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Investments - Reconciliation of Credit Losses Recognized in Earnings on Fixed Maturity Securities Held by Company (Details) (USD $)
In Thousands, unless otherwise specified
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3 Months Ended |
6 Months Ended |
|
Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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| Credit Losses Recognized in Earnings on Fixed Maturity Securities [Roll Forward] |
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|
|
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| Credit losses on securities held at beginning of the period in accumulated other comprehensive income |
$ 16,532 |
$ 15,384 |
$ 16,375 |
$ 15,260 |
| Additions for credit losses not previously recognized in other-than-temporary impairment |
0 |
0 |
4 |
27 |
| Additions for increases in the credit loss for which an other- than-temporary impairment was previously recognized when there was no intent to sell the security before recovery of its amortized cost basis |
107 |
231 |
265 |
333 |
| Reductions for securities sold during the period |
0 |
0 |
0 |
0 |
| Reductions for securities previously recognized in other comprehensive income (loss) because of intent to sell the security before recovery of its amortized cost basis |
0 |
0 |
0 |
0 |
| Reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security |
(5) |
(4) |
(10) |
(9) |
| Credit losses on securities held at the end of the period in accumulated other comprehensive income |
$ 16,634 |
$ 15,611 |
$ 16,634 |
$ 15,611 |