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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Represents the Available for Sale Securities Tax Equivalent Yield, as of the indicated date.

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No definition available.

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Represents the monetary amount of Held to Maturity Securities Amortized Cost, as of the indicated date.

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No definition available.

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Represents the monetary amount of Held to Maturity Securities Gross Unrealized Gains, as of the indicated date.

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Represents the monetary amount of Held to Maturity Securities Gross Unrealized Losses, as of the indicated date.

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Represents the Held to Maturity Securities Tax Equivalent Yield, as of the indicated date.

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+ 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)
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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value of investments in debt securities classified as held-to-maturity.

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