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Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss)
Information regarding accumulated other comprehensive income (loss) for the nine months ended September 30, 2021 and 2020 is as follows:

Accumulated Other Comprehensive Income (Loss)
PNMCorporate and OtherPNMR Consolidated
Unrealized
Gains on
Available-for-Sale Debt
Securities		Pension
Liability
Adjustment		Fair Value
Adjustment
for Cash
Flow Hedges
TotalTotal
(In thousands)
Balance at December 31, 2020$20,403 $(98,914)$(78,511)$(672)$(79,183)
Amounts reclassified from AOCI (pre-tax)
(8,120)6,261 (1,859)(903)(2,762)
Income tax impact of amounts reclassified
2,062 (1,590)472 229 701 
Other OCI changes (pre-tax)
(968)— (968)1,804 836 
Income tax impact of other OCI changes
246 — 246 (458)(212)
Net after-tax change
(6,780)4,671 (2,109)672 (1,437)
Balance at September 30, 2021$13,623 $(94,243)$(80,620)$— $(80,620)
Balance at December 31, 2019$10,638 $(109,693)$(99,055)$(322)$(99,377)
 Amounts reclassified from AOCI (pre-tax)
(7,156)6,225 (931)(1,117)(2,048)
Income tax impact of amounts reclassified
1,818 (1,581)237 284 521 
 Other OCI changes (pre-tax)
14,750 — 14,750 33 14,783 
Income tax impact of other OCI changes
(3,746)— (3,746)(9)(3,755)
Net after-tax change
5,666 4,644 10,310 (809)9,501 
Balance at September 30, 2020$16,304 $(105,049)$(88,745)$(1,131)$(89,876)

The Condensed 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 Condensed Consolidated Statements of Earnings.