Note 11: Fair Value Measurements: Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
US Government-sponsored Enterprises Debt Securities
Assets, Fair Value Disclosure, Recurring	$ 11,384	$ 10,438
US States and Political Subdivisions Debt Securities
Assets, Fair Value Disclosure, Recurring	51,297	49,978
Other Debt Obligations
Assets, Fair Value Disclosure, Recurring	5,132	5,725
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Assets, Fair Value Disclosure, Recurring	$ 78,314	$ 78,275