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Lease Commitments - Operating Lease Balance Sheet Information (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Operating leases: |  |
Operating lease assets, net of amortization | $ 92,498 | $ 105,133
Current portion of operating lease liabilities | 26,472 | 27,460
Long-term portion of operating lease liabilities | 66,135 | 81,065
PNM |  |
Operating leases: |  |
Operating lease assets, net of amortization | 85,738 | 97,461
Current portion of operating lease liabilities | 24,250 | 25,130
Long-term portion of operating lease liabilities | 61,834 | 75,941
TNMP |  |
Operating leases: |  |
Operating lease assets, net of amortization | 6,366 | 7,206
Current portion of operating lease liabilities | 2,130 | 2,193
Long-term portion of operating lease liabilities | $ 3,998 | $ 4,779

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- Definition Operating Lease, Assets and Liabilities, Lessee [Abstract] + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Details
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