NOTE 7: ACQUIRED LOANS, LOSS SHARING AGREEMENTS AND FDIC INDEMNIFICATION ASSETS: FDIC Indemnification Asset Policy (Details)	9 Months Ended
	Sep. 30, 2017
TeamBank
Business Combination, Indemnification Assets, Description	Gross loan balances (due from the borrower) were reduced by approximately $421.6 million since the transaction date because of $288.9 million of repayments from borrowers, $61.7 million in transfers to foreclosed assets and $71.0 million in charge-offs to customer loan balances.
Vantus Bank
Business Combination, Indemnification Assets, Description	Gross loan balances (due from the borrower) were reduced by approximately $311.8 million since the transaction date because of $266.0 million of repayments from borrowers, $16.7 million in transfers to foreclosed assets and $29.1 million in charge-offs to customer loan balances.
Sun Security Bank
Business Combination, Indemnification Assets, Description	Gross loan balances (due from the borrower) were reduced by approximately $206.5 million since the transaction date because of $147.2 million of repayments from borrowers, $28.5 million in transfers to foreclosed assets and $30.8 million of charge-offs to customer loan balances.
InterBank
Business Combination, Indemnification Assets, Description	Gross loan balances (due from the borrower) were reduced by approximately $272.8 million since the transaction date because of $231.4 million of repayments by the borrower, $18.9 million in transfers to foreclosed assets and $22.5 million of charge-offs to customer loan balances.
Valley Bank
Business Combination, Indemnification Assets, Description	Gross loan balances (due from the borrower) were reduced by approximately $125.8 million since the transaction date because of $114.1 million of repayments by the borrower, $4.0 million in transfers to foreclosed assets and $7.7 million of charge-offs to customer loan balances.