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Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Dec. 31, 2015
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
 
TNMP
 
PNMR
 
Unrealized Gains on Available-for-Sale Securities
 
Pension
Liability
Adjustment
 
Total
 
Fair Value Adjustment for Cash Flow Hedges
 
Fair Value Adjustment for Cash Flow Hedges
 
Total
 
(In thousands)
Balance at December 31, 2012
$
16,406

 
$
(97,820
)
 
$
(81,414
)
 
$
(216
)
 
$
—

 
$
(81,630
)
 Amounts reclassified from AOCI (pre-tax)
(11,956
)
 
6,364

 
(5,592
)
 
207

 
—

 
(5,385
)
Income tax impact of amounts reclassified
4,734

 
(2,524
)
 
2,210

 
(73
)
 
—

 
2,137

 Other OCI changes (pre-tax)
27,419

 
17,136

 
44,555

 
(279
)
 
—

 
44,276

Income tax impact of other OCI changes
(10,855
)
 
(6,781
)
 
(17,636
)
 
98

 
—

 
(17,538
)
Net change after income taxes
9,342

 
14,195

 
23,537

 
(47
)
 
—

 
23,490

Balance at December 31, 2013
25,748

 
(83,625
)
 
(57,877
)
 
(263
)
 
—

 
(58,140
)
 Amounts reclassified from AOCI (pre-tax)
(13,862
)
 
5,152

 
(8,710
)
 
558

 
—

 
(8,152
)
Income tax impact of amounts reclassified
5,461

 
(2,032
)
 
3,429

 
(195
)
 
—

 
3,234

 Other OCI changes (pre-tax)
17,473

 
(15,282
)
 
2,191

 
(153
)
 
—

 
2,038

Income tax impact of other OCI changes
(6,812
)
 
6,024

 
(788
)
 
53

 
—

 
(735
)
Net change after income taxes
2,260

 
(6,138
)
 
(3,878
)
 
263

 
—

 
(3,615
)
Balance at December 31, 2014
28,008

 
(89,763
)
 
(61,755
)
 
—

 
—

 
(61,755
)
 Amounts reclassified from AOCI (pre-tax)
(28,531
)
 
5,952

 
(22,579
)
 
—

 
—

 
(22,579
)
Income tax impact of amounts reclassified
11,181

 
(2,332
)
 
8,849

 
—

 
—

 
8,849

 Other OCI changes (pre-tax)
10,998

 
(4,405
)
 
6,593

 
—

 
72

 
6,665

Income tax impact of other OCI changes
(4,310
)
 
1,726

 
(2,584
)
 
—

 
(28
)
 
(2,612
)
Net change after income taxes
(10,662
)
 
941

 
(9,721
)
 
—

 
44

 
(9,677
)
Balance at December 31, 2015
$
17,346

 
$
(88,822
)
 
$
(71,476
)
 
$
—

 
$
44

 
$
(71,432
)
 
Pre-tax amounts reclassified from AOCI related to Unrealized Gains on Available-for-Sale Securities are included in Gains on available-for-sale securities in the Consolidated Statements of Earnings. Pre-tax amounts reclassified from AOCI related to Pension Liability Adjustment are reclassified to Operating Expenses – Administrative and general in the Consolidated Statements of Earnings. For the years ended December 31, 2015 and 2014, approximately 22.2% and 24.4% of the amount reclassified were capitalized into construction work in process and approximately 2.4% and 2.0% were capitalized into other accounts. Pre-tax amounts reclassified from AOCI related to Fair Value Adjustment for Cash Flow Hedges are reclassified to Interest Charges in the Consolidated Statements of Earnings. An insignificant amount is then capitalized as AFUDC and capitalized interest. The income tax impacts of all amounts reclassified from AOCI are included in Income Taxes in the Consolidated Statements of Earnings.