NOTE 5: INVESTMENT SECURITIES: Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Available for Sale Securities Fair Value	$ 191,251
Debt Securities, Held-to-maturity, Fair Value	0	$ 131
Available-for-sale Securities
Available For Sale Securities Amortized Cost Amount	193,305	177,230
Available-for-sale Securities, Gross Unrealized Gain	1,953	3,587
Available-for-sale Securities, Gross Unrealized Loss	4,007	1,638
Available for Sale Securities Fair Value	$ 191,251	$ 179,179
Available for Sale Securities Tax Equivalent Yield	3.12%	2.96%
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Available For Sale Securities Amortized Cost Amount	$ 124,777	$ 123,300
Available-for-sale Securities, Gross Unrealized Gain	639	871
Available-for-sale Securities, Gross Unrealized Loss	3,891	1,638
Available for Sale Securities Fair Value	$ 121,525	$ 122,533
Available for Sale Securities Tax Equivalent Yield	2.44%	2.19%
Collateralized Mortgage Obligations
Available For Sale Securities Amortized Cost Amount	$ 17,481
Available-for-sale Securities, Gross Unrealized Gain	0
Available-for-sale Securities, Gross Unrealized Loss	97
Available for Sale Securities Fair Value	$ 17,384
Available for Sale Securities Tax Equivalent Yield	3.03%
US States and Political Subdivisions Debt Securities
Available For Sale Securities Amortized Cost Amount	$ 51,047	$ 53,930
Available-for-sale Securities, Gross Unrealized Gain	1,314	2,716
Available-for-sale Securities, Gross Unrealized Loss	19	0
Available for Sale Securities Fair Value	$ 52,342	$ 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
Debt Securities, Held-to-maturity, Fair Value		$ 131
Held to Maturity Securities Tax Equivalent Yield		6.14%

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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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No definition available.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 5
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