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Investments (Components Of Net Realized Gains, Excluding OTTI Charges) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Investments [Abstract]
HTM fixed maturity securities Gains	$ 0	$ 123,000	$ 9,000	$ 535,000
HTM fixed maturity securities Losses	(200,000)	(296,000)	(522,000)	(746,000)
AFS fixed maturity securities Gains	698,000	2,961,000	3,052,000	7,743,000
AFS fixed maturity securities Losses	(5,000)	(15,000)	(12,000)	(7,604,000)
AFS equity securities Gains	5,000	912,000	6,676,000	15,086,000
AFS equity securities Losses	0	(821,000)	0	(1,054,000)
Total other net realized investment gains	498,000	2,864,000	9,203,000	13,960,000
Total OTTI charges recognized in earnings	(2,543,000)	(2,807,000)	(3,342,000)	(17,231,000)
Total net realized (losses) gains	(2,045,000)	57,000	5,861,000	(3,271,000)
Proceeds From Sale Of Available For Sale Securities	22,000,000	49,700,000	145,800,000	234,100,000
Sale of equity securities, available-for-sale			$ 59,991,000	$ 76,277,000

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The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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