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Related Party Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Services billings: | PNMR to PNM |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | $ 23,190 | $ 22,269 | $ 47,593 | $ 45,003
Services billings: | PNMR to TNMP |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 7,806 | 7,240 | 15,943 | 14,288
Services billings: | PNM to TNMP |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 102 | 104 | 187 | 189
Services billings: | TNMP to PNMR |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 35 | 10 | 70 | 20
Services billings: | TNMP to PNM |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 57 | 88 | 145 | 88
Interest billings: | PNMR to PNM |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 9 | 5 | 11 | 5
Interest billings: | PNMR to TNMP |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 30 | 48 | 60 | 98
Interest billings: | PNM to PNMR |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 49 | 37 | 92 | 73
Income tax sharing payments: | PNMR to PNM |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | 0 | 0 | 0 | 0
Income tax sharing payments: | PNMR to TNMP |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Amount of related party transaction | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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