Note 2: Organization and Summary of Significant Accounting Policies: Intangible Assets, Finite-Lived, Policy (Details) - USD ($)			3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Details
Finite-Lived Core Deposits, Gross	$ 14,700,000	$ 14,700,000	$ 14,700,000	$ 14,700,000	$ 14,700,000
Finite-Lived Intangible Assets, Accumulated Amortization	8,200,000	6,900,000	8,200,000	$ 8,200,000	6,900,000
Amortization of Mortgage Servicing Rights (MSRs)	$ 987	$ 1,500,000
Core Deposits and Intangible Assets, Remaining Amortization Period				periods ranging from five to seven years
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year										$ 441
Finite-Lived Intangible Asset, Expected Amortization, Year Two						$ 1,300,000	$ 1,300,000	$ 1,300,000	$ 1,300,000
Finite-Lived Intangible Asset, Expected Amortization, after Year Five						$ 1,000,000.0
Impairment of Intangible Assets, Finite-lived			$ 0		$ 0