NOTE 7: ACQUIRED LOANS, LOSS SHARING AGREEMENTS AND FDIC INDEMNIFICATION ASSETS: FDIC Indemnification Asset Policy (Details)	3 Months Ended
	Sep. 30, 2018
TeamBank
Business Combination, Indemnification Assets, Description	Through September 30, 2018, gross loan balances (due from the borrower) were reduced approximately $424.5 million since the transaction date because of $291.9 million of repayments from borrowers, $61.7 million in transfers to foreclosed assets and $70.9 million in charge-offs to customer loan balances
Vantus Bank
Business Combination, Indemnification Assets, Description	Through September 30, 2018, gross loan balances (due from the borrower) were reduced approximately $315.9 million since the transaction date because of $270.3 million of repayments from borrowers, $16.7 million in transfers to foreclosed assets and $28.9 million in charge-offs to customer loan balances.
Sun Security Bank
Business Combination, Indemnification Assets, Description	Through September 30, 2018, gross loan balances (due from the borrower) were reduced approximately $212.2 million since the transaction date because of $152.7 million of repayments from borrowers, $28.6 million in transfers to foreclosed assets and $30.9 million of charge-offs to customer loan balances.
InterBank
Business Combination, Indemnification Assets, Description	Through September 30, 2018, gross loan balances (due from the borrower) were reduced approximately $302.8 million since the transaction date because of $260.6 million of repayments by the borrower, $19.8 million in transfers to foreclosed assets and $22.4 million of charge-offs to customer loan balances.
Valley Bank
Business Combination, Indemnification Assets, Description	Through September 30, 2018, gross loan balances (due from the borrower) were reduced approximately $137.8 million since the transaction date because of $125.9 million of repayments by the borrower, $4.0 million in transfers to foreclosed assets and $7.9 million of charge-offs to customer loan balances.