Investments Gains and Losses by Security Type (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	$ 390	$ 134	$ 2,322
Available-for-sale, Gross Realized Gains, Fair Value at Sale	116,923	23,342	30,906
Available-for-sale Securities, Gross Realized Losses	(410)	(263)	(162)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	12,918	43,779	9,634
Available-for-sale Securities, Gross Realized Gain (Loss)	(20)	(129)	2,160
Available-for-sale, Gross Realized Gains (Losses), Fair Value at Sale	129,841	67,121	40,540
Fixed Maturities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	92	103	2,043
Available-for-sale, Gross Realized Gains, Fair Value at Sale	5,598	23,187	28,999
Available-for-sale Securities, Gross Realized Losses	(228)	(261)	(141)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	11,389	43,751	9,243
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Gains	298	31	279
Available-for-sale, Gross Realized Gains, Fair Value at Sale	111,325	155	1,907
Available-for-sale Securities, Gross Realized Losses	(182)	(2)	(21)
Available-for-sale, Gross Realized Losses, Fair Value at Sale	$ 1,529	$ 28	$ 391

Available-for-sale, Gross Realized Gains, Fair Value at Sale

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Available-for-sale, Gross Realized Gains (Losses), Fair Value at Sale

+ References

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Available-for-sale, Gross Realized Losses, Fair Value at Sale

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity 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

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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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.

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

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