Investments (Details 4) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Proceeds received from sales of fixed maturities and equity securities
Proceeds received, Fixed maturity securities	$ 110,872	$ 82,090
Proceeds received, Equity securities	5,489	6,147
Fixed maturity securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	2,489	2,476
Gross losses realized	(881)	(492)
Equity securities [Member]
Proceeds received from sales of fixed maturities and equity securities
Gross gains realized	1,048	520
Gross losses realized	$ (192)	$ (646)

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
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The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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