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NOTE 5: INVESTMENT SECURITIES: Investment, Policy (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Details |  |
Fair Value of Debt Securities Reported Less Than Their Historical Cost | $ 117,500 | $ 89,700
Debt Securities Reported Less Than Their Historical Cost Percent of Investment Portfolio | 61.40% | 50.00%

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