Lease Commitments - Schedule of Supplemental Cash Flows Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 5,145	$ 3,840
Operating cash flows from financing leases	102	74
Finance cash flows from financing leases	741	728
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	52	90
Financing leases	2,449	1,398
PNM
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	5,116	3,826
Operating cash flows from financing leases	62	44
Finance cash flows from financing leases	436	464
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	49	27
Financing leases	1,368	263
TNMP
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	13	14
Operating cash flows from financing leases	25	29
Finance cash flows from financing leases	217	256
Non-cash information related to right-of-use assets obtained in exchange for lease obligations:
Operating leases	4	63
Financing leases	$ 891	$ 1,040

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Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract]

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Amount of interest paid on finance lease liability.

+ References

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-Section 50
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Amount of cash outflow for principal payment on finance lease.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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