10-K Filing

TXNM ENERGY INC CIK: 1108426 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001108426-19-000020`
Period End Date	20181231
Filing Date	20190301
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	pnm-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 140 Income Statement 101 Cash Flow Statement 169 Stockholders Equity 56 Comprehensive Income 62

Balance Sheet 140 line items

Line Item	Tag	Value	Unit	Period
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.08M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.41M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$43.52M	USD	Point-in-time
Accumulated depreciation, nuclear fuel	`AccumulatedAmortizationNuclearFuel`	$42.51M	USD	Point-in-time
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Cumulative preferred stock of subsidiary, stated value (in dollars per share)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsParOrStatedValuePerShare`	$100.00	USD	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares authorized	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesAuthorized`	10.00M	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares issued	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares issued	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesIssued`	115,293.00	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Cumulative preferred stock of subsidiary, shares outstanding	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirementsSharesOutstanding`	115,293.00	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$54.22M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.97M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.12M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$5.52M	USD	Point-in-time
Accounts receivable, net of allowance for uncollectible accounts of $1,406 and $1,081	`AccountsReceivableNetCurrent`	$90.47M	USD	Point-in-time
Accounts receivable, net of allowance for uncollectible accounts of $1,406 and $1,081	`AccountsReceivableNetCurrent`	$92.80M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$54.05M	USD	Point-in-time
Unbilled revenues	`UnbilledReceivablesCurrent`	$57.09M	USD	Point-in-time
Other receivables	`OtherReceivables`	$11.37M	USD	Point-in-time
Other receivables	`OtherReceivables`	$17.58M	USD	Point-in-time
Current portion of Westmoreland Loan	`NotesAndLoansReceivableGrossCurrent`	-	USD	Point-in-time
Current portion of Westmoreland Loan	`NotesAndLoansReceivableGrossCurrent`	$3.58M	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Common stock, no par value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$66.50M	USD	Point-in-time
Materials, supplies, and fuel stock	`InventoryNet`	$71.83M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$4.53M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$2.93M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.65M	shares	Point-in-time
Commodity derivative instruments	`DerivativeAssetsCurrent`	$1.09M	USD	Point-in-time
Commodity derivative instruments	`DerivativeAssetsCurrent`	$1.08M	USD	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.65M	shares	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.88M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$7.96M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.65M	shares	Point-in-time
Other current assets	`OtherAssetsCurrent`	$47.36M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$53.73M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$294.42M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$302.52M	USD	Point-in-time
Long-term portion of Westmoreland Loan	`NotesAndLoansReceivableGrossNoncurrent`	$53.06M	USD	Point-in-time
Long-term portion of Westmoreland Loan	`NotesAndLoansReceivableGrossNoncurrent`	-	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$323.52M	USD	Point-in-time
Investment securities	`AvailableForSaleSecuritiesDebtSecuritiesNoncurrent`	$328.24M	USD	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$26.56M	USD	Point-in-time
Equity investment in NMRD	`EquityMethodInvestments`	$16.51M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$503.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$297.00K	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`	$358.51M	USD	Point-in-time
Total other property and investments	`TotalOtherPropertyAndInvestments`	$397.00M	USD	Point-in-time
Plant in service and held for future use	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.24B	USD	Point-in-time
Plant in service and held for future use	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.55B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.59B	USD	Point-in-time
Less accumulated depreciation and amortization	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.60B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$4.65B	USD	Point-in-time
Net plant in service and plant held for future use	`PublicUtilitiesPropertyPlantAndEquipmentInServiceNet`	$4.94B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$245.93M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$194.43M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $42,511 and $43,524	`NuclearFuelNetOfAmortization`	$95.80M	USD	Point-in-time
Nuclear fuel, net of accumulated amortization of $42,511 and $43,524	`NuclearFuelNetOfAmortization`	$88.70M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$4.98B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.23B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$598.93M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$600.67M	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`	$3.56M	USD	Point-in-time
Commodity derivative instruments	`DerivativeAssetsNoncurrent`	$2.51M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$90.15M	USD	Point-in-time
Other deferred charges	`OtherDeferredCostsNet`	$91.93M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$974.45M	USD	Point-in-time
Total deferred charges and other assets	`TotalDeferredChargesAndOtherAssets`	$969.89M	USD	Point-in-time
Total assets	`Assets`	$6.65B	USD	Point-in-time
Total assets	`Assets`	$6.47B	USD	Point-in-time
Total assets	`Assets`	$6.87B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$235.90M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$305.40M	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	-	USD	Point-in-time
Current installments of long-term debt	`LongTermDebtCurrent`	$256.89M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$121.38M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$112.17M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$11.03M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$10.70M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$62.36M	USD	Point-in-time
Accrued interest and taxes	`AccruedInterestAndTaxesPayable`	$65.16M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$9.45M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$2.31M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesCurrent`	$1.18M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesCurrent`	$1.18M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$21.24M	USD	Point-in-time
Dividends declared	`DividendsPayableCurrent`	$23.23M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$53.85M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$54.68M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$835.64M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$512.45M	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.18B	USD	Point-in-time
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	`LongTermDebtNoncurrent`	$2.67B	USD	Point-in-time
Accumulated deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$600.72M	USD	Point-in-time
Accumulated deferred income taxes	`DeferredTaxLiabilitiesNoncurrent`	$547.21M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$891.43M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$933.58M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$158.67M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$146.68M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$100.38M	USD	Point-in-time
Accrued pension liability and postretirement benefit cost	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$94.00M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.56M	USD	Point-in-time
Commodity derivative instruments	`DerivativeLiabilitiesNoncurrent`	$2.51M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$131.71M	USD	Point-in-time
Other deferred credits	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$165.16M	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.92B	USD	Point-in-time
Total deferred credits and other liabilities	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$1.86B	USD	Point-in-time
Total liabilities	`Liabilities`	$5.10B	USD	Point-in-time
Total liabilities	`Liabilities`	$4.87B	USD	Point-in-time
Commitments and Contingencies (See Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (See Note 16)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements`	$11.53M	USD	Point-in-time
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	`CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements`	$11.53M	USD	Point-in-time
Common stock outstanding	`CommonStockValue`	$1.16B	USD	Point-in-time
Common stock outstanding	`CommonStockValue`	$1.15B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-108.68M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of income taxes	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-95.94M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$633.53M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$643.95M	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$1.70B	USD	Point-in-time
Total PNMR common stockholders equity	`StockholdersEquity`	$1.69B	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$64.21M	USD	Point-in-time
Non-controlling interest in Valencia	`MinorityInterest`	$66.19M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	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`	$1.75B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$6.87B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$6.65B	USD	Point-in-time

Income Statement 101 line items

Line Item	Tag	Value	Unit	Period
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.32B	USD	Annual
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.28B	USD	Annual
Contracts with customers	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.36B	USD	Annual
Operating Revenues	`Revenues`	$1.44B	USD	Annual
Operating Revenues	`Revenues`	$1.36B	USD	Annual
Operating Revenues	`Revenues`	$1.45B	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$184.77M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$177.79M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$188.47M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$27.04M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$15.01M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$65.60M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$241.19M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$209.11M	USD	Annual
Depreciation and amortization	`CostOfGoodsAndServicesSoldDepreciationAndAmortization`	$231.94M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$66.23M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$76.43M	USD	Annual
Transmission and distribution costs	`TransmissionAndDistributionCosts`	$71.58M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$79.67M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$76.32M	USD	Annual
Taxes other than income taxes	`UtilitiesOperatingExpenseTaxes`	$76.69M	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.20B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.08B	USD	Annual
Total operating expenses	`UtilitiesOperatingExpense`	$1.13B	USD	Annual
Operating income	`OperatingIncomeLoss`	$-17.40M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$315.04M	USD	Annual
Operating income	`OperatingIncomeLoss`	$79.33M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$236.05M	USD	Annual
Operating income	`OperatingIncomeLoss`	$55.96M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$142.48M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$46.13M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$284.73M	USD	Annual
Operating income	`OperatingIncomeLoss`	$127.99M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$85.11M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$22.94M	USD	1 Quarter
Interest income	`InvestmentIncomeInterest`	$15.92M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$15.54M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$22.29M	USD	Annual
Gains (losses) on investment securities	`GainLossOnInvestments`	$19.52M	USD	Annual
Gains (losses) on investment securities	`GainLossOnInvestments`	$27.16M	USD	Annual
Gains (losses) on investment securities	`GainLossOnInvestments`	$-17.18M	USD	Annual
Other income	`OtherIncome`	$19.52M	USD	Annual
Other income	`OtherIncome`	$17.80M	USD	Annual
Other income	`OtherIncome`	$17.59M	USD	Annual
Other (deductions)	`OtherExpenses`	$20.52M	USD	Annual
Other (deductions)	`OtherExpenses`	$15.70M	USD	Annual
Other (deductions)	`OtherExpenses`	$24.25M	USD	Annual
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$39.08M	USD	Annual
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$38.34M	USD	Annual
Net other income and deductions	`OtherNonoperatingIncomeExpense`	$254.00K	USD	Annual
Interest Charges	`InterestExpense`	$127.62M	USD	Annual
Interest Charges	`InterestExpense`	$128.63M	USD	Annual
Interest Charges	`InterestExpense`	$127.24M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$109.06M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$195.17M	USD	Annual
Earnings before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$225.76M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$7.78M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$130.34M	USD	Annual
Income Taxes	`IncomeTaxExpenseBenefit`	$63.28M	USD	Annual
Net Earnings	`ProfitLoss`	$131.90M	USD	Annual
Net Earnings	`ProfitLoss`	$42.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$26.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$41.23M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$-50.59M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$101.28M	USD	Annual
Net Earnings	`ProfitLoss`	$18.80M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$95.42M	USD	Annual
Net Earnings	`ProfitLoss`	$-51.54M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$91.57M	USD	1 Quarter
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$14.52M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.11M	USD	Annual
(Earnings) Attributable to Valencia Non-controlling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.02M	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$85.64M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$79.87M	USD	Annual
Net Earnings Attributable to PNMR	`NetIncomeLossAvailableToCommonStockholdersBasic`	$116.85M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.70	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.10	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.47	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.00	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.29	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.48	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.19	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.68	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.07	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.47	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.92	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.00	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.46	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.29	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.19	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.47	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.68	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.07	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.92	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.69	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.09	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.48	USD	1 Quarter

Cash Flow Statement 169 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$131.90M	USD	Annual
Net Earnings	`ProfitLoss`	$42.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$26.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$41.23M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$-50.59M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$101.28M	USD	Annual
Net Earnings	`ProfitLoss`	$18.80M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$95.42M	USD	Annual
Net Earnings	`ProfitLoss`	$-51.54M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$91.57M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$38.21M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$-54.28M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$73.74M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$22.86M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$14.99M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$87.52M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$37.55M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$-55.08M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$268.19M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$275.64M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$242.03M	USD	Annual
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$130.53M	USD	Annual
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$63.80M	USD	Annual
Deferred income tax expense	`DeferredIncomeTaxExpenseBenefit`	$8.02M	USD	Annual
Net unrealized losses on commodity derivatives	`UnrealizedGainLossOnDerivatives`	-	USD	Annual
Net unrealized losses on commodity derivatives	`UnrealizedGainLossOnDerivatives`	$-2.88M	USD	Annual
Net unrealized losses on commodity derivatives	`UnrealizedGainLossOnDerivatives`	$-1.58M	USD	Annual
(Gains) losses on investment securities	`GainLossOnSaleOfInvestments`	$27.16M	USD	Annual
(Gains) losses on investment securities	`GainLossOnSaleOfInvestments`	$19.52M	USD	Annual
(Gains) losses on investment securities	`GainLossOnSaleOfInvestments`	$-17.18M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$7.12M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$6.19M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$5.63M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$27.04M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$15.01M	USD	Annual
Regulatory disallowances and restructuring costs	`RegulatoryDisallowance`	$65.60M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$9.52M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$4.95M	USD	Annual
Allowance for equity funds used during construction	`PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity`	$10.40M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-2.33M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-3.53M	USD	Annual
Other, net	`OtherNoncashIncomeExpense`	$-3.06M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$1.85M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$-2.54M	USD	Annual
Accounts receivable and unbilled revenues	`IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues`	$8.70M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$4.17M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$-1.47M	USD	Annual
Materials, supplies, and fuel stock	`IncreaseDecreaseInInventories`	$5.33M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-2.49M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$9.64M	USD	Annual
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-31.30M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$42.86M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$840.00K	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$5.49M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-20.71M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$3.16M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$14.47M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$3.35M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$1.71M	USD	Annual
Accrued interest and taxes	`IncreaseDecreaseInAccruedInterestAndTaxes`	$-327.00K	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-6.51M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-12.51M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$2.61M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-10.97M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-5.50M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$29.87M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$428.23M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$408.28M	USD	Annual
Net cash flows from operating activities	`NetCashProvidedByUsedInOperatingActivities`	$523.46M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$500.46M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$600.08M	USD	Annual
Additions to utility and non-utility plant	`PaymentsToAcquireProductiveAssets`	$501.21M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$522.60M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$637.49M	USD	Annual
Proceeds from sales of investment securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$984.53M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$1.01B	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$650.28M	USD	Annual
Purchases of investment securities	`PaymentsToAcquireMarketableSecurities`	$538.38M	USD	Annual
Return of principal on PVNGS lessor notes	`ReturnOfPrincipalOnPvngsLessorNotes`	-	USD	Annual
Return of principal on PVNGS lessor notes	`ReturnOfPrincipalOnPvngsLessorNotes`	-	USD	Annual
Return of principal on PVNGS lessor notes	`ReturnOfPrincipalOnPvngsLessorNotes`	$8.55M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$9.00M	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	-	USD	Annual
Investments in NMRD	`PaymentsToAcquireEquityMethodInvestments`	$4.08M	USD	Annual
Disbursements from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	Annual
Disbursements from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	-	USD	Annual
Disbursements from NMRD	`EquityMethodInvestmentDividendsOrDistributions`	$12.41M	USD	Annual
Investment in Westmoreland Loan	`PaymentsToAcquireInvestments`	-	USD	Annual
Investment in Westmoreland Loan	`PaymentsToAcquireInvestments`	$122.25M	USD	Annual
Investment in Westmoreland Loan	`PaymentsToAcquireInvestments`	-	USD	Annual
Principal repayments on Westmoreland Loan	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$30.00M	USD	Annual
Principal repayments on Westmoreland Loan	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$38.36M	USD	Annual
Principal repayments on Westmoreland Loan	`ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment`	$56.64M	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-186.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-392.00K	USD	Annual
Other, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-338.00K	USD	Annual
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-699.38M	USD	Annual
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-466.16M	USD	Annual
Net cash flows from investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-475.72M	USD	Annual
Short-term loan	`ProceedsFromShortTermDebt`	$50.00M	USD	Annual
Short-term loan	`ProceedsFromShortTermDebt`	-	USD	Annual
Short-term loan	`ProceedsFromShortTermDebt`	$100.00M	USD	Annual
Repayment of short-term loan	`RepaymentsOfShortTermDebt`	$150.00M	USD	Annual
Repayment of short-term loan	`RepaymentsOfShortTermDebt`	-	USD	Annual
Repayment of short-term loan	`RepaymentsOfShortTermDebt`	-	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfShortTermDebt`	$86.50M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfShortTermDebt`	$-119.50M	USD	Annual
Revolving credit facilities borrowings (repayments), net	`ProceedsFromRepaymentsOfShortTermDebt`	$18.30M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$603.50M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$317.00M	USD	Annual
Long-term borrowings	`ProceedsFromIssuanceOfLongTermDebt`	$984.65M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$750.16M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$303.79M	USD	Annual
Repayment of long-term debt	`RepaymentsOfLongTermDebt`	$274.07M	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$1.74M	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$963.00K	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$7.03M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$13.93M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$15.45M	USD	Annual
Awards of common stock	`PaymentsForRepurchaseOfCommonStock`	$12.63M	USD	Annual
Dividends paid	`PaymentsOfOrdinaryDividends`	$77.79M	USD	Annual
Dividends paid	`PaymentsOfOrdinaryDividends`	$84.96M	USD	Annual
Dividends paid	`PaymentsOfOrdinaryDividends`	$70.62M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.74M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.01M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.09M	USD	Annual
Amounts received under transmission interconnection arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$7.17M	USD	Annual
Amounts received under transmission interconnection arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$4.06M	USD	Annual
Amounts received under transmission interconnection arrangements	`ProceedsFromTransmissionInterconnectionArrangements`	$11.88M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$2.83M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$21.29M	USD	Annual
Refunds paid under transmission interconnection arrangements	`RepaymentOfTransmissionInterconnectionAgreements`	$2.83M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.94M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.10M	USD	Annual
Other, net	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.85M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$45.65M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$242.39M	USD	Annual
Net cash flows from financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-58.85M	USD	Annual
Change in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-48.70M	USD	Annual
Change in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.85M	USD	Annual
Change in Cash and Cash Equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.55M	USD	Annual
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$54.22M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$3.97M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$2.12M	USD	Point-in-time
Cash and Cash Equivalents at Beginning of Period	`CashAndCashEquivalentsAtCarryingValue`	$5.52M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$54.22M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$3.97M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$2.12M	USD	Point-in-time
Cash and Cash Equivalents at End of Period	`CashAndCashEquivalentsAtCarryingValue`	$5.52M	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	$8.17M	USD	Point-in-time
At beginning of period	`RestrictedCashCurrent`	$1.00M	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	-	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	$8.17M	USD	Point-in-time
At end of period	`RestrictedCashCurrent`	$1.00M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$115.04M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$120.95M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$119.31M	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$625.00K	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$-307.00K	USD	Annual
Income taxes paid (refunded), net	`IncomeTaxesPaidNet`	$842.00K	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$-11.50M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$-25.26M	USD	Annual
(Increase) decrease in accrued plant additions	`IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid`	$18.34M	USD	Annual
Contribution of utility plant to NMRD	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$24.83M	USD	Annual
Contribution of utility plant to NMRD	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$578.00K	USD	Annual

Stockholders Equity 56 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$1.70B	USD	Point-in-time
Beginning Balance	`StockholdersEquity`	$1.69B	USD	Point-in-time
Cumulative effect adjustment (Note 9)	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	-	USD	Point-in-time
Cumulative effect adjustment (Note 9)	`CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption`	$10.38M	USD	Point-in-time
Reclassification of stranded income taxes resulting from tax reform (Note 11)	`TaxCutsandJobsActof2017ReclassificationfromAOCItoRetainedEarnings`	-	USD	Annual
Net earnings	`ProfitLoss`	$131.90M	USD	Annual
Net earnings	`ProfitLoss`	$42.45M	USD	1 Quarter
Net earnings	`ProfitLoss`	$26.45M	USD	1 Quarter
Net earnings	`ProfitLoss`	$41.23M	USD	1 Quarter
Net earnings	`ProfitLoss`	$-50.59M	USD	1 Quarter
Net earnings	`ProfitLoss`	$101.28M	USD	Annual
Net earnings	`ProfitLoss`	$18.80M	USD	1 Quarter
Net earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net earnings	`ProfitLoss`	$95.42M	USD	Annual
Net earnings	`ProfitLoss`	$-51.54M	USD	1 Quarter
Net earnings	`ProfitLoss`	$91.57M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$38.21M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$-54.28M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$73.74M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$22.86M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$14.99M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$87.52M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$37.55M	USD	1 Quarter
Net Earnings	`NetIncomeLoss`	$-55.08M	USD	1 Quarter
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-21.02M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$14.10M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.54M	USD	Annual
Subsidiary preferred stock dividends/dividends declared on preferred stock	`DividendsPreferredStock`	$528.00K	USD	Annual
Subsidiary preferred stock dividends/dividends declared on preferred stock	`DividendsPreferredStock`	$528.00K	USD	Annual
Subsidiary preferred stock dividends/dividends declared on preferred stock	`DividendsPreferredStock`	$528.00K	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$79.06M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$86.42M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$71.89M	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$1.74M	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$963.00K	USD	Annual
Proceeds from stock option exercise	`ProceedsFromStockOptionsExercised`	$7.03M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$12.63M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$13.93M	USD	Annual
Awards of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$15.45M	USD	Annual
Excess tax (shortfall) from stock-based payment arrangements	`AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet`	$-15.00K	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$7.12M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$6.19M	USD	Annual
Stock based compensation expense	`ShareBasedCompensation`	$5.63M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.74M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.01M	USD	Annual
Valencias transactions with its owner	`PaymentsOfDividendsMinorityInterest`	$17.09M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.74B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.76B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.75B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$1.70B	USD	Point-in-time
Ending Balance	`StockholdersEquity`	$1.69B	USD	Point-in-time

Comprehensive Income 62 line items

Line Item	Tag	Value	Unit	Period
Net Earnings	`ProfitLoss`	$131.90M	USD	Annual
Unrealized holding gains (losses) arising during the period, income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$304.00K	USD	Annual
Net Earnings	`ProfitLoss`	$42.45M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$26.45M	USD	1 Quarter
Unrealized holding gains (losses) arising during the period, income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$963.00K	USD	Annual
Net Earnings	`ProfitLoss`	$41.23M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$-50.59M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$101.28M	USD	Annual
Net Earnings	`ProfitLoss`	$18.80M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$78.33M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$95.42M	USD	Annual
Net Earnings	`ProfitLoss`	$-51.54M	USD	1 Quarter
Net Earnings	`ProfitLoss`	$91.57M	USD	1 Quarter
Unrealized holding gains (losses) arising during the period, income tax (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$10.93M	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$6.82M	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$8.64M	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$970.00K	USD	Annual
Experience gain (loss), income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-2.64M	USD	Annual
Experience gain (loss), income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-7.22M	USD	Annual
Experience gain (loss), income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$919.00K	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$474.00K	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-1.92M	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-2.15M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$2.83M	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$-2.50M	USD	Annual
Unrealized holding gains (losses) arising during the period, net of income tax (expense) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$17.23M	USD	Annual
Change in fair market value, income tax (expense)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$145.00K	USD	Annual
Change in fair market value, income tax (expense)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$388.00K	USD	Annual
Change in fair market value, income tax (expense)	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax`	$-341.00K	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$13.50M	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$10.75M	USD	Annual
Reclassification adjustment for (gains) included in net earnings (loss), net of income tax expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$2.85M	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-298.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-56.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax`	$-225.00K	USD	Annual
Experience gain (loss), net of income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$2.70M	USD	Annual
Experience gain (loss), net of income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-7.75M	USD	Annual
Experience gain (loss), net of income tax (expense) benefit	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-11.28M	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-3.95M	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.65M	USD	Annual
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-3.36M	USD	Annual
Change in fair market value, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$612.00K	USD	Annual
Change in fair market value, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-533.00K	USD	Annual
Change in fair market value, net of income tax (expense) benefit	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$425.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-356.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-160.00K	USD	Annual
Reclassification adjustment for (gains) losses included in net earnings (loss), net of income tax expense (benefit)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-466.00K	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-21.02M	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$14.10M	USD	Annual
Total Other Comprehensive Income (Loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.54M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$110.88M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$99.75M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$109.52M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$14.52M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.11M	USD	Annual
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$15.02M	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Preferred Stock Dividend Requirements of Subsidiary	`DividendsPreferredStock`	$528.00K	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$93.97M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$95.83M	USD	Annual
Comprehensive Income Attributable to PNMR	`ComprehensiveIncomeNetOfTax`	$84.11M	USD	Annual

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