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Derivative Instruments (Tables)
 9 Months Ended
Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value
The following table presents the notional amounts and gross fair value of derivative instruments prior to taking into account the netting effects of master netting agreements as of September 30, 2017 and December 31, 2016 (dollars in thousands):
 
 
September 30, 2017
 
December 31, 2016
 
 
Notional
 
Carrying Value/Fair Value
 
Notional
 
Carrying Value/Fair Value
 
 
Amount
 
Assets
 
Liabilities
 
Amount
 
Assets
 
Liabilities
Derivatives not designated as hedging instruments:
 
 
 
 
 
 
 
 
 
 
 
 
Interest rate swaps
 
$
946,726

 
$
61,263

 
$
1,825

 
$
949,556

 
$
78,405

 
$
5,949

Financial futures
 
448,600

 
—

 
—

 
475,968

 
—

 
—

Foreign currency forwards
 
6,000

 
(84
)
 
—

 
25,000

 
—

 
5,070

Consumer price index swaps
 
132,081

 
589

 
420

 
20,615

 
—

 
262

Credit default swaps
 
948,000

 
7,905

 
490

 
926,000

 
12,012

 
2,871

Equity options
 
541,532

 
20,006

 
—

 
525,894

 
33,459

 
—

Longevity swaps
 
945,120

 
37,827

 
—

 
841,360

 
26,958

 
—

Mortality swaps
 
50,000

 
—

 
1,683

 
50,000

 
—

 
2,462

Synthetic guaranteed investment contracts
 
9,119,434

 
—

 
—

 
8,834,700

 
—

 
—

Embedded derivatives in:
 
 
 
 
 
 
 
 
 
 
 
 
Modified coinsurance or funds withheld arrangements
 
—

 
84,325

 
—

 
—

 
—

 
22,529

Indexed annuity products
 
—

 
—

 
821,821

 
—

 
—

 
805,672

Variable annuity products
 
—

 
—

 
168,119

 
—

 
—

 
184,636

Total non-hedging derivatives
 
13,137,493

 
211,831

 
994,358

 
12,649,093

 
150,834

 
1,029,451

Derivatives designated as hedging instruments:
 
 
 
 
 
 
 
 
 
 
 
 
Interest rate swaps
 
435,000

 
—

 
22,133

 
435,000

 
27,901

 
31,223

Foreign currency swaps
 
796,489

 
71,032

 
13,876

 
928,505

 
104,359

 
734

Foreign currency forwards
 
331,135

 
1,418

 
10,203

 
—

 
—

 
—

Total hedging derivatives
 
1,562,624

 
72,450

 
46,212

 
1,363,505

 
132,260

 
31,957

Total derivatives
 
$
14,700,117

 
$
284,281

 
$
1,040,570

 
$
14,012,598

 
$
283,094

 
$
1,061,408
Offsetting Assets [Table Text Block]
The following table provides information relating to the Company’s derivative instruments as of September 30, 2017 and December 31, 2016 (dollars in thousands):
 
 
 
 
 
 
 
 
Gross Amounts Not
Offset in the Balance Sheet
 
 
 
 
Gross Amounts   
Recognized
 
Gross Amounts
Offset in the
Balance Sheet   
 
Net Amounts
Presented in the
Balance Sheet   
 
Financial
Instruments (1)    
 
Cash Collateral   
Pledged/
Received
 
Net Amount   
September 30, 2017:
 
 
 
 
 
 
 
 
 
 
 
 
Derivative assets
 
$
199,956

 
$
(28,724
)
 
$
171,232

 
$
(17,782
)
 
$
(174,120
)
 
$
(20,670
)
Derivative liabilities
 
50,630

 
(28,724
)
 
21,906

 
(58,360
)
 
(30,771
)
 
(67,225
)
December 31, 2016:
 
 
 
 
 
 
 
 
 
 
 
 
Derivative assets
 
$
283,094

 
$
(27,028
)
 
$
256,066

 
$
(16,913
)
 
$
(254,498
)
 
$
(15,345
)
Derivative liabilities
 
48,571

 
(27,028
)
 
21,543

 
(95,863
)
 
(1,441
)
 
(75,761
)

(1)
Includes initial margin posted to a central clearing partner.
Offsetting Liabilities [Table Text Block]
The following table provides information relating to the Company’s derivative instruments as of September 30, 2017 and December 31, 2016 (dollars in thousands):
 
 
 
 
 
 
 
 
Gross Amounts Not
Offset in the Balance Sheet
 
 
 
 
Gross Amounts   
Recognized
 
Gross Amounts
Offset in the
Balance Sheet   
 
Net Amounts
Presented in the
Balance Sheet   
 
Financial
Instruments (1)    
 
Cash Collateral   
Pledged/
Received
 
Net Amount   
September 30, 2017:
 
 
 
 
 
 
 
 
 
 
 
 
Derivative assets
 
$
199,956

 
$
(28,724
)
 
$
171,232

 
$
(17,782
)
 
$
(174,120
)
 
$
(20,670
)
Derivative liabilities
 
50,630

 
(28,724
)
 
21,906

 
(58,360
)
 
(30,771
)
 
(67,225
)
December 31, 2016:
 
 
 
 
 
 
 
 
 
 
 
 
Derivative assets
 
$
283,094

 
$
(27,028
)
 
$
256,066

 
$
(16,913
)
 
$
(254,498
)
 
$
(15,345
)
Derivative liabilities
 
48,571

 
(27,028
)
 
21,543

 
(95,863
)
 
(1,441
)
 
(75,761
)

(1)
Includes initial margin posted to a central clearing partner.
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
The gain or loss on the hedged item attributable to a change in foreign currency and the offsetting gain or loss on the related foreign currency swaps as of September 30, 2017 and 2016, were (dollars in thousands):
Type of Fair Value Hedge
 
Hedged Item
 
Gains (Losses) Recognized for Derivatives
 
Gains (Losses) Recognized for Hedged Items
 
Ineffectiveness Recognized in Investment Related Gains (Losses), net
For the three months ended September 30, 2017:
 
 
 
 
 
 
Foreign currency swaps
 
Foreign-denominated fixed maturity securities
 
$
2,100

 
$
(2,100
)
 
$
—

For the three months ended September 30, 2016:
 
 
 
 
 
 
Foreign currency swaps
 
Foreign-denominated fixed maturity securities
 
$
3,205

 
$
(3,205
)
 
$
—

For the nine months ended September 30, 2017:
 
 
 
 
 
 
Foreign currency swaps
 
Foreign-denominated fixed maturity securities
 
$
9,541

 
$
(9,541
)
 
$
—

For the nine months ended September 30, 2016:
 
 
 
 
 
 
Foreign currency swaps
 
Foreign-denominated fixed maturity securities
 
$
5,317

 
$
(5,317
)
 
$
—
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]
The following table presents the components of AOCI, before income tax, and the condensed consolidated income statement classification where the gain or loss is recognized related to cash flow hedges for the three and nine months ended September 30, 2017 and 2016 (dollars in thousands):
 
 
Three months ended September 30,
 
 
2017
 
2016
Balance beginning of period
 
$
7,690

 
$
(41,192
)
Gains (losses) deferred in other comprehensive income (loss) on the effective portion of cash flow hedges
 
(6,889
)
 
932

Amounts reclassified to investment related (gains) losses, net
 
(183
)
 
(116
)
Amounts reclassified to investment income
 
(271
)
 
(221
)
Balance end of period
 
$
347

 
$
(40,597
)
 
 
 
 
 
 
 
Nine months ended September 30,
 
 
2017
 
2016
Balance beginning of period
 
$
(2,496
)
 
$
(29,397
)
Gains (losses) deferred in other comprehensive income (loss) on the effective portion of cash flow hedges
 
3,689

 
(10,866
)
Amounts reclassified to investment related (gains) losses, net
 
(142
)
 
53

Amounts reclassified to investment income
 
(704
)
 
(387
)
Balance end of period
 
$
347

 
$
(40,597
)
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
The following table presents the effective portion of derivatives in cash flow hedging relationships on the condensed consolidated statements of income and the condensed consolidated statements of comprehensive income for the three and nine months ended September 30, 2017 and 2016 (dollars in thousands):
 
 
Effective Portion
Derivative Type
 
Gain (Loss) Deferred in OCI
 
Gain (Loss) Reclassified into Income from OCI
 
 
 
 
Investment Related Gains (Losses)
 
Investment Income
For the three months ended September 30, 2017:
 
 
 
 
 
 
Interest rate
 
$
(8,421
)
 
$
—

 
$
—

Currency/Interest rate
 
1,544

 
—

 
230

Forward bond purchase commitments
 
(12
)
 
183

 
41

Total
 
$
(6,889
)
 
$
183

 
$
271

For the three months ended September 30, 2016:
 
 
 
 
 
 
Interest rate
 
$
(3,282
)
 
$
—

 
$
—

Currency/Interest rate
 
4,214

 
—

 
200

Forward bond purchase commitments
 
—

 
116

 
21

Total
 
$
932

 
$
116

 
$
221

 
 
 
 
 
 
 
For the nine months ended September 30, 2017:
 
 
 
 
 
 
Interest rate
 
$
(6,205
)
 
$
—

 
$
—

Currency/Interest rate
 
9,894

 
—

 
560

Forward bond purchase commitments
 
—

 
142

 
144

Total
 
$
3,689

 
$
142

 
$
704

For the nine months ended September 30, 2016:
 
 
 
 
 
 
Interest rate
 
$
(15,617
)
 
$
—

 
$
—

Currency/Interest rate
 
4,751

 
—

 
454

Forward bond purchase commitments
 
—

 
(53
)
 
(67
)
Total
 
$
(10,866
)
 
$
(53
)
 
$
387
Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block]
The following table illustrates the Company’s net investments in foreign operations (“NIFO”) hedges for the three and nine months ended September 30, 2017 and 2016 (dollars in thousands):
 
 
 
Derivative Gains (Losses) Deferred in AOCI     
 
 
For the three months ended September 30,
 
For the nine months ended September 30,
Type of NIFO Hedge (1) (2)
 
2017
 
2016
 
2017
 
2016
Foreign currency swaps
 
$
(35,198
)
 
$
8,341

 
$
(60,723
)
 
$
(23,151
)
Foreign currency forwards
 
4,627

 
—

 
8,785

 
—

Total
 
$
(30,571
)
 
$
8,341

 
$
(51,938
)
 
$
(23,151
)
 
(1)
There were no sales or substantial liquidations of net investments in foreign operations that would have required the reclassification of gains or losses from accumulated other comprehensive income (loss) into investment income during the periods presented.
(2)
There was no ineffectiveness recognized for the Company’s hedges of net investments in foreign operations.
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
A summary of the effect of non-hedging derivatives, including embedded derivatives, on the Company’s condensed consolidated statements of income for the three and nine months ended September 30, 2017 and 2016 is as follows (dollars in thousands):
 
 
 
 
Gain (Loss) for the three months ended September 30,
Type of Non-hedging Derivative
 
Income Statement Location of Gain (Loss)
 
2017
 
2016
Interest rate swaps
 
Investment related gains (losses), net
 
$
641

 
$
4,122

Financial futures
 
Investment related gains (losses), net
 
(8,890
)
 
(11,677
)
Foreign currency forwards
 
Investment related gains (losses), net
 
24

 
507

CPI swaps
 
Investment related gains (losses), net
 
220

 
76

Credit default swaps
 
Investment related gains (losses), net
 
4,137

 
6,672

Equity options
 
Investment related gains (losses), net
 
(8,295
)
 
(13,648
)
Longevity swaps
 
Other revenues
 
3,334

 
8,921

Mortality swaps
 
Other revenues
 
(132
)
 
(400
)
Subtotal
 
 
 
(8,961
)
 
(5,427
)
Embedded derivatives in:
 
 
 
 
 
 
Modified coinsurance or funds withheld arrangements
 
Investment related gains (losses), net
 
23,044

 
49,078

Indexed annuity products
 
Interest credited
 
(13,133
)
 
(20,104
)
Variable annuity products
 
Investment related gains (losses), net
 
(6,205
)
 
7,988

Total non-hedging derivatives
 
 
 
$
(5,255
)
 
$
31,535

 
 
 
 
 
 
 
 
 
 
 
Gain (Loss) for the nine months ended        
September 30,
Type of Non-hedging Derivative
 
Income Statement Location of Gain (Loss)
 
2017
 
2016
Interest rate swaps
 
Investment related gains (losses), net
 
$
12,318

 
$
108,149

Financial futures
 
Investment related gains (losses), net
 
(28,107
)
 
(30,285
)
Foreign currency forwards
 
Investment related gains (losses), net
 
577

 
6,584

CPI swaps
 
Investment related gains (losses), net
 
211

 
(624
)
Credit default swaps
 
Investment related gains (losses), net
 
15,374

 
13,536

Equity options
 
Investment related gains (losses), net
 
(34,757
)
 
(19,576
)
Longevity swaps
 
Other revenues
 
7,180

 
11,402

Mortality swaps
 
Other revenues
 
(921
)
 
222

Subtotal
 
 
 
(28,125
)
 
89,408

Embedded derivatives in:
 
 
 
 
 
 
Modified coinsurance or funds withheld arrangements
 
Investment related gains (losses), net
 
106,854

 
33,795

Indexed annuity products
 
Interest credited
 
(35,490
)
 
(20,730
)
Variable annuity products
 
Investment related gains (losses), net
 
16,518

 
(83,089
)
Total non-hedging derivatives
 
 
 
$
59,757

 
$
19,384
Disclosure Of Credit Derivatives
The following table presents the estimated fair value, maximum amount of future payments and weighted average years to maturity of credit default swaps sold by the Company at September 30, 2017 and December 31, 2016 (dollars in thousands):
 
 
September 30, 2017
 
December 31, 2016
Rating Agency Designation of Referenced Credit Obligations(1)
 
Estimated Fair
Value of Credit  
Default Swaps
 
Maximum
Amount of Future
Payments under
Credit Default
Swaps(2)
 
Weighted
Average
Years to
Maturity(3)
 
Estimated Fair
Value of Credit  
Default Swaps
 
Maximum
Amount of Future
Payments under
Credit Default
Swaps(2)
 
Weighted
Average
Years to
Maturity(3)  
AAA/AA+/AA/AA-/A+/A/A-
 
 
 
 
 
 
 
 
 
 
 
 
Single name credit default swaps
 
$
2,975

 
$
155,500

 
3.2
 
$
1,726

 
$
150,500

 
3.8
Subtotal
 
2,975

 
155,500

 
3.2
 
1,726

 
150,500

 
3.8
BBB+/BBB/BBB-
 
 
 
 
 
 
 
 
 
 
 
 
Single name credit default swaps
 
4,209

 
368,200

 
3.2
 
1,426

 
347,200

 
3.7
Credit default swaps referencing indices
 
56

 
416,000

 
4.2
 
6,295

 
416,000

 
5.0
Subtotal
 
4,265

 
784,200

 
3.7
 
7,721

 
763,200

 
4.4
BB+/BB/BB-
 
 
 
 
 
 
 
 
 
 
 
 
Single name credit default swaps
 
21

 
5,000

 
1.7
 
(477
)
 
9,000

 
3.5
Subtotal
 
21

 
5,000

 
1.7
 
(477
)
 
9,000

 
3.5
Total
 
$
7,261

 
$
944,700

 
3.6
 
$
8,970

 
$
922,700

 
4.3
 
(1)
The rating agency designations are based on ratings from Standard and Poor’s (“S&P”).
(2)
Assumes the value of the referenced credit obligations is zero.
(3)
The weighted average years to maturity of the credit default swaps is calculated based on weighted average notional amounts.
Changes In Estimated Fair Value Related To Embedded Derivatives
The related gains (losses) and the effect on net income after amortization of deferred acquisition costs (“DAC”) and income taxes for the three and nine months ended September 30, 2017 and 2016 are reflected in the following table (dollars in thousands):
 
Three months ended September 30,
 
Nine months ended September 30,
 
2017
 
2016
 
2017
 
2016
Embedded derivatives in modco or funds withheld arrangements included in investment related gains
$
23,044

 
$
49,078

 
$
106,854

 
$
33,795

After the associated amortization of DAC and taxes, the related amounts included in net income
7,515

 
9,653

 
36,300

 
1,683

Embedded derivatives in variable annuity contracts included in investment related gains
(6,205
)
 
7,988

 
16,518

 
(83,089
)
After the associated amortization of DAC and taxes, the related amounts included in net income
(1,074
)
 
2,595

 
30,785

 
(63,415
)
Amounts related to embedded derivatives in equity-indexed annuities included in benefits and expenses
(13,133
)
 
(20,104
)
 
(35,490
)
 
(20,730
)
After the associated amortization of DAC and taxes, the related amounts included in net income
(9,737
)
 
(13,397
)
 
(38,059
)
 
(9,979
)
Credit Risk
Information regarding the Company’s credit exposure related to its over-the-counter derivative contracts, centrally cleared derivative contracts and margin account for exchange-traded futures, excluding mortality swaps, at September 30, 2017 and December 31, 2016 are reflected in the following table (dollars in thousands):
 
 
September 30, 2017
 
December 31, 2016
Estimated fair value of derivatives in net asset position
 
$
151,009

 
$
236,985

Cash provided as collateral(1)
 
30,771

 
1,441

Securities pledged to counterparties as collateral(2)
 
58,360

 
95,863

Cash pledged from counterparties as collateral(3)
 
(174,120
)
 
(254,498
)
Securities pledged from counterparties as collateral(4)
 
(17,782
)
 
(16,913
)
Initial margin for cleared derivatives(2)
 
(58,360
)
 
(73,571
)
Net amount after application of master netting agreements and collateral
 
$
(10,122
)
 
$
(10,693
)
Margin account related to exchange-traded futures(5)
 
$
7,832

 
$
9,687

(1)
Consists of receivable from counterparty, included in other assets.
(2)
Included in available-for-sale securities, primarily consists of U.S. Treasury and government agency securities.
(3)
Included in cash and cash equivalents, with obligation to return cash collateral recorded in other liabilities.
(4)
Consists of U.S. Treasury and government securities.
(5)
Included in other assets.