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Lease Commitments - Schedule of Weighted Average Remaining Lease Terms and Discount Rates (Details) | Sep. 30, 2020
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Weighted average remaining lease term (years): |
Operating leases | 5 years 11 months 26 days
Financing leases | 5 years 25 days
Weighted average discount rate: |
Operating leases | 3.93%
Financing leases | 2.95%
PNM |
Weighted average remaining lease term (years): |
Operating leases | 6 years 2 months 1 day
Financing leases | 5 years 25 days
Weighted average discount rate: |
Operating leases | 3.93%
Financing leases | 2.85%
TNMP |
Weighted average remaining lease term (years): |
Operating leases | 3 years 8 months 8 days
Financing leases | 5 years 1 month 13 days
Weighted average discount rate: |
Operating leases | 4.03%
Financing leases | 3.05%

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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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