Investments (Available For Sale Investments In An Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012 securities	Dec. 31, 2011 securities
Gross Fair Value:
Total fixed maturity investments, available for sale, Gross Fair Value	$ 0	$ 9,440
Unrealized loss:
Total fixed maturity investments, available for sale, Unrealized Loss	0	292
Other details:
Number of securities in an unrealized loss position	0	3
Corporate Debt, Financial Institutions [Member]
Gross Fair Value:
Less than 12 months, Gross Fair Value	0	9,440
Unrealized loss:
Less than 12 months, Unrealized Loss	$ 0	$ 292

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

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- Definition

Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the available-for-sale investments determined to be temporarily impaired.

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