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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Information regarding accumulated other comprehensive income (loss) for the three months ended March 31, 2023 and 2022 is as follows:

			Accumulated Other Comprehensive Income (Loss)
			PNM																								Corporate and Other						PNMR Consolidated
			Unrealized Gains on Available-for-Sale Debt Securities						Pension Liability Adjustment																		Fair Value Adjustment for Cash Flow Hedges
															Total																		Total
						(In thousands)
Balance at December 31, 2022						$	7,422					$	(81,757)					$	(74,335)											$	8,287					$	(66,048)
Amounts reclassified from AOCI (pre-tax)						(702)						1,194						492												(2,224)						(1,732)
Income tax impact of amounts reclassified			178						(303)						(125)												565						440
Other OCI changes (pre-tax)			4,170						—						4,170												(168)						4,002
Income tax impact of other OCI changes			(1,059)						—						(1,059)												43						(1,016)
Net after-tax change			2,587						891						3,478												(1,784)						1,694
Balance at March 31, 2023			$	10,009					$	(80,866)					$	(70,857)											$	6,503					$	(64,354)

			Accumulated Other Comprehensive Income (Loss)
			PNM																								Corporate and Other						PNMR Consolidated
			Unrealized Gains on Available-for-Sale Debt Securities						Pension Liability Adjustment																		Fair Value Adjustment for Cash Flow Hedges
															Total																		Total
						(In thousands)
Balance at December 31, 2021						$	11,715					$	(83,651)					$	(71,936)											$	—					$	(71,936)
Amounts reclassified from AOCI (pre-tax)						(1,477)						1,776						299												—						299
Income tax impact of amounts reclassified			375						(451)						(76)												—						(76)
Other OCI changes (pre-tax)			(6,524)						—						(6,524)												—						(6,524)
Income tax impact of other OCI changes			1,657						—						1,657												—						1,657
Net after-tax change			(5,969)						1,325						(4,644)												—						(4,644)
Balance at March 31, 2022			$	5,746					$	(82,326)					$	(76,580)											$	—					$	(76,580)

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- References

No definition available.

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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