Lease Commitments - Schedule of Supplemental Cash Flows Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 25,984	$ 26,129
Operating cash flows from financing leases	141	128
Financing cash flows from financing leases	1,711	1,296
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	3,103	317
Financing leases	8,266	6,958
Public Service Company of New Mexico
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	25,687	25,655
Operating cash flows from financing leases	96	90
Financing cash flows from financing leases	1,123	870
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	2,924	0
Financing leases	4,205	3,792
Texas-New Mexico Power Company
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	246	323
Operating cash flows from financing leases	43	34
Financing cash flows from financing leases	499	339
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	179	317
Financing leases	$ 4,061	$ 3,126