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Variable Interest Entities - Schedule of Impact on Results of Operation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Variable Interest Entity [Line Items]
Depreciation and amortization	$ 114,300	$ 103,004
Interest Charges	63,551	53,762
Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Depreciation and amortization	66,622	60,356
Interest Charges	29,816	25,116
Valencia | Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Electric Operating Revenues	6,799	5,946
Depreciation and amortization	1,700	821
Interest Charges	4,971	5,025
Other	128	100
Net Earnings	$ 0	$ 0

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