NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Automobile Loan
Financing Receivable, Nonaccrual	$ 513	$ 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	83	49
Commercial Construction
Financing Receivable, Nonaccrual	0	0
Owner Occupied One-to-Four-Family Residential
Financing Receivable, Nonaccrual	913	1,206
Non-Owner Occupied One To Four Family Residential
Financing Receivable, Nonaccrual	566	1,458
Commercial Real Estate
Financing Receivable, Nonaccrual	637	334
Other Residential
Financing Receivable, Nonaccrual	0	0
Commercial Business
Financing Receivable, Nonaccrual	1,245	1,437
Industrial Revenue Bonds
Financing Receivable, Nonaccrual	0	0
Consumer Loan
Financing Receivable, Nonaccrual	178	240
Home Equity Line of Credit
Financing Receivable, Nonaccrual	531	86
Loans Receivable
Financing Receivable, Nonaccrual	$ 4,666	$ 6,300