Note 3: Securities: Repurchase Agreements, Collateral, Policy (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Assets Sold under Agreements to Repurchase, Carrying Amount	$ 114,200	$ 143,700
U.S. Government and Federal Agency Obligations
Assets Sold under Agreements to Repurchase, Carrying Amount	2,300	5,600
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Assets Sold under Agreements to Repurchase, Carrying Amount	27,100	47,300
Collateralized Mortgage Obligations
Assets Sold under Agreements to Repurchase, Carrying Amount	54,200	55,700
US States and Political Subdivisions Debt Securities
Assets Sold under Agreements to Repurchase, Carrying Amount	30,400	34,900
Other securities
Assets Sold under Agreements to Repurchase, Carrying Amount	$ 200	$ 300