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Lease Commitments - Schedule of Weighted Average Remaining Lease Terms and Weighted Average Discount Rates (Details) | Dec. 31, 2024 | Dec. 31, 2023
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Weighted average remaining lease term (years): |  |
Operating leases | 17 years 5 months 12 days | 16 years 7 months 24 days
Financing leases | 3 years 2 months 12 days | 3 years 5 months 12 days
Weighted average discount rate: |  |
Operating leases | 5.68% | 5.60%
Financing leases | 5.12% | 4.58%
PNM |  |
Weighted average remaining lease term (years): |  |
Operating leases | 17 years 6 months 7 days | 16 years 9 months 14 days
Financing leases | 3 years 6 months 3 days | 3 years 9 months 21 days
Weighted average discount rate: |  |
Operating leases | 5.68% | 5.61%
Financing leases | 5.08% | 4.54%
TNMP |  |
Weighted average remaining lease term (years): |  |
Operating leases | 1 year 1 month 6 days | 1 year 7 months 24 days
Financing leases | 2 years 9 months 18 days | 3 years 29 days
Weighted average discount rate: |  |
Operating leases | 4.41% | 4.16%
Financing leases | 5.19% | 4.63%

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