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Quarterly Operating Results (Unaudited) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Data [Abstract] |
Quarterly Operating Results (Unaudited) | Quarterly Operating Results (Unaudited) Unaudited operating results by quarters for 2020 and 2019 are presented below. In the opinion of management of the Company, all adjustments (consisting of normal recurring accruals) necessary for a fair statement of the results of operations for such periods have been included. The annual results of basic and diluted earnings per share shown below may be impacted by rounding.
| Quarter Ended |
| March 31 |  | June 30 |  | September 30 |  | December 31 |
| (In thousands, except per share amounts) |
PNMR |  |  |  |  |  |  |  |
2020 |  |  |  |  |  |  |  |
Operating revenues | $ | 333,622 |  |  | $ | 357,649 |  |  | $ | 472,465 |  |  | $ | 359,276 |  |
Operating income | 47,738 |  |  | 71,150 |  |  | 147,805 |  |  | 18,588 |  |
Net earnings (loss) | (11,399) |  |  | 61,561 |  |  | 125,453 |  |  | 11,701 |  |
Net earnings (loss) attributable to PNMR | (15,260) |  |  | 57,489 |  |  | 121,768 |  |  | 8,778 |  |
Net earnings (loss) attributable to PNMR per common share: |  |  |  |  |  |  |  |
Basic | (0.19) |  |  | 0.72 |  |  | 1.52 |  |  | 0.11 |  |
Diluted | (0.19) |  |  | 0.72 |  |  | 1.52 |  |  | 0.10 |  |
2019 |  |  |  |  |  |  |  | (1)
Operating revenues | $ | 349,645 |  |  | $ | 330,228 |  |  | $ | 433,586 |  |  | $ | 344,144 |  |
Operating income (loss) | 36,723 |  |  | (93,615) |  |  | 140,540 |  |  | 60,552 |  |
Net earnings (loss) | 21,662 |  |  | (72,283) |  |  | 106,763 |  |  | 35,989 |  |
Net earnings (loss) attributable to PNMR | 18,700 |  |  | (75,914) |  |  | 102,771 |  |  | 31,805 |  |
Net earnings attributable to PNMR per common share: |  |  |  |  |  |  |  |
Basic | 0.23 |  |  | (0.95) |  |  | 1.29 |  |  | 0.40 |  |
Diluted | 0.23 |  |  | (0.95) |  |  | 1.28 |  |  | 0.40 |  |
PNM |  |  |  |  |  |  |  |
2020 |  |  |  |  |  |  |  |
Operating revenues | $ | 248,133 |  |  | $ | 260,788 |  |  | $ | 364,504 |  |  | $ | 266,409 |  |
Operating income | 33,605 |  |  | 49,584 |  |  | 116,540 |  |  | 15,168 |  |
Net earnings (loss) | (12,196) |  |  | 49,612 |  |  | 103,004 |  |  | 19,594 |  |
Net earnings (loss) attributable to PNM | (15,925) |  |  | 45,672 |  |  | 99,451 |  |  | 16,803 |  |
2019 |  |  |  |  |  |  |  | (1)
Operating revenues | $ | 269,318 |  |  | $ | 238,219 |  |  | $ | 331,113 |  |  | $ | 255,172 |  |
Operating income (loss) | 24,293 |  |  | (115,977) |  |  | 108,453 |  |  | 44,299 |  |
Net earnings (loss) | 21,974 |  |  | (83,313) |  |  | 84,721 |  |  | 32,040 |  |
Net earnings (loss) attributable to PNM | 19,144 |  |  | (86,812) |  |  | 80,861 |  |  | 27,988 |  |
TNMP |  |  |  |  |  |  |  |
2020 |  |  |  |  |  |  |  |
Operating revenues | $ | 85,489 |  |  | $ | 96,861 |  |  | $ | 107,961 |  |  | $ | 92,867 |  |
Operating income | 14,345 |  |  | 23,175 |  |  | 31,779 |  |  | 19,154 |  |
Net earnings | 7,092 |  |  | 16,174 |  |  | 23,921 |  |  | 11,398 |  |
2019 |  |  |  |  |  |  |  |
Operating revenues | $ | 80,327 |  |  | $ | 92,009 |  |  | $ | 102,473 |  |  | $ | 88,972 |  |
Operating income | 12,585 |  |  | 22,578 |  |  | 32,596 |  |  | 18,055 |  |
Net earnings | 4,098 |  |  | 15,267 |  |  | 25,087 |  |  | 11,347 |  |
(1) 2019 reflects pre-tax impairments of $150.6 million offset by $45.7 million of related tax impacts resulting from the NM Supreme Court’s ruling on the appeals in the NM 2015 Rate Case. See Note 17.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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