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Lease Commitments - Schedule of Information Related to Operating Leases Recorded on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Operating leases: |  |
Operating lease assets, net of amortization | $ 272,894 | $ 182,201
Current portion of operating lease liabilities | 14,293 | 12,267
Long-term portion of operating lease liabilities | 255,376 | 167,000
PNM |  |
Operating leases: |  |
Operating lease assets, net of amortization | 271,433 | 180,370
Current portion of operating lease liabilities | 13,542 | 11,371
Long-term portion of operating lease liabilities | 254,702 | 166,191
TNMP |  |
Operating leases: |  |
Operating lease assets, net of amortization | 923 | 1,814
Current portion of operating lease liabilities | 713 | 895
Long-term portion of operating lease liabilities | $ 167 | $ 809

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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