Note 5: Accounting For Certain Loans Acquired in A Transfer: Schedule of Acquired Loans With Credit Deterioration (Details) - USD ($) $ in Thousands		Dec. 31, 2019	Jun. 30, 2019
Outstanding Balance
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		$ 29,954	$ 36,368
Carrying Amount of Acquired Loans
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment	[1]	24,110	28,547
Consumer Loan
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		0	0
Commercial Loan
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		7,349	8,381
Construction Loan Payable
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		1,340	1,397
Residential Real Estate
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		1,532	1,921
Commercial Real Estate
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		$ 19,733	$ 24,669

[1] Fair value adjustment of $5,844 and $7,821 at December 31, 2019 and June 30, 2019, respectively.