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Investments (Details 4) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Proceeds received from sales of fixed maturities and equity securities |  |
Proceeds received, Fixed maturity securities | $ 82,090 | $ 81,320
Proceeds received, Equity securities | 6,147 | 13,969
Fixed maturity securities [Member] |  |
Proceeds received from sales of fixed maturities and equity securities |  |
Gross gains realized | 2,476 | 1,654
Gross losses realized | (492) | (463)
Equity securities [Member] |  |
Proceeds received from sales of fixed maturities and equity securities |  |
Gross gains realized | 520 | 4,602
Gross losses realized | $ (646) | $ (10)

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