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v3.20.4

Quarterly Operating Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues | $ 359,276 | $ 472,465 | $ 357,649 | $ 333,622 | $ 344,144 | $ 433,586 | $ 330,228 | $ 349,645 | $ 1,523,012 | $ 1,457,603 | $ 1,436,613
Operating income (loss) | 18,588 | 147,805 | 71,150 | 47,738 | 60,552 | 140,540 | (93,615) | 36,723 | 285,281 | 144,200 | 236,047
Net earnings (loss) | 11,701 | 125,453 | 61,561 | (11,399) | 35,989 | 106,763 | (72,283) | 21,662 | $ 187,316 | $ 92,131 | $ 101,282
Net Earnings Attributable to PNMR | $ 8,778 | $ 121,768 | $ 57,489 | $ (15,260) | $ 31,805 | $ 102,771 | $ (75,914) | $ 18,700 |  |  |
Net Earnings Attributable to PNMR per Common Share: |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 0.11 | $ 1.52 | $ 0.72 | $ (0.19) | $ 0.40 | $ 1.29 | $ (0.95) | $ 0.23 | $ 2.16 | $ 0.97 | $ 1.07
Diluted (in dollars per share) | $ 0.10 | $ 1.52 | $ 0.72 | $ (0.19) | $ 0.40 | $ 1.28 | $ (0.95) | $ 0.23 | $ 2.15 | $ 0.97 | $ 1.07
Income taxes (benefit) |  |  |  |  |  |  |  |  | $ 20,636 | $ (25,282) | $ 7,775
Public Service Company of New Mexico |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues | $ 266,409 | $ 364,504 | $ 260,788 | $ 248,133 | $ 255,172 | $ 331,113 | $ 238,219 | $ 269,318 | 1,139,834 | 1,093,822 | 1,091,965
Operating income (loss) | 15,168 | 116,540 | 49,584 | 33,605 | 44,299 | 108,453 | (115,977) | 24,293 | 214,897 | 61,068 | 145,033
Net earnings (loss) | 19,594 | 103,004 | 49,612 | (12,196) | 32,040 | 84,721 | (83,313) | 21,974 | 160,014 | 55,422 | 70,323
Net Earnings Attributable to PNMR | 16,803 | 99,451 | 45,672 | (15,925) | 27,988 | 80,861 | (86,812) | 19,144 | 146,001 | 41,181 | 55,211
Net Earnings Attributable to PNMR per Common Share: |  |  |  |  |  |  |  |  |  |  |
Income taxes (benefit) |  |  |  |  |  |  |  |  | 21,857 | (25,962) | (5,971)
Texas-New Mexico Power Company |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Revenues | 92,867 | 107,961 | 96,861 | 85,489 | 88,972 | 102,473 | 92,009 | 80,327 | 383,178 | 363,781 | 344,648
Operating income (loss) | 19,154 | 31,779 | 23,175 | 14,345 | 18,055 | 32,596 | 22,578 | 12,585 | 88,453 | 85,814 | 96,497
Net Earnings Attributable to PNMR | 11,398 | $ 23,921 | $ 16,174 | $ 7,092 | 11,347 | $ 25,087 | $ 15,267 | $ 4,098 | 58,585 | 55,799 | 51,591
Net Earnings Attributable to PNMR per Common Share: |  |  |  |  |  |  |  |  |  |  |
Income taxes (benefit) |  |  |  |  |  |  |  |  | 6,308 | 5,046 | $ 16,880
New Mexico 2015 Rate Case | Public Service Company of New Mexico |  |  |  |  |  |  |  |  |  |  |
Net Earnings Attributable to PNMR per Common Share: |  |  |  |  |  |  |  |  |  |  |
Pre-tax impairment of investments | $ 150,600 |  |  |  | $ 150,600 |  |  |  | 150,600 | 150,600 |
Income taxes (benefit) |  |  |  |  |  |  |  |  | $ 45,700 | $ (45,700) |

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