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Investment Securities: Available for Sale Securities by Contractual Maturity Policy (Policies) | 3 Months Ended
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Jun. 30, 2012
Available for Sale Securities by Contractual Maturity Policy: |
Available for Sale Securities by Contractual Maturity Policy | The amortized cost and fair value of available-for-sale securities at June 30, 2012, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

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