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Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Schedule of Changes in Balances of Each Component of Accumulated Other Comprehensive Income The following tables detail the changes in the balances of each component of accumulated other comprehensive income for the affected periods:
 
 
Unrealized Gains
(Losses) on
Available for
Sale Securities
(1)
 
Amortization of
Postretirement
Benefit
(1)
 
Gain (Loss) on
Foreign Currency
Translation
(1)
 
Credit Risk Changes of Fair Value Option Liabilities (1) (2)
 
Total
Three Months Ended September 30, 2018:
 
 
 
 
 
 
 
 
 
 
Beginning Balance
 
$
153,634

 
$
9,479

 
$
(114,567
)
 
$
(2,692
)
 
$
45,854

Other comprehensive income (loss) before reclassifications
 
90,742

 

 
(8,873
)
 

 
81,869

Amounts reclassified from accumulated other comprehensive income (loss)
 
(29,935
)
 
(303
)
 

 
340

 
(29,898
)
Net current period other comprehensive income (loss)
 
60,807

 
(303
)
 
(8,873
)
 
340

 
51,971

Balance at September 30, 2018
 
$
214,441

 
$
9,176

 
$
(123,440
)
 
$
(2,352
)
 
$
97,825

 
 
 
 
 
 
 
 
 
 
 
Three Months Ended September 30, 2017:
 
 
 
 
 
 
 
 
 
 
Beginning Balance
 
$
152,847

 
$
11,316

 
$
(125,335
)
 
$

 
$
38,828

Other comprehensive income (loss) before reclassifications
 
(7,801
)
 

 
24,624

 

 
16,823

Amounts reclassified from accumulated other comprehensive income (loss)
 
7,367

 
(338
)
 

 

 
7,029

Net current period other comprehensive income (loss)
 
(434
)
 
(338
)
 
24,624

 

 
23,852

Balance at September 30, 2017
 
$
152,413

 
$
10,978

 
$
(100,711
)
 
$

 
$
62,680

 
 
 
 
 
 
 
 
 
 
 
Nine Months Ended September 30, 2018:
 
 
 
 
 
 
 
 
 
 
Beginning Balance
 
$
30,755

 
$
10,640

 
$
(93,634
)
 
$

 
$
(52,239
)
Adjustment to opening balance, net of taxes (3)
 

 

 

 
(2,900
)
 
(2,900
)
Adjusted balance, beginning of period
 
30,755

 
10,640

 
(93,634
)
 
(2,900
)
 
(55,139
)
Other comprehensive income (loss) before reclassifications
 
264,318

 
(556
)
 
(29,806
)
 

 
233,956

Amounts reclassified from accumulated other comprehensive income (loss)
 
(80,632
)
 
(908
)
 

 
548

 
(80,992
)
Net current period other comprehensive income (loss)
 
183,686

 
(1,464
)
 
(29,806
)
 
548

 
152,964

Balance at September 30, 2018
 
$
214,441

 
$
9,176

 
$
(123,440
)
 
$
(2,352
)
 
$
97,825

 
 
 
 
 
 
 
 
 
 
 
Nine Months Ended September 30, 2017:
 
 
 
 
 
 
 
 
 
 
Beginning Balance
 
$
118,863

 
$
9,367

 
$
(167,220
)
 
$

 
$
(38,990
)
Other comprehensive income (loss) before reclassifications
 
19,769

 
2,625

 
66,509

 

 
88,903

Amounts reclassified from accumulated other comprehensive income (loss)
 
13,781

 
(1,014
)
 

 

 
12,767

Net current period other comprehensive income (loss)
 
33,550

 
1,611

 
66,509

 

 
101,670

Balance at September 30, 2017
 
$
152,413

 
$
10,978

 
$
(100,711
)
 
$

 
$
62,680

(1)
All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income.
(2)
Represents the changes in fair value attributable to instrument-specific credit risk of liabilities for which the fair value option is elected.
(3)
Beginning in 2018, credit risk changes of fair value option liabilities are reflected as a component of Accumulated Other Comprehensive Income pursuant to the adoption of ASU 2016-01. See Note 2 to the Consolidated Financial Statements included in this Form 10-Q for further information regarding this change.
Schedule of Amounts Reclassed Out of Each Component of Accumulated Other Comprehensive Income The following table details the significant amounts reclassified from each component of accumulated other comprehensive income, shown in the above rollforward tables, for the affected periods:
Details about Accumulated
Other Comprehensive
Income Components
 
Amount Reclassified from Accumulated Other Comprehensive Income (1)
 
Affected Line Item in the
Consolidated Statement of
Total Comprehensive Income (Loss)
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
 
2018
 
2017
 
2018
 
2017
 
Unrealized Gains (Losses) on Available-for-Sale Securities
 
 
 
 
 
 
 
 
 
 
 
 
$
(30,560
)
 
$
7,367

 
$
(81,843
)
 
$
13,781

 
Net realized investment gains (losses) and other-than-temporary impairment losses
 
 
625

 

 
1,211

 

 
Provision for income taxes
 
 
$
(29,935
)
 
$
7,367

 
$
(80,632
)
 
$
13,781

 
Net of tax and noncontrolling interest 
Amortization of Postretirement Benefit
 
 
 
 
 
 
 
 
 
 
Prior service cost
 
$
(241
)
 
$
(241
)
 
$
(723
)
 
$
(723
)
 
Other income (2)
Actuarial (losses)
 
(62
)
 
(97
)
 
(185
)
 
(291
)
 
Other income (2)
 
 
(303
)
 
(338
)
 
(908
)
 
(1,014
)
 
Total before tax
 
 

 

 

 

 
Provision for income taxes
 
 
(303
)
 
(338
)
 
$
(908
)
 
$
(1,014
)
 
Net of tax and noncontrolling interest
Credit risk changes of fair value option liabilities
 
 
 
 
 
 
 
 
 
 
 
 
$
380

 
$

 
$
630

 
$

 
Credit Risk Changes of Fair Value Option Liabilities
 
 
(40
)
 

 
(82
)
 

 
Provision for income taxes
 
 
$
340

 
$

 
$
548

 
$

 
Net of tax and noncontrolling interest
Total reclassifications for the period
 
$
(29,898
)
 
$
7,029

 
$
(80,992
)
 
$
12,767

 
Net of tax and noncontrolling interest 
(1)
Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income with corresponding increases to the affected line items in the Consolidated Statement of Total Comprehensive Income.
(2)
These accumulated other comprehensive income components are included in the computation of net periodic benefit cost.