Lease Commitments - Schedule of Future Expected Lease Payments (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Financing
Remainder of 2022	$ 1,896
2023	7,251
2024	5,916
2025	4,134
2026	2,626
Later years	1,956
Total minimum lease payments	23,779
Less: Imputed interest	1,350
Lease liabilities as of September 30, 2022	22,429
Operating
Remainder of 2022	10,725
2023	10,465
2024	8,171
2025	7,847
2026	7,090
Later years	24,384
Total minimum lease payments	68,682
Less: Imputed interest	8,447
Lease liabilities as of September 30, 2022	60,235
PNM
Financing
Remainder of 2022	898
2023	3,497
2024	2,777
2025	1,940
2026	1,513
Later years	1,324
Total minimum lease payments	11,949
Less: Imputed interest	739
Lease liabilities as of September 30, 2022	11,210
Operating
Remainder of 2022	10,234
2023	8,779
2024	7,217
2025	7,076
2026	7,014
Later years	24,384
Total minimum lease payments	64,704
Less: Imputed interest	8,048
Lease liabilities as of September 30, 2022	56,656
TNMP
Financing
Remainder of 2022	976
2023	3,698
2024	3,125
2025	2,192
2026	1,113
Later years	632
Total minimum lease payments	11,736
Less: Imputed interest	608
Lease liabilities as of September 30, 2022	11,128
Operating
Remainder of 2022	455
2023	1,546
2024	943
2025	770
2026	76
Later years	0
Total minimum lease payments	3,790
Less: Imputed interest	212
Lease liabilities as of September 30, 2022	$ 3,578

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

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- Definition

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

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No definition available.

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Balance Type:	na
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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

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

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating 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 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).

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- Definition

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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- Definition

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

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- Definition

Present value of lessee's discounted obligation for lease payments from 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 (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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