Note 13: Subordinated Notes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Details
Subordinated Borrowing, Due Date	Aug. 15, 2026
Subordinated Borrowing, Interest Rate	5.25%
Subordinated Borrowing Terms and Conditions	The Company may call the notes at par beginning on August 15, 2021, and on any scheduled interest payment date thereafter.
Debt Issuance Costs, Gross	$ 1,500
Amortization of Debt Issuance Costs	$ 154	$ 151

Amount of amortization expense attributable to debt issuance costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Date the payments are due on subordinated debt, in CCYY-MM-DD format.

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Stated interest rate of the subordinated debt.

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Terms and conditions of borrowings under subordinated debt agreements that qualify as available in computing net capital under SEC's uniform net capital rule, including restrictive covenants, collateral, and disclosure of the amount for which six months' notice has been given of intent to withdraw.

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