Note 3: Loans and Allowance For Loan Losses: Troubled Debt Restructurings on Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Commercial Business
Troubled Debt Restructuring Loans Interest Only		$ 660
Troubled Debt Restructuring Loans Modified Term	1,881	34
Troubled Debt Restructurings Total Modifications	1,881	694
Industrial Revenue Bonds
Troubled Debt Restructuring Loans Modified Term	1,150
Troubled Debt Restructurings Total Modifications	1,150
Consumer
Troubled Debt Restructuring Loans Modified Term	145	241
Troubled Debt Restructurings Total Modifications	145	241
Troubled Debt Restructurings
Troubled Debt Restructuring Loans Interest Only	814	8,578
Troubled Debt Restructuring Loans Modified Term	5,780	10,291
Troubled Debt Restructuring Loans Modified Combination	223	568
Troubled Debt Restructurings Total Modifications	6,817	19,437
Mortgage Loans on Real Estate | One To Four Family Residential Construction
Troubled Debt Restructuring Loans Modified Term		286
Troubled Debt Restructuring Loans Modified Combination	223
Troubled Debt Restructurings Total Modifications	223	286
Mortgage Loans on Real Estate | Subdivision Construction
Troubled Debt Restructuring Loans Modified Term	250	2,067
Troubled Debt Restructuring Loans Modified Combination		568
Troubled Debt Restructurings Total Modifications	250	2,635
Mortgage Loans on Real Estate | Residential one to four family
Troubled Debt Restructuring Loans Interest Only	308
Troubled Debt Restructuring Loans Modified Term	426	1,499
Troubled Debt Restructurings Total Modifications	734	1,499
Mortgage Loans on Real Estate | Commercial Real Estate
Troubled Debt Restructuring Loans Interest Only	506	2,120
Troubled Debt Restructuring Loans Modified Term	1,928	2,212
Troubled Debt Restructurings Total Modifications	2,434	4,332
Mortgage Loans on Real Estate | Land Development
Troubled Debt Restructuring Loans Interest Only		3,842
Troubled Debt Restructuring Loans Modified Term		2,078
Troubled Debt Restructurings Total Modifications		5,920
Mortgage Loans on Real Estate | Other Residential
Troubled Debt Restructuring Loans Interest Only		1,956
Troubled Debt Restructuring Loans Modified Term		1,874
Troubled Debt Restructurings Total Modifications		$ 3,830