Lease Commitments - Schedule of Future Expected Lease Payments (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Financing
Remainder of 2024	$ 4,846
2025	8,357
2026	6,592
2027	3,914
2028	1,426
Later years	728
Total minimum lease payments	25,863
Less: Imputed interest	1,994
Lease liabilities	23,869
Battery Storage
Operating
Remainder of 2024	5,893
2025	11,786
2026	11,786
2027	11,786
2028	11,786
Later years	172,254
Total minimum lease payments	225,291
Less: Imputed interest	90,546
Lease liabilities	134,745
Other
Operating
Remainder of 2024	648
2025	7,935
2026	7,190
2027	7,120
2028	7,122
Later years	11,013
Total minimum lease payments	41,028
Less: Imputed interest	5,347
Lease liabilities	35,681
PNM
Financing
Remainder of 2024	2,202
2025	3,797
2026	3,269
2027	2,026
2028	913
Later years	614
Total minimum lease payments	12,821
Less: Imputed interest	1,066
Lease liabilities	11,755
PNM \| Battery Storage
Operating
Remainder of 2024	5,893
2025	11,786
2026	11,786
2027	11,786
2028	11,786
Later years	172,254
Total minimum lease payments	225,291
Less: Imputed interest	90,546
Lease liabilities	134,745
PNM \| Other
Operating
Remainder of 2024	161
2025	7,082
2026	7,031
2027	7,035
2028	7,038
Later years	10,587
Total minimum lease payments	38,934
Less: Imputed interest	5,107
Lease liabilities	33,827
TNMP
Financing
Remainder of 2024	2,595
2025	4,471
2026	3,235
2027	1,800
2028	501
Later years	113
Total minimum lease payments	12,715
Less: Imputed interest	901
Lease liabilities	11,814
Operating
Remainder of 2024	454
2025	787
2026	90
2027	14
2028	11
Later years	0
Total minimum lease payments	1,356
Less: Imputed interest	64
Lease liabilities	$ 1,292

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

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Lessee, Operating Lease, Liability, to be Paid, after Year Four

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

+ References

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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