Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

AOCI reports a measure for accumulated changes in equity that result from transactions and other economic events other than transactions with shareholders. Information regarding AOCI is as follows:

	Accumulated Other Comprehensive Income (Loss)
	PNM						PNMR
	Unrealized Gains on Available-for-Sale Securities		Pension Liability Adjustment		Total		Fair Value Adjustment for Cash Flow Hedges		Total
	(In thousands)
Balance at December 31, 2017, as originally reported	$	13,169	$	(110,262)	$	(97,093)	$	1,153	$	(95,940)
Cumulative effect adjustment (Note 9)	(11,208)		—		(11,208)		—		(11,208)
Balance at January 1, 2018, as adjusted	1,961		(110,262)		(108,301)		1,153		(107,148)
Amounts reclassified from AOCI (pre-tax)	(3,819)		7,568		3,749		216		3,965
Income tax impact of amounts reclassified	970		(1,922)		(952)		(56)		(1,008)
Other OCI changes (pre-tax)	3,790		(10,382)		(6,592)		570		(6,022)
Income tax impact of other OCI changes	(963)		2,637		1,674		(145)		1,529
Net after-tax change	(22)		(2,099)		(2,121)		585		(1,536)
Balance at December 31, 2018	1,939		(112,361)		(110,422)		1,738		(108,684)
Amounts reclassified from AOCI (pre-tax)	(14,063)		7,404		(6,659)		733		(5,926)
Income tax impact of amounts reclassified	3,572		(1,880)		1,692		(186)		1,506
Other OCI changes (pre-tax)	25,724		(3,829)		21,895		(3,495)		18,400
Income tax impact of other OCI changes	(6,534)		973		(5,561)		888		(4,673)
Net after-tax change	8,699		2,668		11,367		(2,060)		9,307
Balance at December 31, 2019	10,638		(109,693)		(99,055)		(322)		(99,377)
Amounts reclassified from AOCI (pre-tax)	(9,497)		8,300		(1,197)		(1,740)		(2,937)
Income tax impact of amounts reclassified	2,412		(2,108)		304		442		746
Other OCI changes (pre-tax)	22,586		6,149		28,735		1,271		30,006
Income tax impact of other OCI changes	(5,736)		(1,562)		(7,298)		(323)		(7,621)
Net after-tax change	9,765		10,779		20,544		(350)		20,194
Balance at December 31, 2020	$	20,403	$	(98,914)	$	(78,511)	$	(672)	$	(79,183)

The Consolidated Statements of Earnings include pre-tax amounts reclassified from AOCI related to Unrealized Gains on Available-for-Sale Debt Securities in gains (losses) on investment securities, related to Pension Liability Adjustment in other (deductions), and related to Fair Value Adjustment for Cash Flow Hedges in interest charges. The income tax impacts of all amounts reclassified from AOCI are included in income taxes in the Consolidated Statements of Earnings.