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		6 Months Ended
	Jun. 30, 2019 USD ($) $ / shares	Jun. 30, 2018 USD ($) $ / shares	Jun. 30, 2019 USD ($) $ / shares	Jun. 30, 2018 USD ($) $ / shares
Details
Impact of acquired loan pools on net interest income	$ 1,399	$ 1,070	$ 2,911	$ 2,227
Impact of acquired loan pools on net interest margin (in basis points)	12	10	13	11
Net impact of acquired loan pools to pre-tax income	$ 1,399	$ 1,070	$ 2,911	$ 2,227
Net impact of acquired loan pools to net of taxes	$ 1,080	$ 831	$ 2,247	$ 1,729
Impact of acquired loan pools to diluted earnings per common share | $ / shares	$ 0.08	$ 0.06	$ 0.16	$ 0.12