Note 2: Available-for-sale Securities: Marketable Securities Available for Sale Securities Policy: Securities Pledged as Collateral (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Federal Funds Sold and Securities Purchased under Agreements to Resell Pledged as Collateral	$ 106,700	$ 112,600
US Government and Federal Agency Obligations
Security Owned and Pledged as Collateral, Fair Value	5,500	14,900
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Security Owned and Pledged as Collateral, Fair Value	52,200	55,400
Collateralized Mortgage Obligations
Security Owned and Pledged as Collateral, Fair Value	13,600	10,600
US States and Political Subdivisions Debt Securities
Security Owned and Pledged as Collateral, Fair Value	34,800	31,200
Other Securities
Security Owned and Pledged as Collateral, Fair Value	$ 600	$ 500