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Investments (Investments Pledged as Collateral) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011 years securities
Investments [Abstract]
Number of fixed maturity securities pledged as collateral for borrowings with the Federal Home Loan Bank of Indianapolis	1
Fixed maturity security pledged at carrying value	$ 15.9
Outstanding borrowing with the Federal Home Loan Bank of Indianapolis	$ 13.0

X

- Definition

This item contains disclosure of the number of fixed maturity securities that are pledged as collateral for outstanding borrowings with the Federal Home Loan Bank of Indianapolis.

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- Definition

States the amount of the collateral pledged in support of Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

+ References

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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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