NOTE 18: Fair Value Measurements: Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
US Government-sponsored Enterprises Debt Securities
Fair value on a recurring basis	$ 7,270	$ 9,385
US States and Political Subdivisions Debt Securities
Fair value on a recurring basis	42,783	41,612
Other Debt Obligations
Fair value on a recurring basis	5,053	5,152
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Fair value on a recurring basis	$ 110,429	$ 90,176