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		9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares	Sep. 30, 2017 USD ($) $ / shares	Sep. 30, 2018 USD ($) $ / shares	Sep. 30, 2017 USD ($) $ / shares
Details
Impact of acquired loan pools on net interest income	$ 1,424	$ 975	$ 3,652	$ 4,237
Impact of acquired loan pools on net interest margin (in basis points)	14	9	12	14
Impact of acquired loan pools on non-interest income	$ 0	$ 0	$ 0	$ (634)
Net impact of acquired loan pools to pre-tax income	1,424	975	3,652	3,603
Net impact of acquired loan pools to net of taxes	$ 1,106	$ 621	$ 2,836	$ 2,295
Impact of acquired loan pools to diluted earnings per common share | $ / shares	$ 0.08	$ 0.04	$ 0.20	$ 0.16