Note 14: Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Details
Allowance for loan losses	$ 8,758	$ 8,154
Tax credit carryforward	0	5,816
Deferred Tax Assets Interest on Nonperforming Loans	320	288
Deferred Tax Assets Accrued Expenses	726	684
Deferred Tax Assets Write-down of Foreclosed Assets	600	1,694
Deferred Tax Assets Write-down of Fixed Assets	191	207
Deferred Tax Assets Difference in basis for acquired assets and liabilities	4,031	4,725
Deferred Tax Assets, Gross, Current	14,626	21,568
Deferred Tax Liabilities Tax Depreciation in Excess of Book Depreciation	(5,409)	(4,483)
Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends	(798)	(356)
Deferred Tax Liabilities Partnership Tax Credits	(404)	(706)
Prepaid expenses	(569)	(775)
Unrealized gain on available-for-sale securities	(83)	(435)
Deferred Tax Liabilities Book Revenue in Excess of Tax Revenue	0	(12,177)
Deferred Tax Liabilities Unrealized Gain on Cash Flow Derivatives	(2,761)	0
Other	(113)	(190)
Deferred Tax Liabilities, Gross, Current	(10,137)	(19,122)
Deferred Tax Assets, Net	$ 4,489	$ 2,446