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Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Business Acquisition Fair Value and Expected Cash Flows Policy: Schedule of Impact of Adjustments of Acquired Loans on Financial Results (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Details      
Increase in accretable yield due to increased cash flow expectations $ 12,323 $ 5,202 $ 1,333