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Pension and Other Postretirement Benefit Plans Pension Benefit Payments are Expected to be Paid (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012
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Public Service Company of New Mexico [Member] | Executive Retirement Program [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | $ 1,452
2014 | 1,436
2015 | 1,418
2016 | 1,396
2017 | 1,371
Years 2018 - 2022 | 6,340
Public Service Company of New Mexico [Member] | Other Postretirement Benefits [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | 6,123
2014 | 6,327
2015 | 6,450
2016 | 6,668
2017 | 6,780
Years 2018 - 2022 | 34,983
Public Service Company of New Mexico [Member] | Pension Plan [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | 42,186
2014 | 42,979
2015 | 43,573
2016 | 44,092
2017 | 44,608
Years 2018 - 2022 | 223,777
Texas-New Mexico Power Company [Member] | Executive Retirement Program [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | 92
2014 | 91
2015 | 89
2016 | 87
2017 | 85
Years 2018 - 2022 | 371
Texas-New Mexico Power Company [Member] | Other Postretirement Benefits [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | 786
2014 | 796
2015 | 803
2016 | 823
2017 | 838
Years 2018 - 2022 | 4,322
Texas-New Mexico Power Company [Member] | Pension Plan [Member] |
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract] |
2013 | 5,922
2014 | 6,189
2015 | 6,385
2016 | 5,982
2017 | 5,893
Years 2018 - 2022 | $ 26,193

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- Definition Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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