Lease Commitments - Schedule of Future Expected Lease Payments (Details) $ in Thousands	Sep. 30, 2026 USD ($)
Financing
Remainder of 2026	$ 4,304
2027	14,718
2028	11,327
2029	8,135
2030	3,751
Later years	2,202
Total minimum lease payments	44,437
Less: Imputed interest	3,887
Lease liabilities	40,550
Energy Storage
Operating
Remainder of 2026	446
2027	1,783
2028	1,783
2029	1,783
2030	1,783
Later years	22,603
Total minimum lease payments	30,181
Less: Imputed interest	11,259
Lease liabilities	18,922
Other
Operating
Remainder of 2026	112
2027	7,206
2028	7,208
2029	7,188
2030	317
Later years	3,770
Total minimum lease payments	25,801
Less: Imputed interest	2,827
Lease liabilities	22,974
PNM
Financing
Remainder of 2026	1,778
2027	5,945
2028	4,424
2029	2,890
2030	1,313
Later years	1,039
Total minimum lease payments	17,389
Less: Imputed interest	1,494
Lease liabilities	15,895
PNM \| Energy Storage
Operating
Remainder of 2026	446
2027	1,783
2028	1,783
2029	1,783
2030	1,783
Later years	22,603
Total minimum lease payments	30,181
Less: Imputed interest	11,259
Lease liabilities	18,922
PNM \| Other
Operating
Remainder of 2026	73
2027	7,049
2028	7,052
2029	7,039
2030	164
Later years	3,497
Total minimum lease payments	24,874
Less: Imputed interest	2,690
Lease liabilities	22,184
TNMP
Financing
Remainder of 2026	2,420
2027	8,375
2028	6,689
2029	5,185
2030	2,434
Later years	1,163
Total minimum lease payments	26,266
Less: Imputed interest	2,349
Lease liabilities	23,917
Operating
Remainder of 2026	22
2027	87
2028	83
2029	74
2030	76
Later years	0
Total minimum lease payments	342
Less: Imputed interest	27
Lease liabilities	$ 315

Finance Lease, Liability, to be Paid, after Year Four

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Present value of lessee's discounted obligation for lease payments from finance lease.

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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-Paragraph 1
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