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Investments (Unrealized Gains on Investments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Net unrealized gains | $ 69,224 | $ 123,683 | $ 79,237
Deferred income tax expense | (24,228) | (43,289) | (27,733)
Net unrealized gains, net of deferred income tax | 44,996 | 80,394 | 51,504
(Decrease) increase in net unrealized gains in OCI, net of deferred income tax | (35,398) | 28,890 | (70,824)
AFS Fixed Income Securities [Member] |  |  |
Net unrealized gains | 55,689 | 90,336 | 39,559
Equity Securities [Member] |  |  |
Net unrealized gains | 13,235 | 32,389 | 37,421
Available-for-sale Securities [Member] |  |  |
Net unrealized gains | 68,924 | 122,725 | 76,980
Total HTM Securities [Member] |  |  |
Net unrealized gains | $ 300 | $ 958 | $ 2,257

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- Definition Tax effect of unrealized gain (loss) on investments in accumulated other comprehensive income. + References No definition available. + Details
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- Definition This item represents the net unrealized gains (losses) on investments in other comprehensive income, net of deferred income tax. + References No definition available. + Details
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- Definition Total change in unrealized gains/losses on investment securities net of tax. + References No definition available. + Details
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