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$39.56M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$99.15M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$55.96M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$977.66M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$664.21M	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$3.52B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.72B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$764.85M	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$694.51M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$841.39M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$850.23M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$183.42M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$234.15M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$58.10M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$19.06M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$55.99M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$81.06M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$333.19M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$255.23M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.12B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.25B	USD	Point-in-time
Total liabilities	`Liabilities`	$5.82B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.43B	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 85,834,874 shares)	`CommonStockValue`	$1.43B	USD	Point-in-time
Common stock (no par value; 120,000,000 shares authorized; issued and outstanding 85,834,874 shares)	`CommonStockValue`	$1.43B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-71.94M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-79.18M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$698.71M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$810.20M	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$2.17B	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$2.05B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$55.41M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$59.01M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$7.94B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$8.67B	USD	Point-in-time

Income Statement 75 line items

Line Item	Tag	Value	Unit	Period
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.47B	USD	Annual
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.57B	USD	Annual
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.38B	USD	Annual
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-11.99M	USD	Annual
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-3.76M	USD	Annual
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-542.00K	USD	Annual
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$65.21M	USD	Annual
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$80.94M	USD	Annual
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$214.23M	USD	Annual
Total electric operating revenues	`Revenues`	$1.46B	USD	Annual
Total electric operating revenues	`Revenues`	$1.78B	USD	Annual
Total electric operating revenues	`Revenues`	$1.52B	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$230.29M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$216.33M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$189.23M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$1.10M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$151.09M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$1.19M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$267.81M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$284.11M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$275.61M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$69.86M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$81.33M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$77.94M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$81.53M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$80.05M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$86.01M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.47B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.31B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.24B	USD	Annual
Operating income	`OperatingIncomeLoss`	$144.20M	USD	Annual
Operating income	`OperatingIncomeLoss`	$285.28M	USD	Annual
Operating income	`OperatingIncomeLoss`	$308.15M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$14.02M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$14.22M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$14.66M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$16.85M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$29.59M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$21.60M	USD	Annual
Other income	`OtherIncome`	$20.20M	USD	Annual
Other income	`OtherIncome`	$15.38M	USD	Annual
Other income	`OtherIncome`	$19.97M	USD	Annual
Other (deductions)	`OtherExpenses`	$15.33M	USD	Annual
Other (deductions)	`OtherExpenses`	$18.56M	USD	Annual
Other (deductions)	`OtherExpenses`	$18.73M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$33.15M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$43.66M	USD	Annual
Net other income and (deductions)	`OtherNonoperatingIncomeExpense`	$37.06M	USD	Annual
Interest Charges	`InterestExpense`	$96.88M	USD	Annual
Interest Charges	`InterestExpense`	$121.02M	USD	Annual
Interest Charges	`InterestExpense`	$114.39M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$244.43M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$207.95M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$66.85M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$-25.28M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$32.58M	USD	Annual
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$20.64M	USD	Annual
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
Net Earnings	`ProfitLoss`	$92.13M	USD	Annual
Net Earnings	`ProfitLoss`	$187.32M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.01M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.24M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.49M	USD	Annual
Preferred Stock Dividends Requirements	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividends Requirements	`DividendsPreferredStock`	$528.00K	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$172.78M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$195.83M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$77.36M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.16	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.97	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.28	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.97	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.15	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.27	USD	Annual

Cash Flow Statement 134 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
Net Earnings	`ProfitLoss`	$92.13M	USD	Annual
Net Earnings	`ProfitLoss`	$187.32M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$314.67M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$320.21M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$301.07M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$20.41M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-25.39M	USD	Annual
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$30.75M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$16.85M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$29.59M	USD	Annual
(Gains) on investment securities	`GainLossOnInvestments`	$21.60M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$9.45M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$8.14M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$6.41M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$1.10M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$151.09M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowancesAndRestructuringCosts`	$1.19M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$11.25M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$13.22M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.48M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-2.40M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-3.50M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-5.46M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$25.92M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$-3.80M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$42.03M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-1.36M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-11.51M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$6.09M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$8.13M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-1.84M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-1.87M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-42.80M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-29.92M	USD	Annual
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-31.14M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-272.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$7.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$10.64M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$14.69M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$2.69M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$-9.35M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$23.74M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-7.21M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$6.89M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-29.63M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-29.59M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-35.07M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$503.16M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$485.70M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$547.87M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$935.02M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$679.03M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$616.27M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$459.87M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$494.53M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$591.00M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$477.67M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$607.59M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$513.87M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$23.25M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$38.25M	USD	Annual
Distributions from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	$572.00K	USD	Annual
Distributions from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	Annual
Distributions from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$9.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$14.93M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$37.00K	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-673.90M	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-733.80M	USD	Annual
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-952.26M	USD	Annual
Short-term borrowings (repayments), net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Short-term borrowings (repayments), net	`ProceedsFromRepaymentsOfOtherDebt`	$-150.00M	USD	Annual
Short-term borrowings (repayments), net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$30.70M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-153.10M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$99.20M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$745.00M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.27B	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.82B	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$977.85M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$407.30M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$1.41B	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	$283.21M	USD	Annual
Issuance of common stock	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	-	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$943.00K	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$24.00K	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$10.13M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$11.98M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$9.92M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$92.93M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$98.50M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$112.97M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$18.06M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$15.40M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$19.09M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$11.45M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$80.56M	USD	Annual
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$10.02M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$5.91M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$10.20M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$4.33M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.84M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.31M	USD	Annual
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.94M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$172.45M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$292.19M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$357.56M	USD	Annual
Change in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-46.82M	USD	Annual
Change in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$44.09M	USD	Annual
Change in Cash and Cash Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.71M	USD	Annual
Cash and Cash Equivalents at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.83M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.12M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.83M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.10M	USD	Point-in-time
Cash and Cash Equivalents at End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.12M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$106.58M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$91.28M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$115.48M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$969.00K	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$1.04M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-2.93M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$8.78M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$-58.80M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$7.36M	USD	Annual
Contribution of utility plant to NMRD	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	-	USD	Annual
Contribution of utility plant to NMRD	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	-	USD	Annual
Contribution of utility plant to NMRD	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$801.00K	USD	Annual

Stockholders Equity 32 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$211.85M	USD	Annual
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$92.13M	USD	Annual
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$187.32M	USD	Annual
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$9.31M	USD	Annual
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$20.19M	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`	$101.59M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$93.79M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$84.33M	USD	Annual
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	$24.00K	USD	Annual
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	$943.00K	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$9.92M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$10.13M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$11.98M	USD	Annual
Issuance of common stock	`StockIssuedDuringPeriodValueNewIssues`	$283.21M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$9.45M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$8.14M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$6.41M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$15.40M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$18.06M	USD	Annual
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$19.09M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.22B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time

Comprehensive Income 54 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$211.85M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$6.53M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-478.00K	USD	Annual
Net Earnings	`ProfitLoss`	$92.13M	USD	Annual
Net Earnings	`ProfitLoss`	$187.32M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$5.74M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.41M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.48M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$3.57M	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$1.56M	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-973.00K	USD	Annual
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$3.08M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-2.11M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.88M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $478, $(5,736), and $(6,534)	`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
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $478, $(5,736), and $(6,534)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$16.85M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit of $478, $(5,736), and $(6,534)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$19.19M	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $2,480, $2,412, and $3,572	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$7.29M	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $2,480, $2,412, and $3,572	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$10.49M	USD	Annual
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $2,480, $2,412, and $3,572	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$7.08M	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$888.00K	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-323.00K	USD	Annual
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-458.00K	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$442.00K	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-186.00K	USD	Annual
Reclassification adjustment for losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$229.00K	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(3,076), $(1,562), and $973	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$4.59M	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(3,076), $(1,562), and $973	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$9.04M	USD	Annual
Experience gains (losses), net of income tax (expense) benefit of $(3,076), $(1,562), and $973	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-2.86M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(2,120), $(2,108), and $(1,880)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.23M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(2,120), $(2,108), and $(1,880)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.52M	USD	Annual
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax (benefit) of $(2,120), $(2,108), and $(1,880)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.19M	USD	Annual
Change in fair market value, net of income tax (expense) benefit of $(458), $(323), and $888	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$1.35M	USD	Annual
Change in fair market value, net of income tax (expense) benefit of $(458), $(323), and $888	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-2.61M	USD	Annual
Change in fair market value, net of income tax (expense) benefit of $(458), $(323), and $888	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$948.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax (benefit) of $229, $442, and $(186)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-547.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax (benefit) of $229, $442, and $(186)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$1.30M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings, net of income tax (benefit) of $229, $442, and $(186)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$674.00K	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$9.31M	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$20.19M	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$7.25M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$207.51M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$219.09M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$101.44M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$14.24M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.49M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$14.01M	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`	$203.08M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$192.97M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$86.67M	USD	Annual

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