NOTE 7: ACQUIRED LOANS, LOSS SHARING AGREEMENTS AND FDIC INDEMNIFICATION ASSETS: Business Acquisition Fair Value and Expected Cash Flows Policy (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accretable yield adjustment affecting interest income	$ 5,700
Remaining accretable yield adjustment affecting interest income	3,700
Minimum
Reclassification of discounts from non-accretable to accretable (adjustment)	0	$ 0
Maximum
Reclassification of discounts from non-accretable to accretable (adjustment)	$ 1,700	$ 1,700