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Related Party Transactions | 12 Months Ended
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Dec. 31, 2017
Related Party Transactions [Abstract] |
Related Party Transactions | Related Party Transactions PNMR, PNM, and TNMP are considered related parties as defined under GAAP, as is PNMR Services Company, a wholly-owned subsidiary of PNMR that provides corporate services to PNMR and its subsidiaries in accordance with shared services agreements. These services are billed at cost on a monthly basis to the business units. PNMR files a consolidated federal income tax return with its affiliated companies. A tax allocation agreement exists between PNMR and each of its affiliated companies. These agreements provide that the subsidiary company will compute its taxable income on a stand-alone basis. If the result is a net tax liability, such amount shall be paid to PNMR. If there are net operating losses and/or tax credits, the subsidiary shall receive payment for the tax savings from PNMR to the extent that PNMR is able to utilize those benefits. See Note 6 for information on intercompany borrowing arrangements. The table below summarizes the nature and amount of related party transactions of PNMR, PNM and TNMP:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
|  |  | (In thousands) |  |
Services billings: |  |  |  |  |
PNMR to PNM | $ | 97,914 |  |  | $ | 94,606 |  |  | $ | 90,827 |
PNMR to TNMP | 31,095 |  |  | 28,907 |  |  | 28,109 |
PNM to TNMP | 382 |  |  | 427 |  |  | 554 |
TNMP to PNMR | 141 |  |  | 66 |  |  | 41 |
TNMP to PNM | 154 |  |  | 172 |  |  | — |
Interest billings: |  |  |  |  |
PNMR to PNM | 21 |  |  | 11 |  |  | 54 |
PNM to PNMR | 220 |  |  | 150 |  |  | 110 |
PNMR to TNMP | 133 |  |  | 132 |  |  | 276 |
Income tax sharing payments: |  |  |  |  |
PNMR to TNMP | — |  |  | — |  |  | — |
PNMR to PNM | 23,391 |  |  | — |  |  | 1,450 |
TNMP to PNMR | 20,686 |  |  | — |  |  | — |

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- References No definition available. + Details
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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
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