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NOTE 5: INVESTMENT SECURITIES: Investment Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Available for Sale Securities Fair Value | $ 169,971 |
Held-to-maturity Securities, Fair Value | 0 | $ 131
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Available For Sale Securities Amortized Cost Amount | 119,078 | 123,300
Available-for-sale Securities, Gross Unrealized Gain | 708 | 871
Available-for-sale Securities, Gross Unrealized Loss | 3,421 | 1,638
Available for Sale Securities Fair Value | $ 116,365 | $ 122,533
Available for Sale Securities Tax Equivalent Yield | 2.37% | 2.19%
US States and Political Subdivisions Debt Securities |  |
Available For Sale Securities Amortized Cost Amount | $ 51,907 | $ 53,930
Available-for-sale Securities, Gross Unrealized Gain | 1,707 | 2,716
Available-for-sale Securities, Gross Unrealized Loss | 8 | 0
Available for Sale Securities Fair Value | $ 53,606 | $ 56,646
Available for Sale Securities Tax Equivalent Yield | 4.81% | 4.72%
Held to Maturity Securities Amortized Cost |  | $ 130
Held to Maturity Securities Gross Unrealized Gains |  | 1
Held to Maturity Securities Gross Unrealized Losses |  | 0
Held-to-maturity Securities, Fair Value |  | $ 131
Held to Maturity Securities Tax Equivalent Yield |  | 6.14%
Available-for-sale Securities |  |
Available For Sale Securities Amortized Cost Amount | $ 170,985 | $ 177,230
Available-for-sale Securities, Gross Unrealized Gain | 2,415 | 3,587
Available-for-sale Securities, Gross Unrealized Loss | 3,429 | 1,638
Available for Sale Securities Fair Value | $ 169,971 | $ 179,179
Available for Sale Securities Tax Equivalent Yield | 3.11% | 2.96%

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