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Lease Commitments - Schedule of Supplemental Cash Flows Related to Leases (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows from operating leases | $ 16,381 | $ 16,572
Operating cash flows from financing leases | 68 | 63
Finance cash flows from financing leases | 809 | 592
Non-cash information related to right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases | 1,079 | 317
Financing leases | 3,776 | 2,793
PNM |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows from operating leases | 16,260 | 16,291
Operating cash flows from financing leases | 45 | 43
Finance cash flows from financing leases | 528 | 392
Non-cash information related to right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases | 1,079 | 0
Financing leases | 2,151 | 1,512
TNMP |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows from operating leases | 75 | 188
Operating cash flows from financing leases | 21 | 17
Finance cash flows from financing leases | 236 | 156
Non-cash information related to right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases | 0 | 317
Financing leases | $ 1,625 | $ 1,254

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