Financing - Long-term Debt Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Long-term Debt, by Maturity [Abstract]
2023	$ 185,000
2024	503,000
2025	1,354,000
2026	160,345
2027	60,000
Thereafter	1,815,198
Total	4,077,543	$ 3,699,043
PNMR
Long-term Debt, by Maturity [Abstract]
2023	0
2024	0
2025	1,000,000
2026	0
2027	0
Thereafter	0
Total	1,000,000	900,000
Public Service Company of New Mexico
Long-term Debt, by Maturity [Abstract]
2023	185,000
2024	423,000
2025	354,000
2026	100,345
2027	0
Thereafter	947,000
Total	2,009,345	1,890,845
Texas-New Mexico Power Company
Long-term Debt, by Maturity [Abstract]
2023	0
2024	80,000
2025	0
2026	60,000
2027	60,000
Thereafter	868,198
Total	$ 1,068,198	$ 908,198

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth 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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