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Lease Commitments - Schedule of Supplemental Cash Flows Related to Leases (Details) - USD ($) $ in Thousands	6 Months Ended
	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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Amount of interest paid on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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