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Related Party Transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
NMRD |  |  |
Related Party Transaction [Line Items] |  |  |
Ownership percentage | 50.00% |  |
Services billings: | PNMR to PNM |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | $ 124,321 | $ 115,415 | $ 107,747
Services billings: | PNMR to TNMP |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 47,470 | 42,293 | 41,798
Services billings: | PNM to TNMP |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 349 | 411 | 404
Services billings: | TNMP to PNMR |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 141 | 141 | 141
Services billings: | PNMR to NMRD |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 333 | 308 | 221
Renewable energy purchases: | PNM from NMRD |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 12,717 | 11,795 | 11,879
Interconnection and facility study billings: | PNM to NMRD |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 0 | 0 | 225
Interconnection and facility study billings: | NMRD to PNM |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 0 | 0 | 1,276
Interest billings: | PNMR to PNM |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 23 | 13 | 31
Interest billings: | PNMR to TNMP |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 129 | 166 | 0
Interest billings: | PNM to PNMR |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 582 | 249 | 144
Income tax sharing payments: | PNMR to PNM |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 5,338 | 0 | 19,492
Income tax sharing payments: | TNMP to PNMR |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | 15,749 | 8,341 | 12,842
Income tax sharing payments: | PNM to PNMR |  |  |
Related Party Transaction [Line Items] |  |  |
Amount of related party transaction | $ 0 | $ 11,602 | $ 0

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