Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Schedule of Impact of Acquired Loans on Financial Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Details
Impact of acquired loan pools on non-interest income	$ (7,033)	$ (19,534)	$ (28,740)
Net impact of acquired loan pools to pre-tax income	$ 9,360	$ 8,997	$ 6,234