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Pension and Other Postretirement Benefits - Pension Benefit Payments are Expected to be Paid (Details) $ in Thousands | Dec. 31, 2017 USD ($)
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Public Service Company of New Mexico | Pension Plan |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | $ 49,221
2019 | 48,639
2020 | 47,069
2021 | 45,246
2022 | 44,232
2023 - 2027 | 201,389
Public Service Company of New Mexico | Other Postretirement Benefits |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | 7,829
2019 | 7,730
2020 | 7,605
2021 | 7,442
2022 | 7,132
2023 - 2027 | 31,250
Public Service Company of New Mexico | Executive Retirement Program |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | 1,501
2019 | 1,473
2020 | 1,441
2021 | 1,405
2022 | 1,363
2023 - 2027 | 6,014
Texas-New Mexico Power Company | Pension Plan |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | 5,929
2019 | 5,215
2020 | 5,108
2021 | 5,373
2022 | 4,856
2023 - 2027 | 22,085
Texas-New Mexico Power Company | Other Postretirement Benefits |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | 708
2019 | 725
2020 | 748
2021 | 774
2022 | 795
2023 - 2027 | 4,126
Texas-New Mexico Power Company | Executive Retirement Program |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2018 | 93
2019 | 91
2020 | 89
2021 | 85
2022 | 81
2023 - 2027 | $ 324

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