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Note 5: Investment Securities: Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Available-for-sale Securities, Amortized Cost Basis | $ 191,875 |
Available for Sale Securities Fair Value | 195,144 |
Available-for-sale Securities |  |
Available-for-sale Securities, Amortized Cost Basis | 191,875 | $ 211,173
Available for sale Securities, Gross Unrealized Gain | 4,258 | 4,208
Available For Sale Securities Gross Unrealized Losses | 989 | 1,509
Available for Sale Securities Fair Value | $ 195,144 | $ 213,872
Available for Sale Securities Tax Equivalent Yield | 3.21% | 3.16%
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Available-for-sale Securities, Amortized Cost Basis | $ 133,569 | $ 146,491
Available for sale Securities, Gross Unrealized Gain | 978 | 1,045
Available For Sale Securities Gross Unrealized Losses | 989 | 1,501
Available for Sale Securities Fair Value | $ 133,558 | $ 146,035
Available for Sale Securities Tax Equivalent Yield | 2.11% | 2.03%
US States and Political Subdivisions Debt Securities |  |
Available-for-sale Securities, Amortized Cost Basis | $ 58,306 | $ 64,682
Available for sale Securities, Gross Unrealized Gain | 3,280 | 3,163
Available For Sale Securities Gross Unrealized Losses |  | 8
Available for Sale Securities Fair Value | $ 61,586 | $ 67,837
Available for Sale Securities Tax Equivalent Yield | 5.74% | 5.73%

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. + References No definition available. + Details
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X
- Definition This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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X
- Definition This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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X
- Definition Represents the Available for Sale Securities Tax Equivalent Yield, as of the indicated date. + References No definition available. + Details
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X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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