XML 60 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
Information regarding AOCI is as follows:
 
Accumulated Other Comprehensive Income (Loss)
 
PNM
 
PNMR
 
Unrealized Gains on Available-for-Sale Securities
 
Pension
Liability
Adjustment
 
Total
 
Fair Value Adjustment for Cash Flow Hedges
 
Total
 
(In thousands)
Balance at December 31, 2015
$
17,346

 
$
(88,822
)
 
$
(71,476
)
 
$
44

 
$
(71,432
)
 Amounts reclassified from AOCI (pre-tax)
(22,139
)
 
5,504

 
(16,635
)
 
764

 
(15,871
)
Income tax impact of amounts reclassified
8,639

 
(2,148
)
 
6,491

 
(298
)
 
6,193

 Other OCI changes (pre-tax)
778

 
(18,501
)
 
(17,723
)
 
(874
)
 
(18,597
)
Income tax impact of other OCI changes
(304
)
 
7,219

 
6,915

 
341

 
7,256

Net after-tax change
(13,026
)
 
(7,926
)
 
(20,952
)
 
(67
)
 
(21,019
)
Balance at December 31, 2016
4,320

 
(96,748
)
 
(92,428
)
 
(23
)
 
(92,451
)
 Amounts reclassified from AOCI (pre-tax)
(17,567
)
 
6,452

 
(11,115
)
 
581

 
(10,534
)
Income tax impact of amounts reclassified
6,816

 
(2,504
)
 
4,312

 
(225
)
 
4,087

 Other OCI changes (pre-tax)
28,160

 
3,618

 
31,778

 
1,000

 
32,778

Income tax impact of other OCI changes
(10,927
)
 
(919
)
 
(11,846
)
 
(388
)
 
(12,234
)
Net after-tax change
6,482

 
6,647

 
13,129

 
968

 
14,097

Reclassification of stranded income taxes to retained earnings (Note 18)
2,367

 
(20,161
)
 
(17,794
)
 
208

 
(17,586
)
Balance at December 31, 2017, as originally reported
13,169

 
(110,262
)
 
(97,093
)
 
1,153

 
(95,940
)
Cumulative effect adjustment (Note 9)
(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)
(3,819
)
 
7,568

 
3,749

 
216

 
3,965

Income tax impact of amounts reclassified
970

 
(1,922
)
 
(952
)
 
(56
)
 
(1,008
)
 Other OCI changes (pre-tax)
3,790

 
(10,382
)
 
(6,592
)
 
570

 
(6,022
)
Income tax impact of other OCI changes
(963
)
 
2,637

 
1,674

 
(145
)
 
1,529

Net after-tax change
(22
)
 
(2,099
)
 
(2,121
)
 
585

 
(1,536
)
Balance at December 31, 2018
$
1,939

 
$
(112,361
)
 
$
(110,422
)
 
$
1,738

 
$
(108,684
)