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Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2016
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) |  | Total
Three Months Ended September 30, 2016: |  |  |  |  |  |  |
Beginning Balance | $ | 158,924 |  |  | $ | 9,876 |  |  | $ | (118,025 | ) |  | $ | 50,775 |
Other comprehensive income before reclassifications | 33,625 |  |  | — |  |  | (13,323 | ) |  | 20,302 |
Amounts reclassified from accumulated other comprehensive income | (8,906 | ) |  | (254 | ) |  | — |  |  | (9,160 | )
Net current period other comprehensive income (loss) | 24,719 |  |  | (254 | ) |  | (13,323 | ) |  | 11,142 |
Balance at September 30, 2016 | $ | 183,643 |  |  | $ | 9,622 |  |  | $ | (131,348 | ) |  | $ | 61,917 |
Three Months Ended September 30, 2015: |  |  |  |  |  |  |
Beginning Balance | $ | 79,406 |  |  | $ | 9,784 |  |  | $ | 6,172 |  |  | $ | 95,362 |
Other comprehensive income before reclassifications | 1,342 |  |  | — |  |  | (30,637 | ) |  | (29,295 | )
Amounts reclassified from accumulated other comprehensive income | 7,040 |  |  | (220 | ) |  | — |  |  | 6,820 |
Net current period other comprehensive income (loss) | 8,382 |  |  | (220 | ) |  | (30,637 | ) |  | (22,475 | )
Balance at September 30, 2015 | $ | 87,788 |  |  | $ | 9,564 |  |  | $ | (24,465 | ) |  | $ | 72,887 |
Nine Months Ended September 30, 2016: |  |  |  |  |  |  |
Beginning Balance | $ | 50,963 |  |  | $ | 9,344 |  |  | $ | (45,092 | ) |  | $ | 15,215 |
Other comprehensive income before reclassifications | 140,810 |  |  | — |  |  | (86,256 | ) |  | 54,554 |
Amounts reclassified from accumulated other comprehensive income | (8,130 | ) |  | 278 |  |  | — |  |  | (7,852 | )
Net current period other comprehensive income (loss) | 132,680 |  |  | 278 |  |  | (86,256 | ) |  | 46,702 |
Balance at September 30, 2016 | $ | 183,643 |  |  | $ | 9,622 |  |  | $ | (131,348 | ) |  | $ | 61,917 |
Nine Months Ended September 30, 2015: |  |  |  |  |  |  |
Beginning Balance | $ | 210,693 |  |  | $ | 10,031 |  |  | $ | (441 | ) |  | $ | 220,283 |
Other comprehensive income before reclassifications | (85,313 | ) |  | — |  |  | (24,024 | ) |  | (109,337 | )
Amounts reclassified from accumulated other comprehensive income | (37,592 | ) |  | (467 | ) |  | — |  |  | (38,059 | )
Net current period other comprehensive income (loss) | (122,905 | ) |  | (467 | ) |  | (24,024 | ) |  | (147,396 | )
Balance at September 30, 2015 | $ | 87,788 |  |  | $ | 9,564 |  |  | $ | (24,465 | ) |  | $ | 72,887 |
(1) | All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate debits.
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:
|  | Amount Reclassified from Accumulated Other Comprehensive Income (1) |  | Affected Line Item in the
Details about Accumulated Other |  | Three Months Ended September 30, |  | Consolidated Statement of
Comprehensive Income Components |  | 2016 |  | 2015 |  | Total Comprehensive Income (Loss)
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |  |
|  | $ | (8,906 | ) |  | $ | 7,040 |  |  | Net realized investment (losses) gains and other-than-temporary impairment losses
|  | — |  |  | — |  |  | Tax (expense) benefit
|  | $ | (8,906 | ) |  | $ | 7,040 |  |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |  |
Prior service cost |  | $ | (167 | ) |  | $ | (167 | ) |  | Operating expenses (2)
Actuarial (losses) |  | (87 | ) |  | (53 | ) |  | Operating expenses (2)
|  | (254 | ) |  | (220 | ) |  | Total before tax
|  | — |  |  | — |  |  | Tax (expense) benefit
|  | $ | (254 | ) |  | $ | (220 | ) |  | Net of tax and noncontrolling interest
Total reclassifications for the period |  | $ | (9,160 | ) |  | $ | 6,820 |  |  | Net of tax and noncontrolling interest
|  | Nine Months Ended September 30, |  |
|  | 2016 |  | 2015 |  |
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |  |
|  | $ | (8,130 | ) |  | $ | (37,592 | ) |  | Net realized investment (losses) gains and other-than-temporary impairment losses
|  | — |  |  | — |  |  | Tax (expense) benefit
|  | $ | (8,130 | ) |  | $ | (37,592 | ) |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |  |
Prior service cost |  | $ | (500 | ) |  | $ | (500 | ) |  | Operating expenses (2)
Actuarial gains |  | 778 |  |  | 33 |  |  | Operating expenses (2)
|  | 278 |  |  | (467 | ) |  | Total before tax
|  | — |  |  | — |  |  | Tax (expense) benefit
|  | $ | 278 |  |  | $ | (467 | ) |  | Net of tax and noncontrolling interest
Total reclassifications for the period |  | $ | (7,852 | ) |  | $ | (38,059 | ) |  | Net of tax and noncontrolling interest
(1) | Amounts in parentheses indicate debits to the Consolidated Statement of Total Comprehensive Income (Loss).
(2) | These accumulated other comprehensive income components are included in the computation of net periodic benefit cost.

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