Variable Interest Entities - Schedule of Impact on Results of Operation (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Variable Interest Entity [Line Items]
Depreciation and amortization			$ 379,835	$ 361,095
Interest Charges	$ 76,059	$ 70,149	213,997	205,713
Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Depreciation and amortization			226,066	210,111
Interest Charges	34,026	33,805	99,390	95,596
Valencia \| Public Service Company of New Mexico
Variable Interest Entity [Line Items]
Electric Operating Revenues	6,794	6,766	20,178	20,174
Depreciation and amortization	1,850	1,748	5,473	5,172
Interest Charges	4,821	4,922	14,539	14,840
Other	123	96	166	162
Net Earnings	$ 0	$ 0	$ 0	$ 0

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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+ Details

- Definition

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

+ References

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