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This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

+ 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 (d)

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

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- Definition

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

-Subparagraph (a)

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

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- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities and excluding other than temporary impairments (OTTI), if any, recognized elsewhere.

+ References

No definition available.

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- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.7(c),9(a))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563

Reference 4: 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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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 5

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- Definition

The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

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Investments, Gain (Loss) on Investments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Gain (Loss) on Investments [Line Items]
Net realized gains (losses) on securities	$ 434us-gaap_GainLossOnInvestments	$ 632us-gaap_GainLossOnInvestments	$ 522us-gaap_GainLossOnInvestments	$ (231)us-gaap_GainLossOnInvestments	$ 2,126us-gaap_GainLossOnInvestments	$ (139)us-gaap_GainLossOnInvestments	$ 2,485us-gaap_GainLossOnInvestments	$ 1,259us-gaap_GainLossOnInvestments	$ 1,357us-gaap_GainLossOnInvestments	$ 5,731us-gaap_GainLossOnInvestments	$ 195,409us-gaap_GainLossOnInvestments
Change in net unrealized gains (losses)									91,784	(126,173)	(78,546)
Gross realized gains, gross realized losses and impairment losses [Abstract]
Gross realized gains									4,966	11,043	213,827
Gross realized losses									(3,465)	(4,984)	(16,108)
Impairment losses									(144)	(328)	(2,310)
Net realized gains (losses) on securities	434us-gaap_GainLossOnInvestments	632us-gaap_GainLossOnInvestments	522us-gaap_GainLossOnInvestments	(231)us-gaap_GainLossOnInvestments	2,126us-gaap_GainLossOnInvestments	(139)us-gaap_GainLossOnInvestments	2,485us-gaap_GainLossOnInvestments	1,259us-gaap_GainLossOnInvestments	1,357us-gaap_GainLossOnInvestments	5,731us-gaap_GainLossOnInvestments	195,409us-gaap_GainLossOnInvestments
Available-for-Sale Securities [Member]
Gain (Loss) on Investments [Line Items]
Net realized gains (losses) on securities									1,357	5,731	195,409
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized gains (losses) on securities									1,357	5,731	195,409
Available-for-Sale Securities [Member] \| Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Net realized gains (losses) on securities									1,000	3,274	195,652
Change in net unrealized gains (losses)									91,718	(126,020)	(78,604)
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized gains (losses) on securities									1,000	3,274	195,652
Available-for-Sale Securities [Member] \| Equity Securities [Member]
Gain (Loss) on Investments [Line Items]
Net realized gains (losses) on securities									356	1,068	487
Change in net unrealized gains (losses)									66	(153)	58
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized gains (losses) on securities									356	1,068	487
Available-for-Sale Securities [Member] \| Other [Member]
Gain (Loss) on Investments [Line Items]
Net realized gains (losses) on securities									1	1,389	(730)
Change in net unrealized gains (losses)									0	0	0
Gross realized gains, gross realized losses and impairment losses [Abstract]
Net realized gains (losses) on securities									$ 1	$ 1,389	$ (730)