Note 5: Accounting For Certain Loans Acquired in A Transfer: Schedule of Acquired Loans with Credit Deterioration (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Jun. 30, 2018
Outstanding balance
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		$ 36,659	$ 17,387
Carrying Amount Of Acquired Loans Net
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment	[1]	28,561	14,571
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		8,106	3,073
Construction Loan Payable
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		1,443	1,544
Residential Real Estate
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		2,075	3,861
Commercial Real Estate
Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment		$ 25,035	$ 8,909

[1] Fair value adjustment of $8,089 and $2,816 at December 31, 2018 and June 30, 2018, respectively.