Note 5: Other Real Estate Owned: Schedule of Expenses Applicable to Foreclosed Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Details
Net (gain) loss on sales of other real estate owned	$ (750)	$ (2,522)	$ (2,212)
Valuation write-downs on foreclosed assets	926	3,897	1,585
Operating expenses, net of rental income	2,008	3,544	4,556
Expense on other real estate and repossessions	$ 2,184	$ 4,919	$ 3,929