Note 9: Premises and Equipment: Schedule of Future Minimum Rental Payments for Operating Leases (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Details
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year	$ 835
Operating Leases, Future Minimum Payments Due, Next Twelve Months	1,132
Operating Leases, Future Minimum Payments, Due in Two Years	1,148
Operating Leases, Future Minimum Payments, Due in Three Years	1,131
Operating Leases, Future Minimum Payments, Due in Four Years	1,082
Operating Leases, Future Minimum Payments, Due in Five Years	956
Operating Leases, Future Minimum Payments, Due Thereafter	5,026
Operating Lease, Payments	11,310
Interest portion of lease payments	(1,961)
Operating leases liability	$ 9,349