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Lease Commitments - Schedule of Supplemental Cash Flows Related to Leases (Details) - USD ($) $ in Thousands | 3 Months Ended
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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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