Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows From Operating Activities:
Net earnings	$ 50,162	$ (50,622)
Adjustments to reconcile net earnings (loss) to net cash flows from operating activities:
Depreciation and amortization	155,799	148,090
Deferred income tax expense (benefit)	2,087	(41,930)
(Gains) losses on investment securities	11,229	(18,613)
Stock based compensation expense	5,230	4,526
Regulatory disallowances and restructuring costs	0	150,599
Allowance for equity funds used during construction	(3,475)	(4,158)
Other, net	2,998	1,247
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(25,121)	4,205
Materials, supplies, and fuel stock	8,253	(2,656)
Other current assets	(18,475)	(6,020)
Other assets	12,935	21,858
Accounts payable	(5,919)	(812)
Accrued interest and taxes	(15,568)	(6,180)
Other current liabilities	7,687	(6,381)
Other liabilities	(22,040)	(21,288)
Net cash flows from operating activities	165,782	171,865
Cash Flows From Investing Activities:
Additions to utility plant and non-utility plant	(343,807)	(293,076)
Proceeds from sales of investment securities	354,651	234,011
Purchases of investment securities	(359,840)	(239,609)
Investments in NMRD	(18,250)	(13,250)
Other, net	19	(187)
Net cash flows from investing activities	(367,227)	(312,111)
Cash Flows From Financing Activities:
Short-term borrowings (repayments), net	494	0
Revolving credit facilities borrowings (repayments), net	66,955	106,500
Long-term borrowings	660,345	475,000
Repayment of long-term debt	(450,345)	(372,302)
Proceeds from stock option exercise	24	943
Awards of common stock	(11,984)	(9,892)
Dividends paid	(49,251)	(46,463)
Valencia’s transactions with its owner	(10,794)	(7,948)
Transmission interconnection and security deposit arrangements	3,364	0
Refunds paid under transmission interconnection arrangements	(3,816)	(1,661)
Debt issuance costs and other, net	(4,557)	(1,827)
Net cash flows from financing activities	200,435	142,350
Change in Cash, Restricted Cash, and Equivalents	(1,010)	2,104
Cash, Restricted Cash, and Equivalents at Beginning of Period	3,833	2,122
Cash, Restricted Cash, and Equivalents at End of Period	2,823	4,226
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	57,600	61,539
Income taxes paid (refunded), net	(131)	(2,768)
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	21,265	30,451
PNM
Cash Flows From Operating Activities:
Net earnings	37,416	(61,340)
Net earnings	29,747	(67,668)
Adjustments to reconcile net earnings (loss) to net cash flows from operating activities:
Depreciation and amortization	98,841	94,467
Deferred income tax expense (benefit)	2,861	(41,292)
(Gains) losses on investment securities	11,229	(18,613)
Regulatory disallowances and restructuring costs	0	150,599
Allowance for equity funds used during construction	(2,399)	(3,456)
Other, net	3,605	1,173
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(19,898)	8,778
Materials, supplies, and fuel stock	8,773	(2,423)
Other current assets	(11,790)	(1,509)
Other assets	9,436	18,132
Accounts payable	(727)	(4,049)
Accrued interest and taxes	(9,504)	3,615
Other current liabilities	7,790	24,019
Other liabilities	(20,190)	(22,483)
Net cash flows from operating activities	115,443	145,618
Cash Flows From Investing Activities:
Additions to utility plant and non-utility plant	(183,276)	(157,874)
Proceeds from sales of investment securities	354,651	234,011
Purchases of investment securities	(359,840)	(239,609)
Other, net	19	1
Net cash flows from investing activities	(188,446)	(163,471)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	29,055	(200)
Short-term borrowings (repayments) – affiliate, net	0	(19,800)
Long-term borrowings	550,345	250,000
Repayment of long-term debt	(450,345)	(200,000)
Dividends paid	(40,918)	(264)
Valencia’s transactions with its owner	(10,794)	(7,948)
Transmission interconnection and security deposit arrangements	1,962	0
Refunds paid under transmission interconnection arrangements	(3,816)	(1,661)
Debt issuance costs and other, net	(2,541)	(120)
Net cash flows from financing activities	72,948	20,007
Change in Cash, Restricted Cash, and Equivalents	(55)	2,154
Cash, Restricted Cash, and Equivalents at Beginning of Period	1,001	85
Cash, Restricted Cash, and Equivalents at End of Period	946	2,239
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	34,371	34,308
Income taxes paid (refunded), net	0	(3,383)
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	13,601	13,213
Texas-New Mexico Power Company
Cash Flows From Operating Activities:
Net earnings	23,266	19,365
Adjustments to reconcile net earnings (loss) to net cash flows from operating activities:
Depreciation and amortization	44,767	41,379
Deferred income tax expense (benefit)	(4,882)	(8,004)
Other, net	(1,054)	(680)
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(5,223)	(4,573)
Materials, supplies, and fuel stock	(520)	(233)
Other current assets	(4,329)	(7,155)
Other assets	4,359	3,544
Accounts payable	(2,108)	2,442
Accrued interest and taxes	893	1,175
Other current liabilities	4,059	3,130
Other liabilities	(1,079)	(1,234)
Net cash flows from operating activities	58,149	49,156
Cash Flows From Investing Activities:
Additions to utility plant and non-utility plant	(148,000)	(124,376)
Net cash flows from investing activities	(148,000)	(124,376)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	(2,400)	37,500
Short-term borrowings (repayments) – affiliate, net	0	1,500
Long-term borrowings	110,000	225,000
Repayment of long-term debt	0	(172,302)
Dividends paid	(18,439)	(14,811)
Transmission interconnection and security deposit arrangements	1,402	0
Debt issuance costs and other, net	(1,975)	(1,667)
Net cash flows from financing activities	89,082	75,220
Change in Cash, Restricted Cash, and Equivalents	(769)	0
Cash, Restricted Cash, and Equivalents at Beginning of Period	1,000	0
Cash, Restricted Cash, and Equivalents at End of Period	231	0
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	13,465	16,342
Income taxes paid (refunded), net	(131)	615
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	$ 1,816	$ 12,182