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Related Party Transactions | 6 Months Ended
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Jun. 30, 2021
Related Party Transactions [Abstract] |
Related Party Transactions | Related Party TransactionsPNMR, PNM, TNMP, and NMRD are considered related parties, 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. In addition, PNMR provides construction and operations and maintenance services to NMRD, a 50% owned subsidiary of PNMR Development. PNM purchases renewable energy from certain NMRD-owned facilities at a fixed price per MWh of energy produced. PNM also provides interconnection services to PNMR Development and NMRD. See Note 16 for additional discussion of NMRD. The table below summarizes the nature and amount of related party transactions of PNMR, PNM, TNMP, and NMRD:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
| (In thousands)
Services billings: |  |  |  |  |  |  |
PNMR to PNM | $ | 26,150 |  |  | $ | 24,521 |  |  | $ | 52,375 |  |  | $ | 46,644 |
PNMR to TNMP | 10,135 |  |  | 9,703 |  |  | 20,500 |  |  | 18,430 |
PNM to TNMP | 94 |  |  | 113 |  |  | 212 |  |  | 189 |
TNMP to PNMR | 12 |  |  | 35 |  |  | 24 |  |  | 70 |
PNMR to NMRD | 55 |  |  | 49 |  |  | 110 |  |  | 125 |
Renewable energy purchases: |  |  |  |  |  |  |
PNM from NMRD | 3,504 |  |  | 2,404 |  |  | 6,089 |  |  | 3,923 |
Interconnection billings: |  |  |  |  |  |  |
PNM to NMRD | — |  |  | 130 |  |  | — |  |  | 350 |
PNM to PNMR | — |  |  | — |  |  | — |  |  | — |
NMRD to PNM | — |  |  | — |  |  | 1,276 |  |  | — |
Interest billings: |  |  |  |  |  |  |
PNMR to PNM | — |  |  | 6 |  |  | — |  |  | 6 |
PNM to PNMR | 36 |  |  | 77 |  |  | 72 |  |  | 158 |
PNMR to TNMP | — |  |  | 1 |  |  | — |  |  | 2 |
Income tax sharing payments: |  |  |  |  |  |  |
PNMR to PNM | — |  |  | — |  |  | — |  |  | — |
TNMP to PNMR | — |  |  | — |  |  | — |  |  | — |

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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