10-Q Filing

TXNM ENERGY INC CIK: 1108426 Q3 2021

Filing Information

Form Type	10-Q
Accession Number	`0001108426-21-000055`
Period End Date	20210930
Filing Date	20211029
Fiscal Year	2021
Fiscal Period	Q3
XBRL Instance	pnm-20210930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 136 Income Statement 108 Cash Flow Statement 92 Stockholders Equity 44 Comprehensive Income 64

Balance Sheet 136 line items

Line Item	Tag	Value	Unit	Period
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$8.33M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$11.24M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$41.37M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$48.06M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$49.48M	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, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$47.93M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses	`AccountsReceivableNetCurrent`	$113.41M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses	`AccountsReceivableNetCurrent`	$140.83M	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
Unbilled revenues	`UnbilledReceivablesCurrent`	$64.87M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$55.50M	USD	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 outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Other receivables	`OtherReceivables`	$28.79M	USD	Point-in-time
Other receivables	`OtherReceivables`	$23.80M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$66.42M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$66.75M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$202.00K	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$34.19M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$5.32M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$5.67M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$64.55M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$57.48M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$377.48M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$447.71M	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
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	85.83M	shares	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$455.41M	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$440.12M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	85.83M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	85.83M	shares	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$90.66M	USD	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$89.06M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$148.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$284.00K	USD	Point-in-time
Non-utility property, net	`PropertyPlantAndEquipmentOtherNet`	$25.55M	USD	Point-in-time
Non-utility property, net	`PropertyPlantAndEquipmentOtherNet`	$24.07M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$555.13M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$570.17M	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.72B	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.48B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.84B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.95B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$5.77B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$5.65B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$218.72M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$350.09M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$97.06M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$100.80M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.22B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.97B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$544.43M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$557.79M	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 right-of-use assets, net of accumulated amortization	`OperatingLeaseRightOfUseAsset`	$105.13M	USD	Point-in-time
Operating lease right-of-use assets, net of accumulated amortization	`OperatingLeaseRightOfUseAsset`	$85.96M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$100.88M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$110.68M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.04B	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.02B	USD	Point-in-time
Assets	`Assets`	$7.94B	USD	Point-in-time
Assets	`Assets`	$8.26B	USD	Point-in-time
Assets	`Assets`	$7.74B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$32.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$13.90M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$104.26M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$575.52M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$169.32M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$111.97M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$6.61M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$4.88M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$68.21M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$75.57M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.47M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$13.38M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$27.46M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$28.23M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$28.24M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$28.24M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$30.98M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$6.88M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$55.96M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$63.80M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$475.21M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$977.66M	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.72B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$3.40B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$694.51M	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$744.86M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$855.86M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$850.23M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$192.13M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$183.42M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$46.86M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$58.10M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$55.11M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$81.06M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$255.23M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$277.19M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.17B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.12B	USD	Point-in-time
Total liabilities	`Liabilities`	$5.82B	USD	Point-in-time
Total liabilities	`Liabilities`	$6.04B	USD	Point-in-time
Commitments and Contingencies (Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 11)	`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	`CommonStockValue`	$1.43B	USD	Point-in-time
Common stock	`CommonStockValue`	$1.43B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-79.18M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-80.62M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$798.98M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$698.71M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$2.14B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$2.05B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$59.01M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$56.41M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.15B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.20B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$7.94B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$8.26B	USD	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.20B	USD	3 Qtrs
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$455.12M	USD	1 Quarter
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.12B	USD	3 Qtrs
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$481.88M	USD	1 Quarter
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-7.48M	USD	3 Qtrs
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-12.38M	USD	1 Quarter
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-9.48M	USD	1 Quarter
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-3.16M	USD	3 Qtrs
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$50.04M	USD	3 Qtrs
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$82.15M	USD	1 Quarter
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$29.72M	USD	1 Quarter
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$151.59M	USD	3 Qtrs
Total electric operating revenues	`Revenues`	$1.35B	USD	3 Qtrs
Total electric operating revenues	`Revenues`	$472.46M	USD	1 Quarter
Total electric operating revenues	`Revenues`	$554.55M	USD	1 Quarter
Total electric operating revenues	`Revenues`	$1.16B	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$148.10M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$56.52M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$168.46M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$51.61M	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	-	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	-	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	$436.00K	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	$436.00K	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$207.40M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$68.40M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$71.44M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$212.04M	USD	3 Qtrs
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$20.00M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$56.17M	USD	3 Qtrs
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$18.74M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$54.06M	USD	3 Qtrs
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$22.68M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$20.77M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$65.44M	USD	3 Qtrs
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$62.81M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$324.66M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$897.04M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$1.08B	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$402.82M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$147.81M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$269.10M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$266.69M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$151.73M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.33M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$10.47M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$9.67M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$3.18M	USD	1 Quarter
Gains on investment securities	`GainLossOnInvestments`	$1.95M	USD	1 Quarter
Gains on investment securities	`GainLossOnInvestments`	$16.11M	USD	3 Qtrs
Gains on investment securities	`GainLossOnInvestments`	$3.17M	USD	3 Qtrs
Gains on investment securities	`GainLossOnInvestments`	$14.40M	USD	1 Quarter
Other income	`OtherIncome`	$7.02M	USD	1 Quarter
Other income	`OtherIncome`	$14.59M	USD	3 Qtrs
Other income	`OtherIncome`	$13.73M	USD	3 Qtrs
Other income	`OtherIncome`	$5.69M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$5.10M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$14.14M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$7.36M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$13.84M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$5.87M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$17.24M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$27.33M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$12.43M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$88.78M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$27.26M	USD	1 Quarter
Interest Charges	`InterestExpense`	$23.24M	USD	1 Quarter
Interest Charges	`InterestExpense`	$73.25M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$137.78M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$223.18M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$134.35M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$190.34M	USD	3 Qtrs
Income Taxes	`IncomeTaxExpenseBenefit`	$14.73M	USD	3 Qtrs
Income Taxes	`IncomeTaxExpenseBenefit`	$26.53M	USD	3 Qtrs
Income Taxes	`IncomeTaxExpenseBenefit`	$12.33M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$16.67M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$196.65M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$125.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$117.68M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.64M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.23M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.22M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.55M	USD	1 Quarter
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$396.00K	USD	3 Qtrs
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$132.00K	USD	1 Quarter
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$132.00K	USD	1 Quarter
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$396.00K	USD	3 Qtrs
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$113.32M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$164.00M	USD	3 Qtrs
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$121.77M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$184.61M	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.14	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.52	USD	1 Quarter
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.05	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.32	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.14	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.05	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.32	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.52	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.92	USD	3 Qtrs
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.33	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.98	USD	3 Qtrs
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.33	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.33	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	Point-in-time

Cash Flow Statement 92 line items

Line Item	Tag	Value	Unit	Period
Net earnings	`ProfitLoss`	$196.65M	USD	3 Qtrs
Net earnings	`ProfitLoss`	$125.45M	USD	1 Quarter
Net earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net earnings	`ProfitLoss`	$117.68M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$238.96M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$233.54M	USD	3 Qtrs
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$25.29M	USD	3 Qtrs
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$13.80M	USD	3 Qtrs
(Gains) on investment securities	`GainLossOnSaleOfInvestments`	$16.11M	USD	3 Qtrs
(Gains) on investment securities	`GainLossOnSaleOfInvestments`	$3.17M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$6.56M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$6.73M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	-	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	-	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	$436.00K	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	$436.00K	USD	1 Quarter
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$6.73M	USD	3 Qtrs
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$8.87M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-3.11M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-4.59M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$57.34M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$46.65M	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-10.49M	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$333.00K	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$20.00M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$9.88M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-17.55M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-22.61M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$5.93M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-8.12M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$-3.77M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$7.71M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$17.68M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$16.75M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-21.07M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-25.52M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$367.96M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$408.51M	USD	3 Qtrs
Additions to utility plant and non-utility plant	`PaymentsToAcquireProductiveAssets`	$495.33M	USD	3 Qtrs
Additions to utility plant and non-utility plant	`PaymentsToAcquireProductiveAssets`	$496.19M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$396.87M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$489.22M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$405.14M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$498.17M	USD	3 Qtrs
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	-	USD	3 Qtrs
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$23.25M	USD	3 Qtrs
Distributions from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	3 Qtrs
Distributions from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	$572.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-108.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-166.00K	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-527.37M	USD	3 Qtrs
Net cash flows used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-503.78M	USD	3 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfOtherDebt`	$494.00K	USD	3 Qtrs
Short-term borrowings, net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	3 Qtrs
Revolving credit facilities borrowings, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-18.10M	USD	3 Qtrs
Revolving credit facilities borrowings, net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-1.30M	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.04B	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.37B	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$752.85M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$1.17B	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$24.00K	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	-	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$11.98M	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$10.08M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$73.88M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$84.73M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$14.24M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$14.99M	USD	3 Qtrs
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$31.88M	USD	3 Qtrs
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$8.61M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$9.75M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$4.40M	USD	3 Qtrs
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.10M	USD	3 Qtrs
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.16M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$186.47M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$96.82M	USD	3 Qtrs
Change in Cash, Restricted Cash, and Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$27.06M	USD	3 Qtrs
Change in Cash, Restricted Cash, and Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.55M	USD	3 Qtrs
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.89M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.48M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.83M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.89M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.48M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.83M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$47.93M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$84.14M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$69.97M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$969.00K	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$892.00K	USD	3 Qtrs
Decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$10.32M	USD	3 Qtrs
Decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$63.28M	USD	3 Qtrs

Stockholders Equity 44 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.15B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.20B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$2.14B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$2.05B	USD	Point-in-time
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$196.65M	USD	3 Qtrs
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$125.45M	USD	1 Quarter
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$117.68M	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$2.71M	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.44M	USD	3 Qtrs
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.27M	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$9.50M	USD	3 Qtrs
Subsidiary preferred stock dividends	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Subsidiary preferred stock dividends	`PreferredStockDividendRequirementsOfSubsidiary`	$396.00K	USD	3 Qtrs
Subsidiary preferred stock dividends	`PreferredStockDividendRequirementsOfSubsidiary`	$396.00K	USD	3 Qtrs
Subsidiary preferred stock dividends	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$73.48M	USD	3 Qtrs
Dividends declared on common stock	`DividendsCommonStockCash`	$84.33M	USD	3 Qtrs
Dividends declared on common stock	`DividendsCommonStockCash`	$48.99M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$56.22M	USD	1 Quarter
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	$24.00K	USD	3 Qtrs
Awards of common stock	`StockRepurchasedDuringPeriodValue`	$11.98M	USD	3 Qtrs
Awards of common stock	`StockRepurchasedDuringPeriodValue`	$10.08M	USD	3 Qtrs
Awards of common stock	`StockRepurchasedDuringPeriodValue`	$129.00K	USD	1 Quarter
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.56M	USD	3 Qtrs
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.73M	USD	3 Qtrs
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.02M	USD	1 Quarter
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.33M	USD	1 Quarter
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.98M	USD	1 Quarter
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.99M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.24M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.20M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.15B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.20B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$2.14B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$2.05B	USD	Point-in-time

Comprehensive Income 64 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$196.65M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-246.00K	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$1.28M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$125.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-329.00K	USD	1 Quarter
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$3.75M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$117.68M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.04M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$632.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.82M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$2.06M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$527.00K	USD	1 Quarter
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.59M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.58M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$530.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$313.00K	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$3.75M	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$458.00K	USD	3 Qtrs
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-722.00K	USD	3 Qtrs
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-968.00K	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$11.00M	USD	3 Qtrs
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$9.00K	USD	3 Qtrs
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$284.00K	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$1.86M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$157.00K	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$3.06M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$229.00K	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$6.06M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$5.34M	USD	3 Qtrs
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.55M	USD	1 Quarter
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.67M	USD	3 Qtrs
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.56M	USD	1 Quarter
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.64M	USD	3 Qtrs
Change in fair market value, net of income tax (expense) of $0, $(313), $(458), and $(9)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$918.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) of $0, $(313), $(458), and $(9)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$24.00K	USD	3 Qtrs
Change in fair market value, net of income tax (expense) of $0, $(313), $(458), and $(9)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	1 Quarter
Change in fair market value, net of income tax (expense) of $0, $(313), $(458), and $(9)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$1.35M	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $0, $157, $229, and $284	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$460.00K	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $0, $157, $229, and $284	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $0, $157, $229, and $284	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$674.00K	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense of $0, $157, $229, and $284	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$833.00K	USD	3 Qtrs
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$2.71M	USD	1 Quarter
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.44M	USD	3 Qtrs
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.27M	USD	1 Quarter
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$9.50M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$128.16M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$116.42M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$195.21M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$185.12M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.22M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.55M	USD	1 Quarter
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.64M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.23M	USD	1 Quarter
Preferred Stock Dividend Requirements of Subsidiary	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Preferred Stock Dividend Requirements of Subsidiary	`PreferredStockDividendRequirementsOfSubsidiary`	$396.00K	USD	3 Qtrs
Preferred Stock Dividend Requirements of Subsidiary	`PreferredStockDividendRequirementsOfSubsidiary`	$396.00K	USD	3 Qtrs
Preferred Stock Dividend Requirements of Subsidiary	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$112.05M	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$183.17M	USD	3 Qtrs
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$173.50M	USD	3 Qtrs
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$124.47M	USD	1 Quarter

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