Note 15: Disclosures About Fair Value of Financial Instruments: Schedule of Fair Value Measurements, Nonrecurring (Details) (Impaired Loans, USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
One- to Four-Family Residential Construction
Assets, Fair Value Disclosure, Nonrecurring	$ 171	$ 964
Significant Unobservable Inputs (Level 3)	171	964
Subdivision Construction
Assets, Fair Value Disclosure, Nonrecurring	1,482	3,188
Significant Unobservable Inputs (Level 3)	1,482	3,188
Land Development
Assets, Fair Value Disclosure, Nonrecurring	1,463	4,298
Significant Unobservable Inputs (Level 3)	1,463	4,298
Owner Occupied One- to Four-Family Residential
Assets, Fair Value Disclosure, Nonrecurring	2,638	2,210
Significant Unobservable Inputs (Level 3)	2,638	2,210
Non-Owner Occupied One- to Four-Family Residential
Assets, Fair Value Disclosure, Nonrecurring	2,392	4,639
Significant Unobservable Inputs (Level 3)	2,392	4,639
Commercial Real Estate
Assets, Fair Value Disclosure, Nonrecurring	21,764	13,354
Significant Unobservable Inputs (Level 3)	21,764	13,354
Other Residential
Assets, Fair Value Disclosure, Nonrecurring	4,162	4,771
Significant Unobservable Inputs (Level 3)	4,162	4,771
Commercial Business
Assets, Fair Value Disclosure, Nonrecurring	2,186	3,207
Significant Unobservable Inputs (Level 3)	2,186	3,207
Consumer Loans Auto Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	51	46
Significant Unobservable Inputs (Level 3)	51	46
Consumer Other Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	286	258
Significant Unobservable Inputs (Level 3)	286	258
Home Equity Line of Credit
Assets, Fair Value Disclosure, Nonrecurring	44	46
Significant Unobservable Inputs (Level 3)	44	46
Total Impaired Loans
Assets, Fair Value Disclosure, Nonrecurring	36,639	36,981
Significant Unobservable Inputs (Level 3)	36,639	36,981
Foreclosed assets held for sale
Assets, Fair Value Disclosure, Nonrecurring	11,360	14,042
Significant Unobservable Inputs (Level 3)	$ 11,360	$ 14,042