10-Q Filing

TXNM ENERGY INC CIK: 1108426 Q3 2017

Filing Information

Form Type	10-Q
Accession Number	`0001108426-17-000048`
Period End Date	20170930
Filing Date	20171027
Fiscal Year	2017
Fiscal Period	Q3
XBRL Instance	pnm-20170930.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 140 Income Statement 108 Cash Flow Statement 98 Stockholders Equity 31 Comprehensive Income 64

Balance Sheet 140 line items

Line Item	Tag	Value	Unit	Period
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.06M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.21M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$43.91M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$49.90M	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`	$43.15M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$46.05M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.52M	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`	$7.68M	USD	Point-in-time
Accounts receivable, net of allowance for uncollectible accounts	`AccountsReceivableNetCurrent`	$107.43M	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
Accounts receivable, net of allowance for uncollectible accounts	`AccountsReceivableNetCurrent`	$87.01M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$58.28M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$57.24M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares issued (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Other receivables	`OtherReceivables`	$16.57M	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding (in shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	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`	$28.25M	USD	Point-in-time
Current portion of Westmoreland Loan	`NotesAndLoansReceivableGrossCurrent`	$12.27M	USD	Point-in-time
Current portion of Westmoreland Loan	`NotesAndLoansReceivableGrossCurrent`	$38.36M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$68.18M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$73.03M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$3.85M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$3.42M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Commodity derivative instruments	`DerivativeAssetsCurrent`	$3.09M	USD	Point-in-time
Commodity derivative instruments	`DerivativeAssetsCurrent`	$5.22M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.76M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.07M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$73.44M	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
Other current assets	`OtherAssetsCurrent`	$56.42M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$374.54M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	79.65M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$378.04M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	79.65M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Long-term portion of Westmoreland Loan	`NotesAndLoansReceivableGrossNoncurrent`	$56.64M	USD	Point-in-time
Long-term portion of Westmoreland Loan	`NotesAndLoansReceivableGrossNoncurrent`	$53.96M	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesNoncurrent`	$272.98M	USD	Point-in-time
Available-for-sale securities	`AvailableForSaleSecuritiesNoncurrent`	$306.44M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$386.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$547.00K	USD	Point-in-time
Non-utility property	`PropertyPlantAndEquipmentOtherNet`	$3.40M	USD	Point-in-time
Non-utility property	`PropertyPlantAndEquipmentOtherNet`	$3.40M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$333.57M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$364.19M	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$6.94B	USD	Point-in-time
Plant in service, held for future use, and to be abandoned	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.13B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.33B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.43B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$4.70B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$4.61B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$301.47M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$208.21M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$88.70M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization	`NuclearFuelNetOfAmortization`	$86.91M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.90B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.09B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$489.42M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$501.22M	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
Commodity derivative instruments	`DerivativeAssetsNoncurrent`	-	USD	Point-in-time
Commodity derivative instruments	`DerivativeAssetsNoncurrent`	$3.85M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$94.85M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNetIncludingDeferredFinanceCosts`	$75.24M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$854.76M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$866.41M	USD	Point-in-time
Total assets	`Assets`	$6.40B	USD	Point-in-time
Total assets	`Assets`	$6.70B	USD	Point-in-time
Total assets	`Assets`	$6.47B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$287.10M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$266.50M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$165.31M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$273.35M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$89.88M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$86.70M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$11.37M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$10.95M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$61.87M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$83.29M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$7.16M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$3.61M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesCurrent`	$1.28M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesCurrent`	$2.34M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$19.45M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$19.45M	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$522.00K	USD	Point-in-time
Transmission interconnection arrangement liabilities	`TransmissionInterconnectionArrangementLiabilities`	$12.17M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$59.31M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$67.07M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$805.11M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$710.88M	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.28B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.12B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$1.02B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$940.65M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$456.74M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$455.65M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$127.52M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$133.84M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$116.81M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$125.84M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesNoncurrent`	-	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.85M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$132.10M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$140.54M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.86B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.79B	USD	Point-in-time
Total liabilities	`Liabilities`	$4.85B	USD	Point-in-time
Total liabilities	`Liabilities`	$4.71B	USD	Point-in-time
Commitments and Contingencies (See Note 11)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (See 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`	$1.16B	USD	Point-in-time
Common stock	`CommonStockValue`	$1.16B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-71.43M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-82.50M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-73.64M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-92.45M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$691.33M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$604.74M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.68B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.77B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$68.92M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$67.41M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$6.47B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$6.70B	USD	Point-in-time

Income Statement 108 line items

Line Item	Tag	Value	Unit	Period
Electric Operating Revenues	`ElectricUtilityRevenue`	$400.37M	USD	1 Quarter
Electric Operating Revenues	`ElectricUtilityRevenue`	$419.90M	USD	1 Quarter
Electric Operating Revenues	`ElectricUtilityRevenue`	$1.03B	USD	3 Qtrs
Electric Operating Revenues	`ElectricUtilityRevenue`	$1.11B	USD	3 Qtrs
Cost of energy	`CostOfGoodsSoldElectric`	$282.50M	USD	3 Qtrs
Cost of energy	`CostOfGoodsSoldElectric`	$310.82M	USD	3 Qtrs
Cost of energy	`CostOfGoodsSoldElectric`	$103.75M	USD	1 Quarter
Cost of energy	`CostOfGoodsSoldElectric`	$108.77M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$46.27M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$139.21M	USD	3 Qtrs
Administrative and general	`GeneralAndAdministrativeExpense`	$46.94M	USD	1 Quarter
Administrative and general	`GeneralAndAdministrativeExpense`	$138.92M	USD	3 Qtrs
Energy production costs	`ElectricProductionExpense`	$31.97M	USD	1 Quarter
Energy production costs	`ElectricProductionExpense`	$31.46M	USD	1 Quarter
Energy production costs	`ElectricProductionExpense`	$112.03M	USD	3 Qtrs
Energy production costs	`ElectricProductionExpense`	$98.15M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$16.45M	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$17.23M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	3 Qtrs
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$153.80M	USD	3 Qtrs
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$53.02M	USD	1 Quarter
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$172.83M	USD	3 Qtrs
Depreciation and amortization	`CostOfServicesDepreciationAndAmortization`	$58.82M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$50.31M	USD	3 Qtrs
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$16.80M	USD	1 Quarter
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$49.97M	USD	3 Qtrs
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$16.06M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$57.82M	USD	3 Qtrs
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$19.61M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$19.81M	USD	1 Quarter
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$57.60M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$828.85M	USD	3 Qtrs
Total operating expenses	`UtilitiesOperatingExpense`	$292.30M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$277.42M	USD	1 Quarter
Total operating expenses	`UtilitiesOperatingExpense`	$812.33M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$108.07M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$214.40M	USD	3 Qtrs
Operating income	`OperatingIncomeLoss`	$142.48M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$283.55M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$18.42M	USD	3 Qtrs
Interest income	`InvestmentIncomeInterest`	$4.60M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$3.58M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$12.35M	USD	3 Qtrs
Gains on available-for-sale securities	`GainLossOnInvestments`	$15.38M	USD	3 Qtrs
Gains on available-for-sale securities	`GainLossOnInvestments`	$5.41M	USD	1 Quarter
Gains on available-for-sale securities	`GainLossOnInvestments`	$17.73M	USD	3 Qtrs
Gains on available-for-sale securities	`GainLossOnInvestments`	$4.53M	USD	1 Quarter
Other income	`OtherIncome`	$6.28M	USD	1 Quarter
Other income	`OtherIncome`	$4.88M	USD	1 Quarter
Other income	`OtherIncome`	$13.41M	USD	3 Qtrs
Other income	`OtherIncome`	$14.63M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$10.96M	USD	3 Qtrs
Other (deductions)	`OtherExpenses`	$3.76M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$4.57M	USD	1 Quarter
Other (deductions)	`OtherExpenses`	$10.87M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$10.26M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$36.35M	USD	3 Qtrs
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$10.69M	USD	1 Quarter
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$33.75M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$32.47M	USD	1 Quarter
Interest Charges	`InterestExpense`	$97.18M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$96.14M	USD	3 Qtrs
Interest Charges	`InterestExpense`	$32.11M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$153.57M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$85.86M	USD	1 Quarter
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$221.16M	USD	3 Qtrs
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$121.07M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$50.09M	USD	3 Qtrs
Income Taxes	`IncomeTaxExpenseBenefit`	$27.30M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$42.74M	USD	1 Quarter
Income Taxes	`IncomeTaxExpenseBenefit`	$75.15M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$103.47M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$146.00M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$58.56M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.04M	USD	3 Qtrs
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.46M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.01M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.45M	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
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 Attributable to PNMR	`NetIncomeLoss`	$92.04M	USD	3 Qtrs
Net Earnings Attributable to PNMR	`NetIncomeLoss`	$73.74M	USD	1 Quarter
Net Earnings Attributable to PNMR	`NetIncomeLoss`	$54.42M	USD	1 Quarter
Net Earnings Attributable to PNMR	`NetIncomeLoss`	$134.16M	USD	3 Qtrs
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$73.74M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$54.42M	USD	1 Quarter
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$134.16M	USD	3 Qtrs
Net Earnings Available for PNM Common Stock	`NetIncomeLossAvailableToCommonStockholdersBasic`	$92.04M	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.92	USD	1 Quarter
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.15	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.68	USD	3 Qtrs
Basic (dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.68	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.15	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.68	USD	1 Quarter
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.67	USD	3 Qtrs
Diluted (dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.92	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.24	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.24	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.66	USD	3 Qtrs
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.24	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	1 Quarter
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.22	USD	Point-in-time
Dividends Declared per Common Share (dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.73	USD	3 Qtrs

Cash Flow Statement 98 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$103.47M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$146.00M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$58.56M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$92.04M	USD	3 Qtrs
Net earnings	`NetIncomeLoss`	$73.74M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$54.42M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$134.16M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$178.14M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$200.29M	USD	3 Qtrs
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$50.30M	USD	3 Qtrs
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$75.22M	USD	3 Qtrs
Net unrealized (gains) losses on commodity derivatives	`UnrealizedGainLossOnDerivatives`	$-2.18M	USD	3 Qtrs
Net unrealized (gains) losses on commodity derivatives	`UnrealizedGainLossOnDerivatives`	$-968.00K	USD	3 Qtrs
Realized (gains) on available-for-sale securities	`GainLossOnSaleOfInvestments`	$17.73M	USD	3 Qtrs
Realized (gains) on available-for-sale securities	`GainLossOnSaleOfInvestments`	$15.38M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$5.32M	USD	3 Qtrs
Stock based compensation expense	`ShareBasedCompensation`	$4.40M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$16.45M	USD	1 Quarter
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$17.23M	USD	3 Qtrs
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	-	USD	3 Qtrs
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$6.22M	USD	3 Qtrs
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.06M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-1.41M	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$-2.10M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$1.15M	USD	3 Qtrs
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$21.08M	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$203.00K	USD	3 Qtrs
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$4.63M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$11.82M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-22.76M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-1.92M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$5.98M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$6.19M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$3.73M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$20.82M	USD	3 Qtrs
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$20.72M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-1.59M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-19.43M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-6.29M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-10.30M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$417.34M	USD	3 Qtrs
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$320.99M	USD	3 Qtrs
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$502.53M	USD	3 Qtrs
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$353.42M	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$280.99M	USD	3 Qtrs
Proceeds from sales of available-for-sale securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$456.58M	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireMarketableSecurities`	$284.71M	USD	3 Qtrs
Purchases of available-for-sale securities	`PaymentsToAcquireMarketableSecurities`	$461.13M	USD	3 Qtrs
Return of principal on PVNGS lessor notes	`ReturnOfPrincipalOnPvngsLessorNotes`	$8.55M	USD	3 Qtrs
Return of principal on PVNGS lessor notes	`ReturnOfPrincipalOnPvngsLessorNotes`	-	USD	3 Qtrs
Investment in Westmoreland Loan	`PaymentsToAcquireInvestments`	$122.25M	USD	3 Qtrs
Investment in Westmoreland Loan	`PaymentsToAcquireInvestments`	-	USD	3 Qtrs
Principal repayments on Westmoreland Loan	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$15.00M	USD	3 Qtrs
Principal repayments on Westmoreland Loan	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$28.77M	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-160.00K	USD	3 Qtrs
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-179.00K	USD	3 Qtrs
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-604.77M	USD	3 Qtrs
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-329.04M	USD	3 Qtrs
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$105.30M	USD	3 Qtrs
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfLinesOfCredit`	$-20.60M	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$503.50M	USD	3 Qtrs
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$317.00M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$288.16M	USD	3 Qtrs
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$263.32M	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$1.74M	USD	3 Qtrs
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$6.67M	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$13.82M	USD	3 Qtrs
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$14.92M	USD	3 Qtrs
Dividends paid	`PaymentsOfOrdinaryDividends`	$52.97M	USD	3 Qtrs
Dividends paid	`PaymentsOfOrdinaryDividends`	$58.34M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$12.96M	USD	3 Qtrs
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$12.33M	USD	3 Qtrs
Amounts received under transmission interconnection arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$3.26M	USD	3 Qtrs
Amounts received under transmission interconnection arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$11.88M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$2.25M	USD	3 Qtrs
Refunds paid under transmission interconnection arrangements	`RepaymentsFromTransmissionInterconnectionArrangement`	$9.37M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.87M	USD	3 Qtrs
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.70M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$245.41M	USD	3 Qtrs
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-49.67M	USD	3 Qtrs
Change in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-38.37M	USD	3 Qtrs
Change in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$38.63M	USD	3 Qtrs
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$43.15M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$46.05M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.52M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$7.68M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$43.15M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$46.05M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$4.52M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$7.68M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNetOfCapitalizedInterestAndNetOfDebtAllowanceForFundsUsedDuringConstruction`	$75.36M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNetOfCapitalizedInterestAndNetOfDebtAllowanceForFundsUsedDuringConstruction`	$75.54M	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$850.00K	USD	3 Qtrs
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$625.00K	USD	3 Qtrs
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$30.21M	USD	3 Qtrs
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$-4.50M	USD	3 Qtrs

Stockholders Equity 31 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
Cumulative effect adjustment (Note 8)	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$10.38M	USD	Point-in-time
Balance, as adjusted	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1`	$1.76B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$1.68B	USD	Point-in-time
Beginning balance TNMP	`StockholdersEquity`	$1.77B	USD	Point-in-time
Net Earnings	`ProfitLoss`	$103.47M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$146.00M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$58.56M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$92.04M	USD	3 Qtrs
Net earnings	`NetIncomeLoss`	$73.74M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$54.42M	USD	1 Quarter
Net earnings	`NetIncomeLoss`	$134.16M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$3.09M	USD	1 Quarter
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$9.95M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$-2.21M	USD	3 Qtrs
Total other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	1 Quarter
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`	$57.95M	USD	3 Qtrs
Proceeds from stock option exercise	`StockIssuedDuringPeriodValueStockOptionsExercised`	$1.74M	USD	3 Qtrs
Awards of common stock	`StockRepurchasedDuringPeriodValue`	$13.82M	USD	3 Qtrs
Stock based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$5.32M	USD	3 Qtrs
Valencias transactions with its owner	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$12.96M	USD	3 Qtrs
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.83B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$1.68B	USD	Point-in-time
Ending balance TNMP	`StockholdersEquity`	$1.77B	USD	Point-in-time

Comprehensive Income 64 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$103.47M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$1.22M	USD	3 Qtrs
Net Earnings	`ProfitLoss`	$146.00M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$2.87M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$58.56M	USD	1 Quarter
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$8.65M	USD	3 Qtrs
Unrealized holding gains (losses) arising during the period, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$1.88M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.60M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$3.96M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$1.99M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$4.30M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.88M	USD	3 Qtrs
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$626.00K	USD	1 Quarter
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$537.00K	USD	1 Quarter
Pension liability adjustment, income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent`	$1.61M	USD	3 Qtrs
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-108.00K	USD	3 Qtrs
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-509.00K	USD	3 Qtrs
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$13.65M	USD	3 Qtrs
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$2.93M	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$4.53M	USD	1 Quarter
Unrealized holding gains arising during the period, net of income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$1.90M	USD	3 Qtrs
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$4.00K	USD	1 Quarter
Change in fair market value, income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$172.00K	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$2.53M	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$6.18M	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-187.00K	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-224.00K	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-79.00K	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$3.10M	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-62.00K	USD	1 Quarter
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$6.79M	USD	3 Qtrs
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.96M	USD	3 Qtrs
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-839.00K	USD	1 Quarter
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.52M	USD	3 Qtrs
Reclassification adjustment for amortization of experience losses recognized as net periodic benefit cost, net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-987.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $(4), $(172), $108, and $509	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$269.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $(4), $(172), $108, and $509	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$6.00K	USD	1 Quarter
Change in fair market value, net of income tax (expense) benefit of $(4), $(172), $108, and $509	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-796.00K	USD	3 Qtrs
Change in fair market value, net of income tax (expense) benefit of $(4), $(172), $108, and $509	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-170.00K	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(62), $(79), $(187), and $(224)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-123.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(62), $(79), $(187), and $(224)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-349.00K	USD	3 Qtrs
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(62), $(79), $(187), and $(224)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-99.00K	USD	1 Quarter
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $(62), $(79), $(187), and $(224)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-297.00K	USD	3 Qtrs
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$3.09M	USD	1 Quarter
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$9.95M	USD	3 Qtrs
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-2.21M	USD	3 Qtrs
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$1.06M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$155.95M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$59.62M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$101.26M	USD	3 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$81.42M	USD	1 Quarter
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.04M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.46M	USD	1 Quarter
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$11.45M	USD	3 Qtrs
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.01M	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`	$76.83M	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$55.48M	USD	1 Quarter
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$89.83M	USD	3 Qtrs
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$144.11M	USD	3 Qtrs

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