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Variable Interest Entities - Schedule of Impact on Results of Operation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Variable Interest Entity [Line Items]
Depreciation and amortization			$ 235,245	$ 206,365
Interest Charges	$ 72,013	$ 55,828	135,564	109,590
Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Depreciation and amortization			134,216	120,385
Interest Charges	31,975	25,880	61,791	50,996
Valencia | Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Electric Operating Revenues	6,609	5,811	13,408	11,756
Depreciation and amortization	1,724	821	3,424	1,643
Interest Charges	4,947	5,039	9,918	10,064
Other	(62)	(49)	66	49
Net Earnings	$ 0	$ 0	$ 0	$ 0

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