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v3.22.2.2

Segment Information - Schedule of Gross Margin (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | $ 269,221 | $ 237,097 | $ 593,647 | $ 520,664
Transmission and distribution costs | 21,538 | 19,996 | 61,160 | 56,166
Depreciation and amortization | 70,321 | 65,704 | 210,046 | 194,807
Utility margin | 395,549 | 355,171 | 975,387 | 878,346
Energy Production |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Energy production costs | 34,469 | 32,374 | 110,534 | 106,709
Public Service Company of New Mexico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | 201,607 | 176,730 | 421,327 | 378,403
Transmission and distribution costs | 12,549 | 12,844 | 37,678 | 34,906
Depreciation and amortization | 45,361 | 42,673 | 137,132 | 127,111
Utility margin | 293,986 | 264,621 | 706,671 | 647,129
Public Service Company of New Mexico | Energy Production |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Energy production costs | 34,469 | 32,374 | 110,534 | 106,709
Texas-New Mexico Power Company |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | 67,614 | 60,367 | 172,320 | 142,261
Transmission and distribution costs | 8,989 | 7,152 | 23,482 | 21,260
Depreciation and amortization | 24,960 | 23,031 | 72,914 | 67,696
Utility margin | 101,563 | 90,550 | 268,716 | 231,217
Texas-New Mexico Power Company | Energy Production |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Energy production costs | 0 | 0 | 0 | 0
Corporate and Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gross margin | 0 | 0 | 0 | 0
Transmission and distribution costs | 0 | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0 | 0
Utility margin | 0 | 0 | 0 | 0
Corporate and Other | Energy Production |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Energy production costs | $ 0 | $ 0 | $ 0 | $ 0

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