Note 3: Loans and Allowance For Loan Losses: Loans and Leases Receivable, Troubled Debt Restructuring Policy (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Troubled Debt Restructurings Accruing Interest	$ 38,100	$ 50,800
Troubled Debt Restructured Loans Returned to Accrual Status	1,400
Substandard
Troubled Debt Restructurings Accruing Interest	14,600
Doubtful
Troubled Debt Restructurings Accruing Interest	1,000
Construction Loans
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	2,800	9,000
Troubled Debt Restructured Loans Returned to Accrual Status	160
Residential Mortgage
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	7,100	17,000
Troubled Debt Restructured Loans Returned to Accrual Status	1,200
Commercial Real Estate
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	26,900	31,300
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	5
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	1,800
Other Residential
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	7,900
Commercial Business
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	1,900	671
Troubled Debt Restructured Loans Returned to Accrual Status	49
Consumer Loan
Loans and Leases Receivable, Impaired, Troubled Debt Restructuring, Amount	167	156
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	19
Troubled Debt Restructured Loans Returned to Accrual Status	17
Non-Owner Occupied One- to Four-Family Residential
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	406
Owner Occupied One- to Four-Family Residential
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	4
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 294