Note 1: Nature of Operations and Summary of Significant Accounting Policies: Impairment or Disposal of Long-Lived Assets, Policy (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Asset Impairment Charges	$ 0	$ 0
Remaining valuation allowance related to various properties	$ 928
Other real estate owned not acquired through foreclosure
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction			$ 430