Consolidated Statements of Cash Flows - PNMR - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows From Operating Activities:
Net Earnings	$ 211,847	$ 187,316	$ 92,131
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	320,210	314,668	301,068
Deferred income tax expense (benefit)	30,747	20,405	(25,385)
(Gains) on investment securities	(16,850)	(21,599)	(29,589)
Stock based compensation expense	9,446	8,141	6,414
Regulatory disallowances and restructuring costs	1,194	1,098	151,095
Allowance for equity funds used during construction	(13,217)	(11,254)	(9,478)
Other, net	5,457	3,497	2,395
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(25,924)	(42,035)	3,796
Materials, supplies, and fuel stock	1,356	11,512	(6,095)
Other current assets	1,838	(8,135)	1,872
Other assets	31,135	29,923	42,803
Accounts payable	10,640	7,403	(272)
Accrued interest and taxes	2,692	(9,347)	14,691
Other current liabilities	6,894	23,740	(7,212)
Other liabilities	(29,592)	(29,633)	(35,071)
Net cash flows from operating activities	547,873	485,700	503,163
Cash Flows From Investing Activities:
Additions to utility and non-utility plant	(935,016)	(679,028)	(616,273)
Proceeds from sales of investment securities	459,867	590,998	494,528
Purchases of investment securities	(477,672)	(607,591)	(513,866)
Investments in NMRD	0	(23,250)	(38,250)
Distributions from NMRD	572	0	0
Other, net	(9)	(14,928)	(37)
Net cash flows used in investing activities	(952,258)	(733,799)	(673,898)
Cash Flows From Financing Activities:
Short-term borrowings (repayments), net	0	0	(150,000)
Revolving credit facilities borrowings (repayments), net	30,700	(153,100)	99,200
Long-term borrowings	1,816,345	1,267,845	745,000
Repayment of long-term debt	(1,411,345)	(977,845)	(407,302)
Issuance of common stock	0	283,208	0
Proceeds from stock option exercise	0	24	943
Awards of common stock	(10,130)	(11,984)	(9,918)
Dividends paid	(112,972)	(98,502)	(92,926)
Valencia’s transactions with its owner	(19,094)	(18,056)	(15,401)
Transmission interconnection and security deposit arrangements	80,558	11,452	10,015
Refunds paid under transmission interconnection arrangements	(10,195)	(5,905)	(4,325)
Debt issuance costs and other, net	(6,306)	(4,943)	(2,840)
Net cash flows from financing activities	357,561	292,194	172,446
Change in Cash and Cash Equivalents	(46,824)	44,095	1,711
Cash and Cash Equivalents at Beginning of Year	47,928	3,833	2,122
Cash and Cash Equivalents at End of Year	1,104	47,928	3,833
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	91,276	106,575	115,476
Income taxes paid (refunded), net	1,042	969	(2,929)
Supplemental schedule of noncash investing and financing activities:
(Increase) decrease in accrued plant additions	7,362	(58,796)	8,781
Contribution of utility plant to NMRD	$ 0	$ 801	$ 0