Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Loss Sharing Agreements (Details) - USD ($) $ in Thousands	Jun. 09, 2017	Apr. 26, 2016
TeamBank
Cash Received from FDIC Loss Sharing Reimbursements		$ 4,400
Vantus Bank
Cash Received from FDIC Loss Sharing Reimbursements		4,400
Sun Security Bank
Cash Received from FDIC Loss Sharing Reimbursements		$ 4,400
InterBank
Cash Received from FDIC Loss Sharing Reimbursements	$ 15,000
Gain Realized on Termination of Loss Sharing Agreements	$ 7,700