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Lease Commitments - Schedule of Weighted Average Remaining Lease Terms and Discount Rates (Details) | Sep. 30, 2022
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Weighted average remaining lease term (years): |
Operating leases | 6 years 8 months 8 days
Financing leases | 3 years 8 months 26 days
Weighted average discount rate: |
Operating leases | 4.01%
Financing leases | 3.08%
PNM |
Weighted average remaining lease term (years): |
Operating leases | 6 years 11 months 23 days
Financing leases | 4 years 3 days
Weighted average discount rate: |
Operating leases | 4.01%
Financing leases | 3.07%
TNMP |
Weighted average remaining lease term (years): |
Operating leases | 2 years 4 months 6 days
Financing leases | 3 years 5 months 23 days
Weighted average discount rate: |
Operating leases | 4.00%
Financing leases | 3.09%

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