Note 17: Fair Value Measurements: Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
US Government-sponsored Enterprises Debt Securities
Assets, Fair Value Disclosure, Recurring	$ 10,438	$ 6,517
US States and Political Subdivisions Debt Securities
Assets, Fair Value Disclosure, Recurring	49,978	46,185
Other Debt Obligations
Assets, Fair Value Disclosure, Recurring	5,725	5,291
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Assets, Fair Value Disclosure, Recurring	$ 78,275	$ 71,231