Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
unlocking_adjustment
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
| Schedule of Deferred Acquisition Costs [Line Items] |
|
|
|
| Derivatives, index options |
$ 120,644
|
$ 38,409
|
|
| Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |
|
|
|
| Deferred policy acquisition costs, beginning of year |
853,451
|
802,919
|
$ 785,706
|
| Policy acquisition costs deferred: |
119,856
|
131,392
|
141,868
|
| Amortization of deferred policy acquisition costs |
(121,139)
|
(120,333)
|
(115,154)
|
| Adjustments for unrealized (gains) losses on investment securities |
(16,974)
|
39,473
|
(9,501)
|
| Deferred policy acquisition costs, end of year |
835,194
|
853,451
|
802,919
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Deferred sales inducements, beginning of year |
159,166
|
159,766
|
169,570
|
| Sales inducement costs deferred |
19,302
|
17,704
|
18,355
|
| Amortization of sales inducements |
(26,922)
|
(28,559)
|
(26,357)
|
| Adjustments for unrealized (gains) losses on investment securities |
(4,435)
|
10,255
|
(1,802)
|
| Deferred sales inducements, end of year |
$ 147,111
|
159,166
|
159,766
|
| Number of unlocking adjustments | unlocking_adjustment |
2
|
|
|
| Decrease in amortization during the year |
|
|
(1,400)
|
| True-up adjustments recorded |
$ 3,900
|
(2,800)
|
(7,200)
|
| True-up adjustment in deferred sales inducement |
6,200
|
3,900
|
1,600
|
| Increase in contract interest expense |
1,700
|
|
1,800
|
| Summary of Premiums and Deposits Collected |
|
|
|
| Annuity deposits |
730,740
|
775,010
|
833,273
|
| Universal life insurance deposits |
250,459
|
277,229
|
280,980
|
| Traditional life and other premiums |
22,377
|
23,162
|
22,651
|
| Totals |
1,003,576
|
1,075,401
|
1,136,904
|
| Statutory Accounting Practices |
|
|
|
| Net gain from operations before Federal and foreign income taxes |
124,571
|
8,139
|
95,892
|
| Net income |
88,712
|
7,060
|
77,220
|
| Unassigned surplus |
1,207,298
|
1,127,140
|
1,141,579
|
| Capital and surplus |
1,251,361
|
1,171,203
|
1,185,643
|
| Agents' Commissions |
|
|
|
| Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |
|
|
|
| Policy acquisition costs deferred: |
112,048
|
124,498
|
134,262
|
| Other Costs |
|
|
|
| Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] |
|
|
|
| Policy acquisition costs deferred: |
7,808
|
6,894
|
$ 7,606
|
| Updating Surrender And Annuitization Rates on Index |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Increase in amortization during the year |
3,700
|
|
|
| Updating DPAC Future Gross Profit Projections |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Decrease in amortization during the year |
$ (2,100)
|
|
|
| Minimum |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Interest rate range to calculate future mortality |
3.25%
|
|
|
| Maximum |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Interest rate range to calculate future mortality |
8.00%
|
|
|
| Domestic Life Insurance |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Decrease in amortization during the year |
$ (8,200)
|
|
|
| International Life Insurance |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Decrease in amortization during the year |
$ (7,300)
|
(7,100)
|
|
| Annuities |
|
|
|
| Movement in Deferred Sales Inducements [Roll Forward] |
|
|
|
| Increase in amortization during the year |
|
$ 5,300
|
|