Note 14: Disclosures About Fair Value of Financial Instruments: Fair Value Measurement, Policy: Fair Value, Assets and Liabilities Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Impaired Loans
Assets, Fair Value Disclosure, Nonrecurring	$ 1,962	$ 8,280
Foreclosed Assets Held For Sale
Assets, Fair Value Disclosure, Nonrecurring	17	1,604
Fair Value, Inputs, Level 3 | Impaired Loans
Assets, Fair Value Disclosure, Nonrecurring	1,962	8,280
Fair Value, Inputs, Level 3 | Foreclosed Assets Held For Sale
Assets, Fair Value Disclosure, Nonrecurring	$ 17	$ 1,604