$TXNM
TXNM ENERGY INC Stock $txnm

$txnm Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000110842619000060 Filed on November 01, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q3
Revenue	$344.1M	$433.6M	$422.7M
YoY Change	0.11%	2.58%	0.66%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$46.40M	$47.60M	$50.00M
YoY Change	-1.07%	-4.8%	13.38%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$75.90M	$77.10M	$70.40M
YoY Change	11.29%	9.52%	2.92%
% of Gross Profit
Operating Expenses	$283.1M	$293.0M	$296.2M
YoY Change	-4.29%	-1.08%	7.59%
Operating Profit	$60.55M	$140.5M	$128.0M
YoY Change	-447.92%	9.81%	-10.17%
Interest Expense	-$16.40M	$30.36M	$30.49M
YoY Change	-63.56%	-0.44%	-5.03%
% of Operating Profit	-27.08%	21.6%	23.82%
Other Income/Expense, Net	-$1.000M	$3.612M	$2.624M
YoY Change	400.0%	37.65%	-60.89%
Pretax Income	$43.10M	$116.0M	$104.5M
YoY Change	-168.85%	10.99%	-13.71%
Income Tax	$7.100M	$9.188M	$12.90M
% Of Pretax Income	16.47%	7.92%	12.35%
Net Earnings	$31.81M	$102.8M	$87.52M
YoY Change	-157.75%	17.42%	18.69%
Net Earnings / Revenue	9.24%	23.7%	20.71%
Basic Earnings Per Share	$0.40	$1.29	$1.10
Diluted Earnings Per Share	$0.40	$1.28	$1.09
COMMON SHARES
Basic Shares Outstanding	79.65B shares	79.95M shares	79.87M shares
Diluted Shares Outstanding		80.00M shares	79.98M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.800M	$20.10M	$35.00M
YoY Change	80.95%	-42.57%	-18.79%
Cash & Equivalents	$3.833M	$20.09M	$34.96M
Short-Term Investments
Other Short-Term Assets	$44.47M	$48.76M	$53.07M
YoY Change	-18.86%	-8.12%	-5.94%
Inventory	$77.93M	$77.74M	$75.23M
Prepaid Expenses
Receivables	$85.89M	$115.4M	$108.6M
Other Receivables	$17.10M	$18.30M	$29.90M
Total Short-Term Assets	$294.0M	$341.2M	$363.9M
YoY Change	-2.81%	-6.25%	-2.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$5.610B	$5.495B	$5.167B
YoY Change	7.1%	6.35%	1.41%
Goodwill	$278.3M	$278.3M	$278.3M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$65.16M	$56.08M	$26.03M
YoY Change	145.29%	115.47%	-91.52%
Other Assets	$662.4M	$660.7M	$681.4M
YoY Change	-4.22%	-3.04%	15.86%
Total Long-Term Assets	$7.005B	$6.860B	$6.485B
YoY Change	6.73%	5.78%	2.57%
TOTAL ASSETS
Total Short-Term Assets	$294.0M	$341.2M	$363.9M
Total Long-Term Assets	$7.005B	$6.860B	$6.485B
Total Assets	$7.299B	$7.201B	$6.849B
YoY Change	6.31%	5.14%	2.27%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$103.1M	$81.68M	$72.57M
YoY Change	-8.07%	12.56%	-19.26%
Accrued Expenses	$105.9M	$101.8M	$80.20M
YoY Change	62.42%	26.93%	-3.72%
Deferred Revenue	$10.59M	$10.73M	$10.83M
YoY Change	-1.03%	-0.95%
Short-Term Debt	$185.1M	$289.6M	$262.6M
YoY Change	-21.53%	10.28%	-1.46%
Long-Term Debt Due	$490.3M	$385.2M	$471.9M
YoY Change		-18.36%	185.45%
Total Short-Term Liabilities	$967.5M	$945.7M	$980.5M
YoY Change	88.79%	-3.54%	37.92%
LONG-TERM LIABILITIES
Long-Term Debt	$2.517B	$2.467B	$2.143B
YoY Change	-5.72%	15.14%	-6.12%
Other Long-Term Liabilities	$1.427B	$1.422B	$1.292B
YoY Change	8.29%	10.1%	53.15%
Total Long-Term Liabilities	$2.517B	$2.467B	$2.143B
YoY Change	-5.72%	15.14%	-6.12%
TOTAL LIABILITIES
Total Short-Term Liabilities	$967.5M	$945.7M	$980.5M
Total Long-Term Liabilities	$2.517B	$2.467B	$2.143B
Total Liabilities	$5.545B	$5.454B	$5.001B
YoY Change	8.7%	9.07%	3.06%
SHAREHOLDERS EQUITY
Retained Earnings	$627.5M	$620.2M	$722.1M
YoY Change	-2.55%	-14.11%	4.45%
Common Stock	$1.151B	$1.150B	$1.151B
YoY Change	-0.22%	-0.09%	-0.54%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.679B	$1.671B	$1.771B
YoY Change
Total Liabilities & Shareholders Equity	$7.299B	$7.201B	$6.849B
YoY Change	6.31%	5.14%	2.27%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q3
OPERATING ACTIVITIES
Net Income	$31.81M	$102.8M	$87.52M
YoY Change	-157.75%	17.42%	18.69%
Depreciation, Depletion And Amortization	$75.90M	$77.10M	$70.40M
YoY Change	11.29%	9.52%	2.92%
Cash From Operating Activities	$151.9M	$179.4M	$183.0M
YoY Change	36.48%	-1.97%	-15.16%
INVESTING ACTIVITIES
Capital Expenditures	-$171.4M	-$151.8M	-$119.9M
YoY Change	26.31%	26.61%	-2.12%
Acquisitions
YoY Change
Other Investing Activities	-$18.20M	-$20.40M	-$6.300M
YoY Change	34.81%	223.81%	-191.3%
Cash From Investing Activities	-$189.6M	-$172.2M	-$126.2M
YoY Change	27.08%	36.45%	9.17%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	21.40M	8.600M	-26.70M
YoY Change	328.0%	-132.21%	-54.82%
NET CHANGE
Cash From Operating Activities	151.9M	179.4M	183.0M
Cash From Investing Activities	-189.6M	-172.2M	-126.2M
Cash From Financing Activities	21.40M	8.600M	-26.70M
Net Change In Cash	-16.30M	15.80M	30.10M
YoY Change	-50.46%	-47.51%	-26.59%
FREE CASH FLOW
Cash From Operating Activities	$151.9M	$179.4M	$183.0M
Capital Expenditures	-$171.4M	-$151.8M	-$119.9M
Free Cash Flow	$323.3M	$331.2M	$302.9M
YoY Change	30.89%	9.34%	-10.44%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Central Index Key EntityCentralIndexKey	0001108426
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Entity File Number EntityFileNumber	001-32462
	dei	Entity Registrant Name EntityRegistrantName	PNM Resources, Inc.
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	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	85-0468296
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NM
	dei	Entity Address Address Line1 EntityAddressAddressLine1	414 Silver Ave. SW
	dei	Entity Address City Or Town EntityAddressCityOrTown	Albuquerque
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NM
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	87102-3289
	dei	City Area Code CityAreaCode	505
	dei	Local Phone Number LocalPhoneNumber	241-2700
	dei	Security12b Title Security12bTitle	Common Stock, no par value
	dei	Trading Symbol TradingSymbol	PNM
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.09
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.57
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.76
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.290
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.265
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.870
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.795
CY2019Q3	us-gaap	Profit Loss ProfitLoss	106763000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	91573000	USD
	us-gaap	Profit Loss ProfitLoss	56141000	USD
	us-gaap	Profit Loss ProfitLoss	152821000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5347000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1044000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	17237000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2142000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	5194000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	266000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	9372000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2598000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-1381000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-1410000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-4143000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-4236000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-369000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	8000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2733000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1813000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-136000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-81000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-528000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-75000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1301000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2277000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9803000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5668000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	108064000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	93850000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	65944000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	158489000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3860000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3920000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	10188000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	11706000	USD
CY2019Q3	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	132000	USD
CY2018Q3	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	132000	USD
	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	396000	USD
	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	396000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	104072000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	89798000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	55360000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	146387000	USD
	us-gaap	Profit Loss ProfitLoss	56141000	USD
	us-gaap	Profit Loss ProfitLoss	152821000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	225182000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	207406000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-33220000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18706000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	20299000	USD
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1081000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	5424000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4551000	USD
	pnm	Regulatory Disallowance And Restructuring Charges RegulatoryDisallowanceAndRestructuringCharges	150599000	USD
	pnm	Regulatory Disallowance And Restructuring Charges RegulatoryDisallowanceAndRestructuringCharges	149000	USD
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	6714000	USD
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	7098000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1945000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2631000	USD
	pnm	Increase Decrease In Accounts Receivable And Unbilled Revenues IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues	24698000	USD
	pnm	Increase Decrease In Accounts Receivable And Unbilled Revenues IncreaseDecreaseInAccountsReceivableAndUnbilledRevenues	20447000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5908000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8731000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	1851000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	13657000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-33284000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2608000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-5469000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-32638000	USD
	pnm	Increase Decrease In Accrued Interest And Taxes IncreaseDecreaseInAccruedInterestAndTaxes	12182000	USD
	pnm	Increase Decrease In Accrued Interest And Taxes IncreaseDecreaseInAccruedInterestAndTaxes	17113000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-2530000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	4220000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-32812000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-9656000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	351256000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	316897000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	444920000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	365484000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	375382000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	911899000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	385313000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	920217000	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	0	USD
	us-gaap	Proceeds From Principal Repayments On Loans And Leases Held For Investment ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment	56640000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	29250000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	9000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	192000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	365000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-484293000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-326527000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	53700000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-42800000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	555000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	829652000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	372302000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	650162000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	943000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	937000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9897000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12505000	USD
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	69695000	USD
	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	63721000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	10225000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	12677000	USD
	pnm	Proceeds From Transmission Interconnection And Security Deposit Arrangements ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements	8340000	USD
	pnm	Proceeds From Transmission Interconnection And Security Deposit Arrangements ProceedsFromTransmissionInterconnectionAndSecurityDepositArrangements	0	USD
	pnm	Repayments From Transmission Interconnection Arrangement RepaymentsFromTransmissionInterconnectionArrangement	2246000	USD
	pnm	Repayments From Transmission Interconnection Arrangement RepaymentsFromTransmissionInterconnectionArrangement	2246000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2609000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-5858000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	151009000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	40620000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17972000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	30990000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2122000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3974000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	20094000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	34964000	USD
	pnm	Interest Paid Net Of Capitalized Interest And Net Of Debt Allowance For Funds Used During Construction InterestPaidNetOfCapitalizedInterestAndNetOfDebtAllowanceForFundsUsedDuringConstruction	85721000	USD
	pnm	Interest Paid Net Of Capitalized Interest And Net Of Debt Allowance For Funds Used During Construction InterestPaidNetOfCapitalizedInterestAndNetOfDebtAllowanceForFundsUsedDuringConstruction	81203000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2929000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	842000	USD
	pnm	Increase Decreaseincapitalexpendituresincurredbutnotyetpaid IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid	25023000	USD
	pnm	Increase Decreaseincapitalexpendituresincurredbutnotyetpaid IncreaseDecreaseincapitalexpendituresincurredbutnotyetpaid	16177000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	20094000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2122000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	115448000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	92800000	USD
CY2019Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	57146000	USD
CY2018Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	57092000	USD
CY2019Q3	us-gaap	Other Receivables OtherReceivables	14058000	USD
CY2018Q4	us-gaap	Other Receivables OtherReceivables	11369000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	77742000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	71834000	USD
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	3678000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	4534000	USD
CY2019Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	4237000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	7965000	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	48761000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	54808000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	341164000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	302524000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	369017000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	328242000	USD
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	56084000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	26564000	USD
CY2019Q3	us-gaap	Other Long Term Investments OtherLongTermInvestments	240000	USD
CY2018Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	297000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	10633000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Other Net PropertyPlantAndEquipmentOtherNet	3404000	USD
CY2019Q3	pnm	Total Other Property And Investments TotalOtherPropertyAndInvestments	435974000	USD
CY2018Q4	pnm	Total Other Property And Investments TotalOtherPropertyAndInvestments	358507000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	7680996000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	7548581000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	2688066000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	2604177000	USD
CY2019Q3	pnm	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	4992930000	USD
CY2018Q4	pnm	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	4944404000	USD
CY2019Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	258285000	USD
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	194427000	USD
CY2019Q3	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	95916000	USD
CY2018Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	95798000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	5347131000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	5234629000	USD
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	566314000	USD
CY2018Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	598930000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	278297000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	278297000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	137637000	USD
CY2019Q3	pnm	Other Deferred Costs Net Including Deferred Finance Costs OtherDeferredCostsNetIncludingDeferredFinanceCosts	94415000	USD
CY2018Q4	pnm	Other Deferred Costs Net Including Deferred Finance Costs OtherDeferredCostsNetIncludingDeferredFinanceCosts	92664000	USD
CY2019Q3	pnm	Total Deferred Charges And Other Assets TotalDeferredChargesAndOtherAssets	1076663000	USD
CY2018Q4	pnm	Total Deferred Charges And Other Assets TotalDeferredChargesAndOtherAssets	969891000	USD
CY2019Q3	us-gaap	Assets Assets	7200932000	USD
CY2018Q4	us-gaap	Assets Assets	6865551000	USD
CY2019Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	289600000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	235900000	USD
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	385227000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2019Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	81679000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	112170000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	10730000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	10695000	USD
CY2019Q3	pnm	Accrued Interest And Taxes Payable AccruedInterestAndTaxesPayable	73610000	USD
CY2018Q4	pnm	Accrued Interest And Taxes Payable AccruedInterestAndTaxesPayable	65156000	USD
CY2019Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	6938000	USD
CY2018Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	9446000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	28204000	USD
CY2019Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	23231000	USD
CY2018Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	23231000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	46510000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	55855000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	945729000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	512453000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2467002000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2670111000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	614011000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	600719000	USD
CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	871132000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	891428000	USD
CY2019Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	179646000	USD
CY2018Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	158674000	USD
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	88335000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	100375000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	106621000	USD
CY2019Q3	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	181839000	USD
CY2018Q4	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	167668000	USD
CY2019Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	2041584000	USD
CY2018Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1918864000	USD
CY2019Q3	us-gaap	Liabilities Liabilities	5454315000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	5101428000	USD
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q3	pnm	Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements	11529000	USD
CY2018Q4	pnm	Cumulative Preferred Stock Of Subsidiary Without Mandatory Redemption Requirements CumulativePreferredStockOfSubsidiaryWithoutMandatoryRedemptionRequirements	11529000	USD
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	1149583000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	1153113000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-98881000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-108684000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	620211000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	643953000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	1670913000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	1688382000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	64175000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	64212000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1735088000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1752594000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7200932000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6865551000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1674740000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	106763000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1301000	USD
CY2019Q3	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	132000	USD
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	46200000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	898000	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2277000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1735088000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1752594000	USD
	us-gaap	Profit Loss ProfitLoss	56141000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9803000	USD
	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	396000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	69299000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	943000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9897000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5424000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10225000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1735088000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1788315000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	91573000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2277000	USD
CY2018Q3	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	132000	USD
CY2018Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	42217000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	13000	USD
CY2018Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	237000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1226000	USD
CY2018Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4296000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1836522000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1761448000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	1761448000	USD
	us-gaap	Profit Loss ProfitLoss	152821000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5668000	USD
	pnm	Preferred Stock Dividend Requirements Of Subsidiary PreferredStockDividendRequirementsOfSubsidiary	396000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	63325000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	937000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	12505000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4551000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	12677000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1836522000	USD
CY2019Q3	pnm	Collaborative Arrangement Owner Obligations Default Amount CollaborativeArrangementOwnerObligationsDefaultAmount	0	USD
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.290
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.265
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.290
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.265
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2019Q3	pnm	Gross Margin GrossMargin	324850000	USD
CY2019Q3	pnm	Other Operating Expenses OtherOperatingExpenses	115960000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	68350000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	140540000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	3440000	USD
CY2019Q3	pnm	Other Income Deductions Excluding Interest OtherIncomeDeductionsExcludingInterest	2330000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	30359000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115951000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9188000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	106763000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3860000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	132000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	102771000	USD
	pnm	Gross Margin GrossMargin	799313000	USD
	pnm	Other Operating Expenses OtherOperatingExpenses	515894000	USD
	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	199771000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	83648000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	10489000	USD
	pnm	Other Income Deductions Excluding Interest OtherIncomeDeductionsExcludingInterest	21369000	USD
	us-gaap	Interest Expense InterestExpense	91785000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	23721000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-32420000	USD
	us-gaap	Profit Loss ProfitLoss	56141000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	10188000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	396000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45557000	USD
CY2019Q3	us-gaap	Assets Assets	7200932000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	278297000	USD
CY2018Q3	pnm	Gross Margin GrossMargin	309130000	USD
CY2018Q3	pnm	Other Operating Expenses OtherOperatingExpenses	119560000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	61580000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	127990000	USD
CY2018Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	3400000	USD
CY2018Q3	pnm	Other Income Deductions Excluding Interest OtherIncomeDeductionsExcludingInterest	3574000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	30492000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	104472000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12899000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	91573000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3920000	USD
CY2018Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	132000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	87521000	USD
	pnm	Gross Margin GrossMargin	799054000	USD
	pnm	Other Operating Expenses OtherOperatingExpenses	365238000	USD
	us-gaap	Cost Of Goods And Services Sold Depreciation And Amortization CostOfGoodsAndServicesSoldDepreciationAndAmortization	180365000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	253451000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	11862000	USD
	pnm	Other Income Deductions Excluding Interest OtherIncomeDeductionsExcludingInterest	3214000	USD
	us-gaap	Interest Expense InterestExpense	96868000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	171659000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18838000	USD
	us-gaap	Profit Loss ProfitLoss	152821000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	11706000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	396000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	140719000	USD
CY2018Q3	us-gaap	Assets Assets	6848995000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	278297000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	102771000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	87521000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45557000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	140719000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	79654000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	79654000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	79654000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	79654000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	294000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	215000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	265000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	210000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79948000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79869000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79919000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79864000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	53000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	111000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	61000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	126000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	80001000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79980000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79980000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79990000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.29
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.10
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2019Q3	pnm	Number Of Regulated Utilities NumberOfRegulatedUtilities	2	utility
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	418673000	USD
CY2019Q3	us-gaap	Revenues Revenues	433586000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1049287000	USD
	us-gaap	Revenues Revenues	1113458000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	400023000	USD
CY2018Q3	us-gaap	Revenues Revenues	422666000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1042033000	USD
	us-gaap	Revenues Revenues	1092857000	USD
CY2019Q3	us-gaap	Commodity Contract Asset Current CommodityContractAssetCurrent	0	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	349000	USD
	pnm	Contract With Customer Liability Increase From Cash Receipts ContractWithCustomerLiabilityIncreaseFromCashReceipts	5902000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	4516000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	1735000	USD
CY2019Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	900000	USD
CY2018Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	1000000.0	USD
CY2019Q3	pnm	Contract With Customer Liability Net ContractWithCustomerLiabilityNet	0	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	514000	USD
CY2018Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	113000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	4675000	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	5443000	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1011000	USD
CY2018Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2943000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	10916000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2636000	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1525000	USD
CY2018Q3	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	3056000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	15591000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	8079000	USD
CY2019Q3	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	161000	USD
CY2018Q3	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-593000	USD
	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	4708000	USD
	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-6998000	USD
CY2019Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1686000	USD
CY2018Q3	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	2463000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	20299000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1081000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	0	USD
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	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2019Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	3030720000	USD
CY2018Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	2703810000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	81000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.94
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	79000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	11.93
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.22
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2617000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3016000	USD
CY2019Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	24500000	USD
CY2019Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	25000000.0	USD
CY2019Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	40000000.0	USD
CY2019Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	50000000.0	USD
CY2019Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	289600000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	235900000	USD
CY2019Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	4700000	USD
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CY2018Q1	pnm	Public Utilities Percentof Nonfuel Revenue Requirement Change Implemented PublicUtilitiesPercentofNonfuelRevenueRequirementChangeImplemented	0.50
CY2019Q3	pnm	Public Utilitiesexcessreturnonjurisdictionalequitythatwouldrequirerefund PublicUtilitiesexcessreturnonjurisdictionalequitythatwouldrequirerefund	0.005
CY2018Q2	pnm	Public Utilities Unrecovered Investment Revenue PublicUtilitiesUnrecoveredInvestmentRevenue	20200000	USD
CY2019Q3	pnm	Unamortized Cost Of Prepaid Right Of Way Agreements UnamortizedCostOfPrepaidRightOfWayAgreements	60900000	USD
CY2018Q4	pnm	Unamortized Cost Of Prepaid Right Of Way Agreements UnamortizedCostOfPrepaidRightOfWayAgreements	63000000.0	USD
CY2019Q3	pnm	Amortization Of Prepaid Right Of Way Agreements AmortizationOfPrepaidRightOfWayAgreements	900000	USD
	pnm	Amortization Of Prepaid Right Of Way Agreements AmortizationOfPrepaidRightOfWayAgreements	2800000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	137637000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	157440000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	28204000	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	25189000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	106621000	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	135174000	USD
CY2019Q3	pnm	Finance Lease Right Of Use Asset Gross FinanceLeaseRightOfUseAssetGross	7785000	USD
CY2019Q3	pnm	Finance Lease Right Of Use Asset Accumulated Depreciation FinanceLeaseRightOfUseAssetAccumulatedDepreciation	556000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	7229000	USD
CY2019Q3	pnm	Finance Lease Liability Current Other FinanceLeaseLiabilityCurrentOther	1252000	USD
CY2019Q3	pnm	Finance Lease Liability Deferred Credits Other FinanceLeaseLiabilityDeferredCreditsOther	5637000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y6M18D
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y8M12D
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0389
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0382
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	7725000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	24051000	USD
CY2019Q3	pnm	Operating Lease Capitalized Costs OperatingLeaseCapitalizedCosts	-949000	USD
	pnm	Operating Lease Capitalized Costs OperatingLeaseCapitalizedCosts	-2964000	USD
CY2019Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	6776000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	21087000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	274000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	556000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	54000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	117000	USD
CY2019Q3	pnm	Finance Lease Capitalized Costs FinanceLeaseCapitalizedCosts	-195000	USD
	pnm	Finance Lease Capitalized Costs FinanceLeaseCapitalizedCosts	-391000	USD
CY2019Q3	pnm	Finance Lease Cost FinanceLeaseCost	133000	USD
	pnm	Finance Lease Cost FinanceLeaseCost	282000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	32000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	64000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	68000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	263000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	7009000	USD
	us-gaap	Lease Cost LeaseCost	21696000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	27225000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	45000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	189000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	157816000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	7402000	USD
	pnm	Operating Leases Capitalized Financing Costs Investing Activities OperatingLeasesCapitalizedFinancingCostsInvestingActivities	3000000.0	USD
	pnm	Finance Leases Capitalized Financing Costs Investing Activities FinanceLeasesCapitalizedFinancingCostsInvestingActivities	400000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	378000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1574000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1479000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	30662000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1431000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	29316000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1383000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	28473000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	1238000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	19423000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	1762000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	44321000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	7671000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	153769000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	782000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	18944000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	6889000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	134825000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Remainder Of Fiscal Year OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear	31772000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	30404000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	29012000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	28175000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	18868000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	43489000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	181720000	USD
CY2019Q3	pnm	Lessee Operating Lease Unguaranteed Residual Value LesseeOperatingLeaseUnguaranteedResidualValue	22100000	USD
CY2018Q4	pnm	Operating Lease Unguaranteed Residual Value OperatingLeaseUnguaranteedResidualValue	18500000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	100000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	800000	USD
CY2019Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.50

Files In Submission

Name	View Source	Status
0001108426-19-000060-index-headers.html	Edgar Link	pending
0001108426-19-000060-index.html	Edgar Link	pending
0001108426-19-000060.txt	Edgar Link	pending
0001108426-19-000060-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
pnm-20190930.xsd	Edgar Link	pending
pnm-20190930_cal.xml	Edgar Link	unprocessable
pnm-20190930_def.xml	Edgar Link	unprocessable
pnm-20190930_lab.xml	Edgar Link	unprocessable
pnm-20190930_pre.xml	Edgar Link	unprocessable
pnm930201910-q.htm	Edgar Link	pending
pnm930201910-q_htm.xml	Edgar Link	completed
pnm9302019ex101.htm	Edgar Link	pending
pnm9302019ex311.htm	Edgar Link	pending
pnm9302019ex312.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$TXNM
TXNM ENERGY INC Stock $txnm

2019 Q4 Form 10-Q Financial Statement

#000110842619000060 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TXNM TXNM ENERGY INC Stock $txnm

2019 Q4 Form 10-Q Financial Statement

#000110842619000060 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TXNM
TXNM ENERGY INC Stock $txnm