Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net Earnings (Loss)	$ 61,561	$ (72,283)	$ 50,162	$ (50,622)
Unrealized Gains on Available-for-Sale Debt Securities:
Unrealized holding gains arising during the period, net of income tax (expense)	10,444	6,610	7,249	11,890
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	(1,398)	(3,674)	(2,282)	(4,178)
Pension Liability Adjustment:
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	1,548	1,381	3,096	2,762
Fair Value Adjustment for Cash Flow Hedges:
Change in fair market value, net of income tax (expense) benefit of $(203), $494, $304, $805	597	(1,450)	(894)	(2,364)
Reclassification adjustment for (gains) losses included in net earnings, net of income tax expense (benefit) of $117, $(65), $127, and $(133)	(345)	190	(373)	392
Total Other Comprehensive Income	10,846	3,057	6,796	8,502
Comprehensive Income (Loss)	72,407	(69,226)	56,958	(42,120)
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(3,940)	(3,499)	(7,669)	(6,328)
Preferred Stock Dividend Requirements of Subsidiary	(132)	(132)	(264)	(264)
Comprehensive Income (Loss) Attributable to PNMR	68,335	(72,857)	49,025	(48,712)
PNM
Net Earnings (Loss)	49,612	(83,313)	37,416	(61,340)
Unrealized Gains on Available-for-Sale Debt Securities:
Unrealized holding gains arising during the period, net of income tax (expense)	10,444	6,610	7,249	11,890
Reclassification adjustment for (gains) included in net earnings, net of income tax expense	(1,398)	(3,674)	(2,282)	(4,178)
Pension Liability Adjustment:
Reclassification adjustment for amortization of experience (gains) losses recognized as net periodic benefit cost, net of income tax expense (benefit)	1,548	1,381	3,096	2,762
Fair Value Adjustment for Cash Flow Hedges:
Total Other Comprehensive Income	10,594	4,317	8,063	10,474
Comprehensive Income (Loss)	60,206	(78,996)	45,479	(50,866)
Comprehensive (Income) Attributable to Valencia Non-controlling Interest	(3,940)	(3,499)	(7,669)	(6,328)
Comprehensive Income (Loss) Attributable to PNMR	$ 56,266	$ (82,495)	$ 37,810	$ (57,194)