Note 12: Fair Value Measurement: Fair Value, Assets and Liabilities Measured on Nonrecurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Impaired loans | OneToFourFamilyResidentialConstructionMember
Assets, Fair Value Disclosure, Nonrecurring		$ 171
Impaired loans | SubdivisionConstructionMember
Assets, Fair Value Disclosure, Nonrecurring	163	1,482
Impaired loans | LandDevelopmentMember
Assets, Fair Value Disclosure, Nonrecurring	1,953	1,463
Impaired loans | OwnerOccupiedOneToFourFamilyResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	342	2,638
Impaired loans | NonOwnerOccupiedOneToFourFamilyResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	254	2,392
Impaired loans | Commercial Real Estate
Assets, Fair Value Disclosure, Nonrecurring	7,064	21,764
Impaired loans | OtherResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	2,113	4,162
Impaired loans | CommercialBusinessMember
Assets, Fair Value Disclosure, Nonrecurring	61	2,186
Impaired loans | Consumer Loans Auto Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	30	51
Impaired loans | Consumer Other Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	293	286
Impaired loans | Home Equity Line of Credit
Assets, Fair Value Disclosure, Nonrecurring	72	44
Impaired loans | TotalImpairedLoansMember
Assets, Fair Value Disclosure, Nonrecurring	12,345	36,639
Foreclosed assets held for sale
Assets, Fair Value Disclosure, Nonrecurring	2,184	11,360
Fair Value, Inputs, Level 3 | Impaired loans | OneToFourFamilyResidentialConstructionMember
Assets, Fair Value Disclosure, Nonrecurring		171
Fair Value, Inputs, Level 3 | Impaired loans | SubdivisionConstructionMember
Assets, Fair Value Disclosure, Nonrecurring	163	1,482
Fair Value, Inputs, Level 3 | Impaired loans | LandDevelopmentMember
Assets, Fair Value Disclosure, Nonrecurring	1,953	1,463
Fair Value, Inputs, Level 3 | Impaired loans | OwnerOccupiedOneToFourFamilyResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	342	2,638
Fair Value, Inputs, Level 3 | Impaired loans | NonOwnerOccupiedOneToFourFamilyResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	254	2,392
Fair Value, Inputs, Level 3 | Impaired loans | Commercial Real Estate
Assets, Fair Value Disclosure, Nonrecurring	7,064	21,764
Fair Value, Inputs, Level 3 | Impaired loans | OtherResidentialMember
Assets, Fair Value Disclosure, Nonrecurring	2,113	4,162
Fair Value, Inputs, Level 3 | Impaired loans | CommercialBusinessMember
Assets, Fair Value Disclosure, Nonrecurring	61	2,186
Fair Value, Inputs, Level 3 | Impaired loans | Consumer Loans Auto Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	30	51
Fair Value, Inputs, Level 3 | Impaired loans | Consumer Other Financing Receivable
Assets, Fair Value Disclosure, Nonrecurring	293	286
Fair Value, Inputs, Level 3 | Impaired loans | Home Equity Line of Credit
Assets, Fair Value Disclosure, Nonrecurring	72	44
Fair Value, Inputs, Level 3 | Impaired loans | TotalImpairedLoansMember
Assets, Fair Value Disclosure, Nonrecurring	12,345	36,639
Fair Value, Inputs, Level 3 | Foreclosed assets held for sale
Assets, Fair Value Disclosure, Nonrecurring	$ 2,184	$ 11,360