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Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2018
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, 2018 and 2017 is as follows:
 
Accumulated Other Comprehensive Income (Loss)
 
PNM
 
PNMR
 
Unrealized
 
 
 
 
 
Fair Value
 
 
 
Gains on
 
 
 
 
 
Adjustment
 
 
 
Available-for-
 
Pension
 
 
 
for Cash
 
 
 
Sale
 
Liability
 
 
 
Flow
 
 
 
Securities
 
Adjustment
 
Total
 
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 7)
(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)
(3,483
)
 
5,678

 
2,195

 
102

 
2,297

Income tax impact of amounts reclassified
885

 
(1,442
)
 
(557
)
 
(27
)
 
(584
)
 Other OCI changes (pre-tax)
2,872

 
—

 
2,872

 
2,431

 
5,303

Income tax impact of other OCI changes
(730
)
 
—

 
(730
)
 
(618
)
 
(1,348
)
Net after-tax change
(456
)
 
4,236

 
3,780

 
1,888

 
5,668

Balance at September 30, 2018
$
1,505

 
$
(106,026
)
 
$
(104,521
)
 
$
3,041

 
$
(101,480
)
Balance at December 31, 2016
$
4,320

 
$
(96,748
)
 
$
(92,428
)
 
$
(23
)
 
$
(92,451
)
 Amounts reclassified from AOCI (pre-tax)
(11,088
)
 
4,839

 
(6,249
)
 
484

 
(5,765
)
Income tax impact of amounts reclassified
4,302

 
(1,878
)
 
2,424

 
(187
)
 
2,237

 Other OCI changes (pre-tax)
22,302

 
—

 
22,302

 
(278
)
 
22,024

Income tax impact of other OCI changes
(8,654
)
 
—

 
(8,654
)
 
108

 
(8,546
)
Net after-tax change
6,862

 
2,961

 
9,823

 
127

 
9,950

Balance at September 30, 2017
$
11,182

 
$
(93,787
)
 
$
(82,605
)
 
$
104

 
$
(82,501
)


The Condensed Consolidated Statements of Earnings include pre-tax amounts reclassified from AOCI related to Unrealized Gains on Available-for-Sale 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.