NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Automobile Loan
Financing Receivable, Nonaccrual	$ 822	$ 1,490
One-to-Four-Family Residential Construction
Financing Receivable, Nonaccrual	0	0
Subdivision Construction
Financing Receivable, Nonaccrual	0	0
Land Development
Financing Receivable, Nonaccrual	18	49
Commercial Construction
Financing Receivable, Nonaccrual	0	0
Owner Occupied One-to-Four-Family Residential
Financing Receivable, Nonaccrual	949	1,206
Non-Owner Occupied One To Four Family Residential
Financing Receivable, Nonaccrual	164	1,458
Commercial Real Estate
Financing Receivable, Nonaccrual	847	334
Other Residential
Financing Receivable, Nonaccrual	0	0
Commercial Business
Financing Receivable, Nonaccrual	1,405	1,437
Industrial Revenue Bonds
Financing Receivable, Nonaccrual	0	0
Consumer Loan
Financing Receivable, Nonaccrual	194	240
Home Equity Line of Credit
Financing Receivable, Nonaccrual	238	86
Loans Receivable
Financing Receivable, Nonaccrual	$ 4,637	$ 6,300