Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Information regarding accumulated other comprehensive income (loss) for the three months ended March 31, 2020 and 2019 is as follows:

	Accumulated Other Comprehensive Income (Loss)
	PNM						PNMR
	Unrealized						Fair Value
	Gains on						Adjustment
	Available-for-		Pension				for Cash
	Sale Debt		Liability				Flow
	Securities		Adjustment		Total		Hedges		Total
	(In thousands)
Balance at December 31, 2019	$	10,638	$	(109,693)	$	(99,055)	$	(322)	$	(99,377)
Amounts reclassified from AOCI (pre-tax)	(1,185)		2,075		890		(38)		852
Income tax impact of amounts reclassified	301		(527)		(226)		10		(216)
Other OCI changes (pre-tax)	(4,283)		—		(4,283)		(1,998)		(6,281)
Income tax impact of other OCI changes	1,088		—		1,088		507		1,595
Net after-tax change	(4,079)		1,548		(2,531)		(1,519)		(4,050)
Balance at March 31, 2020	$	6,559	$	(108,145)	$	(101,586)	$	(1,841)	$	(103,427)

Balance at December 31, 2018	$	1,939	$	(112,361)	$	(110,422)	$	1,738	$	(108,684)
Amounts reclassified from AOCI (pre-tax)	(676)		1,851		1,175		270		1,445
Income tax impact of amounts reclassified	172		(470)		(298)		(68)		(366)
Other OCI changes (pre-tax)	7,078		—		7,078		(1,225)		5,853
Income tax impact of other OCI changes	(1,798)		—		(1,798)		311		(1,487)
Net after-tax change	4,776		1,381		6,157		(712)		5,445
Balance at March 31, 2019	$	6,715	$	(110,980)	$	(104,265)	$	1,026	$	(103,239)