Note 7: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Schedule of Impact of Adjustments of Acquired Loans on Financial Results (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) $ / shares	Mar. 31, 2016 USD ($) $ / shares
Details
Impact of acquired loan pools on net interest income	$ 1,980	$ 5,382
Impact of acquired loan pools on net interest margin (in basis points)	19	56
Impact of acquired loan pools on non-interest income	$ (634)	$ (2,934)
Net impact of acquired loan pools to pre-tax income	1,346	2,448
Net impact of acquired loan pools to net of taxes	$ 857	$ 1,559
Impact of acquired loan pools to diluted earnings per common share | $ / shares	$ 0.06	$ 0.11