Consolidated Statements of Cash Flows - PNMR - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows From Operating Activities:
Net Earnings	$ 106,879	$ 185,180	$ 211,847
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	353,692	341,123	320,210
Deferred income tax expense (benefit)	(13,509)	24,533	30,747
(Gains) losses on investment securities	(19,246)	78,357	(16,850)
Stock based compensation expense	7,190	7,825	9,446
Regulatory disallowances and restructuring costs	71,923	832	1,194
Allowance for equity funds used during construction	(14,978)	(13,799)	(13,217)
Other, net	804	2,377	5,457
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	53,229	(73,099)	(25,924)
Materials, supplies, and fuel stock	(31,301)	(8,528)	1,356
Other current assets	(52,225)	17,159	1,838
Other assets	(25,820)	5,002	31,135
Accounts payable	(33,536)	47,568	10,640
Accrued interest and taxes	17,526	9,205	2,692
Other current liabilities	125,580	(28,516)	6,894
Other liabilities	4,963	(27,935)	(29,592)
Net cash flows from operating activities	551,171	567,284	547,873
Cash Flows From Investing Activities:
Additions to utility and non-utility plant	(1,075,812)	(912,557)	(935,016)
Proceeds from sale of plant assets (Note 8)	32,654	0	0
Proceeds from sales of investment securities	574,199	526,448	459,867
Purchases of investment securities	(593,241)	(564,912)	(477,672)
Investments in NMRD	(26,250)	0	0
Distributions from NMRD	0	0	572
Other, net	44	674	(9)
Net cash flows used in investing activities	(1,088,406)	(950,347)	(952,258)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	29,900	169,300	30,700
Long-term borrowings	1,358,096	558,000	1,816,345
Repayment of long-term debt	(910,000)	(179,500)	(1,411,345)
Issuance of common stock	198,177	0	0
Awards of common stock	(9,646)	(7,980)	(10,130)
Dividends paid	(126,705)	(119,839)	(112,972)
Valencia’s transactions with its owner	(21,569)	(17,533)	(19,094)
Transmission interconnection and security deposit arrangements	49,807	96,550	80,558
Refunds paid under transmission interconnection arrangements	(21,124)	(107,397)	(10,195)
Debt issuance costs and other, net	(9,836)	(5,564)	(6,306)
Net cash flows from financing activities	537,100	386,037	357,561
Change in Cash, Cash Equivalents, and Restricted Cash	(135)	2,974	(46,824)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Year	4,078	1,104	47,928
Cash, Cash Equivalents, and Restricted Cash at End of Year	3,943	4,078	1,104
Restricted Cash Included in Other Deferred Charges on Consolidated Balance Sheets:
At beginning of period	0	0	0
At end of period	1,728	0	0
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	155,273	118,485	91,276
Income taxes paid (refunded), net	1,505	(1,011)	1,042
Supplemental schedule of noncash investing and financing activities:
(Increase) decrease in accrued plant additions	$ (23,002)	$ 4,455	$ 7,362