Note 2: Available-for-sale Securities: Marketable Securities Available for Sale Securities Policy (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Federal Funds Sold and Securities Purchased under Agreements to Resell Pledged as Collateral	$ 114,100	$ 106,700
US Government and Federal Agency Obligations
Security Owned and Pledged as Collateral, Fair Value	6,500	5,500
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Security Owned and Pledged as Collateral, Fair Value	50,500	52,200
Collateralized Mortgage Obligations
Security Owned and Pledged as Collateral, Fair Value	19,900	13,600
US States and Political Subdivisions Debt Securities
Security Owned and Pledged as Collateral, Fair Value	36,800	34,800
Other Securities
Security Owned and Pledged as Collateral, Fair Value	$ 400	$ 600