v2.3.0.15

Investments (Schedule Of Fixed Maturity Investments Included In Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
Amortized Cost	$ 139,283		$ 225,549
Gross Unrealized Gains	11,414		20,042
Gross Unrealized Losses	(728)		(674)
Fair Value	149,969		244,917
Non-Credit Other-Than-Temporary Impairments	(2,048)	[1]	(4,479)	[1]
Non-U.S. Government (Sovereign Debt) [Member]
Amortized Cost	10,685		23,836
Gross Unrealized Gains	998		2,830
Gross Unrealized Losses	(32)		(146)
Fair Value	11,651		26,520
Non-U.S. Government Backed-Corporate [Member]
Amortized Cost	313		1,332
Gross Unrealized Gains	11		53
Fair Value	324		1,385
Corporate [Member]
Amortized Cost	20,308		33,018
Gross Unrealized Gains	1,297		3,768
Gross Unrealized Losses	(595)		(404)
Fair Value	21,010		36,382
Non-Credit Other-Than-Temporary Impairments	(147)	[1]	(1,818)	[1]
Agency Mortgage-Backed [Member]
Amortized Cost	15,184		17,159
Gross Unrealized Gains	1,243		1,245
Fair Value	16,427		18,404
Non-Agency Mortgage-Backed [Member]
Amortized Cost	22,027		24,972
Gross Unrealized Gains	2,097		3,452
Gross Unrealized Losses	(86)		(40)
Fair Value	24,038		28,384
Non-Credit Other-Than-Temporary Impairments	(1,901)	[1]	(2,063)	[1]
Commercial Mortgage-Backed [Member]
Amortized Cost	65,774		86,194
Gross Unrealized Gains	5,537		7,570
Gross Unrealized Losses	(15)		(29)
Fair Value	71,296		93,735
Asset-Backed [Member]
Amortized Cost	4,992		39,038
Gross Unrealized Gains	231		1,124
Gross Unrealized Losses			(55)
Fair Value	5,223		40,107
Non-Credit Other-Than-Temporary Impairments			$ (598)	[1]
[1] Represents the non-credit component of other-than-temporary impairments recognized in accumulated other comprehensive income since the adoption of guidance related to the recognition and presentation of other-than-temporary impairments under FASB ASC Topic Investments - Debt and Equity Securities, during the second quarter of 2009, adjusted for subsequent sales of securities. It does not include the change in fair value subsequent to the impairment measurement date.

X

- Definition

Total of accumulated other comprehensive loss related to that portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable.

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- Definition

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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For an unclassified balance sheet, total of debt securities categorized neither as held-to-maturity nor trading.

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