Note 3: Loans and Allowance for Loan Losses: Schedule of Financing Receivables, Non Accrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Loans Receivable
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 6,300	$ 11,159
Land and Land Improvements
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
One- to four-family residential construction
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Subdivision construction
Financing Receivable, Recorded Investment, Nonaccrual Status	49	98
Commercial construction
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Owner occupied one- to four-family residential
Financing Receivable, Recorded Investment, Nonaccrual Status	1,206	904
Non-owner occupied one- to four-family residential
Financing Receivable, Recorded Investment, Nonaccrual Status	1,458	1,758
Commercial Real Estate
Financing Receivable, Recorded Investment, Nonaccrual Status	334	1,226
Other residential
Financing Receivable, Recorded Investment, Nonaccrual Status	0	1,877
Commercial business
Financing Receivable, Recorded Investment, Nonaccrual Status	1,437	2,063
Industrial revenue bonds
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Automobile Loan
Financing Receivable, Recorded Investment, Nonaccrual Status	1,490	2,272
Consumer Loan
Financing Receivable, Recorded Investment, Nonaccrual Status	240	557
Home Equity Line of Credit
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 86	$ 404