Condensed Consolidated Statements of Cash Flows - PNMR - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net earnings	$ 38,341	$ 78,966
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	169,942	158,204
Deferred income tax expense	2,405	9,362
(Gains) losses on investment securities	68,368	(14,160)
Stock based compensation expense	4,816	5,712
Regulatory disallowances and restructuring costs	1,399	0
Allowance for equity funds used during construction	(5,839)	(5,525)
Other, net	754	3,403
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(36,893)	(31,424)
Materials, supplies, and fuel stock	(10,353)	4,451
Other current assets	9,773	(23,483)
Other assets	4,870	12,410
Accounts payable	4,954	990
Accrued interest and taxes	(2,312)	(8,929)
Other current liabilities	(2,615)	8,772
Other liabilities	(29,746)	(24,186)
Net cash flows from operating activities	217,864	174,563
Cash Flows From Investing Activities:
Utility plant additions	(475,732)	(335,033)
Proceeds from sales of investment securities	230,880	363,291
Purchases of investment securities	(234,848)	(367,325)
Distributions from NMRD	0	572
Other, net	512	93
Net cash flows used in investing activities	(479,188)	(338,402)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings, net	203,600	59,500
Long-term borrowings	238,000	1,145,000
Repayment of long-term debt	(104,500)	(1,005,000)
Awards of common stock	(7,625)	(9,953)
Dividends paid	(59,919)	(56,486)
Valencia’s transactions with its owner	(7,965)	(9,256)
Transmission interconnection and security deposit arrangements	46,643	15,875
Refunds paid under transmission interconnection arrangements	(41,369)	(4,163)
Debt issuance costs and other, net	(3,161)	(1,149)
Net cash flows from financing activities	263,704	134,368
Change in Cash, Restricted Cash, and Equivalents	2,380	(29,471)
Cash, Restricted Cash, and Equivalents at Beginning of Period	1,104	47,928
Cash, Restricted Cash, and Equivalents at End of Period	3,484	18,457
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	50,057	49,127
Income taxes paid (refunded), net	904	892
Supplemental schedule of noncash investing activities:
Decrease in accrued plant additions	$ 47,626	$ 42,057