Note 10: Short-term Borrowings: Schedule of Repurchase Agreements (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Securities sold under reverse repurchase agreements with customers	$ 116,182	$ 168,993
Financial Assets Sold under Agreement to Repurchase
Securities sold under reverse repurchase agreements with customers	161,182	168,993
Financial Assets Sold under Agreement to Repurchase | Maturity Overnight | Federal Home Loan Bank Certificates and Obligations (FHLB)
Securities sold under reverse repurchase agreements with customers		10,000
Financial Assets Sold under Agreement to Repurchase | Maturity Overnight | Mortgage Backed Securities, Other
Securities sold under reverse repurchase agreements with customers	$ 161,182	$ 158,993