10-Q Filing

TXNM ENERGY INC CIK: 1108426 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001108426-20-000067`
Period End Date	20200930
Filing Date	20201030
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	pnm-20200930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 136 Income Statement 108 Cash Flow Statement 88 Stockholders Equity 45 Comprehensive Income 64

Balance Sheet 136 line items

Line Item	Tag	Value	Unit	Period
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.16M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.90M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$42.35M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$47.54M	USD	Point-in-time
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.83M	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	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$30.89M	USD	Point-in-time
Cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.12M	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	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.09M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Accounts receivable, net of allowance for credit losses	`AccountsReceivableNetCurrent`	$135.40M	USD	Point-in-time
Accounts receivable, net of allowance for credit losses	`AccountsReceivableNetCurrent`	$85.89M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$57.42M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$64.32M	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 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`	$12.16M	USD	Point-in-time
Other receivables	`OtherReceivables`	$12.97M	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`	$67.44M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$77.93M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$11.91M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$7.37M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$4.98M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$4.93M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$50.07M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$44.47M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Total current assets	`AssetsCurrent`	$377.99M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$294.01M	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`	79.65M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	79.65M	shares	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$388.83M	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$408.55M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$90.52M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$65.16M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$189.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$356.00K	USD	Point-in-time
Non-utility property, net	`PropertyPlantAndEquipmentOtherNet`	$22.09M	USD	Point-in-time
Non-utility property, net	`PropertyPlantAndEquipmentOtherNet`	$12.46M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$521.35M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$466.81M	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.92B	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$8.11B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.71B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.81B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$5.30B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$5.21B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$161.11M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$379.85M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$99.11M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$99.81M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.77B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.47B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$571.83M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$556.93M	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`	$111.64M	USD	Point-in-time
Operating lease right-of-use assets, net of accumulated amortization	`OperatingLeaseRightOfUseAsset`	$131.21M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$105.51M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$106.63M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.07B	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$1.07B	USD	Point-in-time
Assets	`Assets`	$7.30B	USD	Point-in-time
Assets	`Assets`	$7.20B	USD	Point-in-time
Assets	`Assets`	$7.74B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$184.29M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$185.10M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$490.27M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$779.60M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$103.12M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$84.68M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$10.59M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$9.17M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$73.10M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$76.81M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$6.63M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$505.00K	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$29.07M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityCurrent`	$26.83M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$24.62M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$24.62M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$62.65M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$47.40M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.25B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$967.48M	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.52B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.51B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$674.70M	USD	Point-in-time
Accumulated deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$626.06M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$861.71M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$866.24M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$181.16M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$181.96M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$86.17M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$95.04M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$81.93M	USD	Point-in-time
Operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$105.51M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$250.98M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$185.75M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.14B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$2.06B	USD	Point-in-time
Total liabilities	`Liabilities`	$5.55B	USD	Point-in-time
Total liabilities	`Liabilities`	$5.90B	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`	$1.15B	USD	Point-in-time
Common stock	`CommonStockValue`	$1.15B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-89.88M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-99.38M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$718.04M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$627.52M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.77B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.68B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$59.28M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$63.05M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	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`	$1.67B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$7.30B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$7.74B	USD	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$418.67M	USD	1 Quarter
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.05B	USD	3 Qtrs
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$455.12M	USD	1 Quarter
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.12B	USD	3 Qtrs
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-12.38M	USD	1 Quarter
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-300.00K	USD	3 Qtrs
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-6.78M	USD	1 Quarter
Alternative revenue programs	`RevenueNotFromContractWithCustomer`	$-7.48M	USD	3 Qtrs
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$64.47M	USD	3 Qtrs
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$21.69M	USD	1 Quarter
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$50.04M	USD	3 Qtrs
Other electric operating revenue	`RevenueNotFromContractWithCustomerOther`	$29.72M	USD	1 Quarter
Total electric operating revenues	`Revenues`	$1.16B	USD	3 Qtrs
Total electric operating revenues	`Revenues`	$472.46M	USD	1 Quarter
Total electric operating revenues	`Revenues`	$1.11B	USD	3 Qtrs
Total electric operating revenues	`Revenues`	$433.59M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$148.10M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$47.61M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$51.61M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$142.78M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$150.60M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$199.77M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$207.40M	USD	3 Qtrs
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$68.35M	USD	1 Quarter
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$68.40M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$16.46M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$54.06M	USD	3 Qtrs
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$18.74M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$52.33M	USD	3 Qtrs
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$61.33M	USD	3 Qtrs
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$21.01M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$20.77M	USD	1 Quarter
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`	$1.03B	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$293.05M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$83.65M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$147.81M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$266.69M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$140.54M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.18M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.44M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$9.67M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$10.49M	USD	3 Qtrs
Gains on investment securities	`GainLossOnInvestments`	$1.69M	USD	1 Quarter
Gains on investment securities	`GainLossOnInvestments`	$3.17M	USD	3 Qtrs
Gains on investment securities	`GainLossOnInvestments`	$14.40M	USD	1 Quarter
Gains on investment securities	`GainLossOnInvestments`	$20.30M	USD	3 Qtrs
Other income	`OtherIncome`	$13.73M	USD	3 Qtrs
Other income	`OtherIncome`	$4.26M	USD	1 Quarter
Other income	`OtherIncome`	$7.02M	USD	1 Quarter
Other income	`OtherIncome`	$11.05M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$9.98M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$14.14M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$3.61M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$7.36M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$17.24M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$31.86M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$12.43M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$5.77M	USD	1 Quarter
Interest Charges	`InterestExpense`	$88.78M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$91.78M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$30.36M	USD	1 Quarter
Interest Charges	`InterestExpense`	$27.26M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$190.34M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$115.95M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$23.72M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$137.78M	USD	1 Quarter
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$14.73M	USD	3 Qtrs
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$12.33M	USD	1 Quarter
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$9.19M	USD	1 Quarter
Income Taxes (Benefits)	`IncomeTaxExpenseBenefit`	$-32.42M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$106.76M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$125.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$56.14M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.19M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.22M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.86M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$3.55M	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
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`	$102.77M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$121.77M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$164.00M	USD	3 Qtrs
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$45.56M	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.29	USD	1 Quarter
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.57	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.52	USD	1 Quarter
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.05	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.52	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.57	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.28	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.05	USD	3 Qtrs
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
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.87	USD	3 Qtrs
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.29	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.92	USD	3 Qtrs
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.31	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.29	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.29	USD	Point-in-time

Cash Flow Statement 88 line items

Line Item	Tag	Value	Unit	Period
Net earnings	`ProfitLoss`	$106.76M	USD	1 Quarter
Net earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net earnings	`ProfitLoss`	$125.45M	USD	1 Quarter
Net earnings	`ProfitLoss`	$56.14M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$225.18M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$233.54M	USD	3 Qtrs
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$-33.22M	USD	3 Qtrs
Deferred income tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$13.80M	USD	3 Qtrs
(Gains) on investment securities	`GainLossOnSaleOfInvestments`	$3.17M	USD	3 Qtrs
(Gains) on investment securities	`GainLossOnSaleOfInvestments`	$20.30M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$6.56M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$5.42M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	-	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowanceAndRestructuringCharges`	$150.60M	USD	3 Qtrs
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$6.71M	USD	3 Qtrs
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$6.73M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-1.95M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-3.11M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$57.34M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$24.70M	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-10.49M	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$5.91M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$1.85M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$9.88M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-33.28M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-22.61M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-8.12M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-5.47M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$-3.77M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$12.18M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-2.53M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$16.75M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-25.52M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-32.81M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$367.96M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$351.26M	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`	$444.92M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$489.22M	USD	3 Qtrs
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$375.38M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$498.17M	USD	3 Qtrs
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$385.31M	USD	3 Qtrs
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$29.25M	USD	3 Qtrs
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$23.25M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$192.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-166.00K	USD	3 Qtrs
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-527.37M	USD	3 Qtrs
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-484.29M	USD	3 Qtrs
Short-term borrowings (repayments), net	`ProceedsFromRepaymentsOfOtherDebt`	-	USD	3 Qtrs
Short-term borrowings (repayments), net	`ProceedsFromRepaymentsOfOtherDebt`	$494.00K	USD	3 Qtrs
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$53.70M	USD	3 Qtrs
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-1.30M	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$555.00M	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$1.04B	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$372.30M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$752.85M	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$24.00K	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$943.00K	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$9.90M	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$11.98M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$73.88M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$69.69M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$10.22M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$14.99M	USD	3 Qtrs
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$8.34M	USD	3 Qtrs
Transmission interconnection and security deposit arrangements	`ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements`	$8.61M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$4.40M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$2.25M	USD	3 Qtrs
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.61M	USD	3 Qtrs
Debt issuance costs and other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.10M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$186.47M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$151.01M	USD	3 Qtrs
Change in Cash, Restricted Cash, and Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$27.06M	USD	3 Qtrs
Change in Cash, Restricted Cash, and Equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$17.97M	USD	3 Qtrs
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`	$30.89M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.12M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at Beginning of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.09M	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`	$30.89M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.12M	USD	Point-in-time
Cash, Restricted Cash, and Equivalents at End of Period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$20.09M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$84.14M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$85.72M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-2.93M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$969.00K	USD	3 Qtrs
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$10.32M	USD	3 Qtrs
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$25.02M	USD	3 Qtrs

Stockholders Equity 45 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	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`	$1.67B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$1.77B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$1.68B	USD	Point-in-time
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$106.76M	USD	1 Quarter
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$175.62M	USD	3 Qtrs
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$125.45M	USD	1 Quarter
Net earnings before subsidiary preferred stock dividends	`ProfitLoss`	$56.14M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.30M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$9.50M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$2.71M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$9.80M	USD	3 Qtrs
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
Subsidiary preferred stock dividends	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$48.99M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$46.20M	USD	1 Quarter
Dividends declared on common stock	`DividendsCommonStockCash`	$73.48M	USD	3 Qtrs
Dividends declared on common stock	`DividendsCommonStockCash`	$69.30M	USD	3 Qtrs
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	$943.00K	USD	3 Qtrs
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`	$9.90M	USD	3 Qtrs
Awards of common stock	`StockRepurchasedDuringPeriodValue`	$5.00K	USD	1 Quarter
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.42M	USD	3 Qtrs
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.33M	USD	1 Quarter
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$898.00K	USD	1 Quarter
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.56M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$10.22M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$2.28M	USD	1 Quarter
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$14.99M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$4.20M	USD	1 Quarter
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	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`	$1.67B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$1.77B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$1.68B	USD	Point-in-time

Comprehensive Income 64 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$106.76M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$175.62M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$5.87M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$1.82M	USD	1 Quarter
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`	$56.14M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$3.75M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.77M	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`	$3.19M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.04M	USD	1 Quarter
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.58M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.41M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$470.00K	USD	1 Quarter
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$527.00K	USD	1 Quarter
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`	$-126.00K	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$11.00M	USD	3 Qtrs
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$17.24M	USD	3 Qtrs
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`	$313.00K	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$5.35M	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $311 and $(472)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-931.00K	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$9.37M	USD	3 Qtrs
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`	$157.00K	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 (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) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-46.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(68) and $13	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$-179.00K	USD	3 Qtrs
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$5.19M	USD	1 Quarter
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.38M	USD	1 Quarter
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.14M	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`	$-4.64M	USD	3 Qtrs
Change in fair market value, net of income tax (expense) benefit of $(313), $126, $(9), $931	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$24.00K	USD	3 Qtrs
Change in fair market value, net of income tax (expense) benefit of $(313), $126, $(9), $931	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$918.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $(313), $126, $(9), $931	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-369.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $(313), $126, $(9), $931	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-2.73M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $157, $(46), $284, and $(179)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$460.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $157, $(46), $284, and $(179)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-136.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $157, $(46), $284, and $(179)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-528.00K	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $157, $(46), $284, and $(179)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$833.00K	USD	3 Qtrs
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$1.30M	USD	1 Quarter
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$9.50M	USD	3 Qtrs
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$2.71M	USD	1 Quarter
Total Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$9.80M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$185.12M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$65.94M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$128.16M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$108.06M	USD	1 Quarter
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$10.19M	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`	$11.22M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.86M	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
Preferred Stock Dividend Requirements of Subsidiary	`PreferredStockDividendRequirementsOfSubsidiary`	$132.00K	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$104.07M	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$124.47M	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$55.36M	USD	3 Qtrs
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$173.50M	USD	3 Qtrs

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