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Accumulated Other Comprehensive Income (Loss)
 6 Months Ended
Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Note 11.  Accumulated Other Comprehensive Income (Loss)
 
Changes in accumulated other comprehensive income ("AOCI") (loss) by component, including amounts reclassified to other comprehensive income ("OCI") (loss) and the related line item in the Statements of Operations where net income is presented, are as follows:
 
 
Three months ended
 
Three months ended
 
 
June 30, 2018
 
June 30, 2017
(in thousands)
 
Before Tax
Income Tax (1)
Net
 
Before Tax
Income Tax (1)
Net
Investment securities:
 
 
 
 
 
 
 
 
AOCI (loss), beginning of period
 
$
(3,460
)
$
(727
)
$
(2,733
)
 
$
6,293

$
2,202

$
4,091

OCI (loss) before reclassifications
 
(1,409
)
(296
)
(1,113
)
 
1,746

611

1,135

Realized investment losses (gains)
 
66

14

52

 
(126
)
(44
)
(82
)
Impairment losses
 
646

136

510

 
61

22

39

OCI (loss)
 
(697
)
(146
)
(551
)
 
1,681

589

1,092

AOCI (loss), end of period
 
$
(4,157
)
$
(873
)
$
(3,284
)
 
$
7,974

$
2,791

$
5,183

 
 
 
 
 
 
 
 
 
Pension and other postretirement plans: (2)
 
 
 
 
 
 
 
 
AOCI (loss), beginning of period
 
$
(200,954
)
$
(42,201
)
$
(158,753
)
 
$
(190,695
)
$
(66,744
)
$
(123,951
)
AOCI (loss), end of period
 
$
(200,954
)
$
(42,201
)
$
(158,753
)
 
$
(190,695
)
$
(66,744
)
$
(123,951
)
 
 
 
 
 
 
 
 
 
Total
 
 
 
 
 
 
 
 
AOCI (loss), beginning of period
 
$
(204,414
)
$
(42,928
)
$
(161,486
)
 
$
(184,402
)
$
(64,542
)
$
(119,860
)
Investment securities
 
(697
)
(146
)
(551
)
 
1,681

589

1,092

Pension and other postretirement plans
 
0

0

0

 
0

0

0

OCI (loss)
 
(697
)
(146
)
(551
)
 
1,681

589

1,092

AOCI (loss), end of period
 
$
(205,111
)
$
(43,074
)
$
(162,037
)
 
$
(182,721
)
$
(63,953
)
$
(118,768
)

 
 
Six months ended
 
Six months ended
 
 
June 30, 2018
 
June 30, 2017
(in thousands)
 
Before Tax
Income Tax (1)
Net
 
Before Tax
Income Tax (1)
Net
Investment securities:
 
 
 
 
 
 
 
 
AOCI, beginning of period
 
$
3,410

$
716

$
2,694

 
$
3,954

$
1,384

$
2,570

OCI (loss) before reclassifications
 
(8,539
)
(1,793
)
(6,746
)
 
4,386

1,535

2,851

Realized investment losses (gains)
 
411

86

325

 
(548
)
(192
)
(356
)
Impairment losses
 
646

136

510

 
182

64

118

Cumulative effect of adopting ASU 2016-01 (3)
 
(85
)
(18
)
(67
)
 
—

—

—

OCI (loss)
 
(7,567
)
(1,589
)
(5,978
)
 
4,020

1,407

2,613

AOCI (loss), end of period
 
$
(4,157
)
$
(873
)
$
(3,284
)
 
$
7,974

$
2,791

$
5,183

 
 
 
 
 
 
 
 
 
Pension and other postretirement plans: (2)
 
 
 
 
 
 
 
 
AOCI (loss), beginning of period
 
$
(200,954
)
$
(42,201
)
$
(158,753
)
 
$
(190,695
)
$
(66,744
)
$
(123,951
)
AOCI (loss), end of period
 
$
(200,954
)
$
(42,201
)
$
(158,753
)
 
$
(190,695
)
$
(66,744
)
$
(123,951
)
 
 
 
 
 
 
 
 
 
Total
 
 
 
 
 
 
 
 
AOCI (loss), beginning of period
 
$
(197,544
)
$
(41,485
)
$
(156,059
)
 
$
(186,741
)
$
(65,360
)
$
(121,381
)
Investment securities
 
(7,567
)
(1,589
)
(5,978
)
 
4,020

1,407

2,613

Pension and other postretirement plans
 
0

0

0

 
0

0

0

OCI (loss)
 
(7,567
)
(1,589
)
(5,978
)
 
4,020

1,407

2,613

AOCI (loss), end of period
 
$
(205,111
)
$
(43,074
)
$
(162,037
)
 
$
(182,721
)
$
(63,953
)
$
(118,768
)


(1)
Deferred taxes were recognized at the corporate rate of 21% for the three and six months ended June 30, 2018 and 35% for the three and six months ended June 30, 2017.
(2)
There are no comprehensive income items or amounts reclassified out of accumulated other comprehensive loss related to postretirement plan items during interim periods.
(3)
ASU 2016-01 required a reclassification of unrealized losses of equity securities from AOCI to retained earnings at January 1, 2018. See Note 2, "Significant Accounting Policies".