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Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Net Earnings | $ 17,852 us-gaap_ProfitLoss | $ 16,131 us-gaap_ProfitLoss
Net earnings | 14,340 us-gaap_NetIncomeLoss | 12,468 us-gaap_NetIncomeLoss
Unrealized Gain on Available-for-Sale Securities: |  |
Unrealized holding gains arising during the period, net of income tax (expense) | 4,157 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | 2,047 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Reclassification adjustment for (gains) included in net earnings, net of income tax expense | (2,537)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | (1,972)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Pension Liability Adjustment: |  |
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax expense (benefit) | 905 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax | 780 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
Fair Value Adjustment for Cash Flow Hedges: |  |
Change in fair market value, net of income tax (expense) benefit | 0 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax | (100)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax | 36 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
Net change after income taxes | 2,525 us-gaap_OtherComprehensiveIncomeLossNetOfTax | 791 us-gaap_OtherComprehensiveIncomeLossNetOfTax
Comprehensive Income | 20,377 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest | 16,922 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive (Income) Attributable to Valencia Non-controlling Interest | (3,380)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | (3,531)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Preferred Stock Dividend Requirements of Subsidiary | (132)pnm_PreferredStockDividendRequirementsOfSubsidiary | (132)pnm_PreferredStockDividendRequirementsOfSubsidiary
Comprehensive Income Attributable to PNMR | 16,865 us-gaap_ComprehensiveIncomeNetOfTax | 13,259 us-gaap_ComprehensiveIncomeNetOfTax
Public Service Company of New Mexico [Member] |  |
Net Earnings | 13,502 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 11,205 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Net earnings | 10,122 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 7,674 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Unrealized Gain on Available-for-Sale Securities: |  |
Unrealized holding gains arising during the period, net of income tax (expense) | 4,157 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 2,047 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Reclassification adjustment for (gains) included in net earnings, net of income tax expense | (2,537)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | (1,972)us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Pension Liability Adjustment: |  |
Reclassification adjustment for amortization of experience (gain) loss recognized as net periodic benefit cost, net of income tax expense (benefit) | 905 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 780 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Fair Value Adjustment for Cash Flow Hedges: |  |
Net change after income taxes | 2,525 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 855 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Comprehensive Income | 16,027 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 12,060 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Comprehensive (Income) Attributable to Valencia Non-controlling Interest | (3,380)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | (3,531)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Comprehensive Income Attributable to PNMR | 12,647 us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember | 8,529 us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_PublicServiceCompanyOfNewMexicoMember
Texas-New Mexico Power Company [Member] |  |
Net Earnings | 7,694 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | 6,803 us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember
Net earnings | 7,694 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | 6,803 us-gaap_NetIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember
Fair Value Adjustment for Cash Flow Hedges: |  |
Change in fair market value, net of income tax (expense) benefit | 0 us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | (100)us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) | 0 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | 36 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember
Net change after income taxes | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | (64)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember
Comprehensive Income Attributable to PNMR | $ 7,694 us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember | $ 6,739 us-gaap_ComprehensiveIncomeNetOfTax / us-gaap_StatementBusinessSegmentsAxis = pnm_TexasNewMexicoPowerCompanyMember

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