NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Financing Receivables, Non Accrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Automobile Loan
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 1,367	$ 2,272
One-to-Four-Family Residential Construction
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Subdivision Construction
Financing Receivable, Recorded Investment, Nonaccrual Status	0	98
Land Development
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Commercial Construction
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Owner Occupied One-to-Four-Family Residential
Financing Receivable, Recorded Investment, Nonaccrual Status	1,270	904
Non-Owner Occupied One To Four Family Residential
Financing Receivable, Recorded Investment, Nonaccrual Status	1,481	1,758
Commercial Real Estate
Financing Receivable, Recorded Investment, Nonaccrual Status	346	1,226
Other Residential
Financing Receivable, Recorded Investment, Nonaccrual Status	0	1,877
Commercial Business
Financing Receivable, Recorded Investment, Nonaccrual Status	1,590	2,063
Industrial Revenue Bonds
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Consumer Loan
Financing Receivable, Recorded Investment, Nonaccrual Status	326	557
Home Equity Line of Credit
Financing Receivable, Recorded Investment, Nonaccrual Status	95	404
Loans Receivable
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 6,475	$ 11,159