Note 2: Organization and Summary of Significant Accounting Policies: Intangible Assets, Finite-Lived, Policy (Details) - USD ($) $ in Thousands			6 Months Ended
	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2019	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Details
Finite-Lived Core Deposits, Gross	$ 14,700	$ 14,700	$ 14,700
Finite-Lived Intangible Assets, Accumulated Amortization	7,800	6,900	$ 7,800
FHLB Mortgage Servicing Rights	$ 1,400	$ 1,500
Core Deposits and Intangible Assets, Remaining Amortization Period			periods ranging from five to seven years
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year								$ 882,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two							$ 1,300
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three						$ 1,300
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four					$ 1,300
Finite-Lived Intangible Assets, Amortization Expense, Year Five				$ 1,300
Finite-Lived Intangible Assets, Amortization Expense, after Year Five				$ 1,000