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Investments (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Proceeds received from sales of fixed maturities and equity securities
Proceeds received, Fixed maturity securities	$ 174,944	$ 165,201	$ 257,033	$ 246,521
Proceeds received, Equity securities	6,474	6,840	12,622	20,809
Fixed maturity securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	8,382	10,577	10,858	12,231
Gross losses realized	(948)	(1,282)	(1,440)	(1,745)
Equity securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	650	596	1,170	5,198
Gross losses realized	$ (195)	$ (107)	$ (841)	$ (117)

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
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