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Note 2: Investments in Debt and Equity Securities: Other-than-temporary Impairment Policy (Policies) | 12 Months Ended
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Dec. 31, 2012
Policies |
Other-than-temporary Impairment Policy | Other-than-Temporary Impairment Upon acquisition of a security, the Company decides whether it is within the scope of the accounting guidance for beneficial interests in securitized financial assets or will be evaluated for impairment under the accounting guidance for investments in debt and equity securities. The accounting guidance for beneficial interests in securitized financial assets provides incremental impairment guidance for a subset of the debt securities within the scope of the guidance for investments in debt and equity securities. For securities where the security is a beneficial interest in securitized financial assets, the Company uses the beneficial interests in securitized financial asset impairment model. For securities where the security is not a beneficial interest in securitized financial assets, the Company uses the debt and equity securities impairment model. The Company does not currently have securities within the scope of this guidance for beneficial interests in securitized financial assets. The Company routinely conducts periodic reviews to identify and evaluate each investment security to determine whether an other-than-temporary impairment has occurred. The Company considers the length of time a security has been in an unrealized loss position, the relative amount of the unrealized loss compared to the carrying value of the security, the type of security and other factors. If certain criteria are met, the Company performs additional review and evaluation using observable market values or various inputs in economic models to determine if an unrealized loss is other than temporary. The Company uses quoted market prices for marketable equity securities and uses broker pricing quotes based on observable inputs for equity investments that are not traded on a stock exchange. For nonagency collateralized mortgage obligations, to determine if the unrealized loss is other than temporary, the Company projects total estimated defaults of the underlying assets (mortgages) and multiplies that calculated amount by an estimate of realizable value upon sale in the marketplace (severity) in order to determine the projected collateral loss. The Company also evaluates any current credit enhancement underlying these securities to determine the impact on cash flows. If the Company determines that a given security position will be subject to a write-down or loss, the Company records the expected credit loss as a charge to earnings. During 2012, the Company determined that the impairment of a nonagency collateralized mortgage obligation with a book value of $680,000 had become other than temporary. Consequently, the Company recorded a total of $680,000 of pre-tax charges to income. During 2011, the Company determined that the impairment of a nonagency collateralized mortgage obligation with a book value of $1.8 million had become other than temporary. Consequently, the Company recorded a total of $615,000 of pre-tax charges to income. This was the same nonagency collateralized mortgage obligation that was also determined to be impaired during 2012. During 2010, no securities were determined to have impairment that had become other than temporary.

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