NOTE 7: ACQUIRED LOANS, LOSS SHARING AGREEMENTS AND FDIC INDEMNIFICATION ASSETS: FDIC Indemnification Asset Roll Forward (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
TeamBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	$ 11,658	$ 13,668
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(445)	(589)
Original estimated fair value of assets, net of activity since acquisition date	(11,094)	(12,948)
Expected loss remaining	119	131
TeamBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	15	35
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	0	0
Original estimated fair value of assets, net of activity since acquisition date	(15)	(35)
Expected loss remaining	0	0
Vantus Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	15,698	18,965
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(74)	(131)
Original estimated fair value of assets, net of activity since acquisition date	(15,395)	(18,605)
Expected loss remaining	229	229
Vantus Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	0	15
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	0	0
Original estimated fair value of assets, net of activity since acquisition date	0	(15)
Expected loss remaining	0	0
Sun Security Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	22,219	26,787
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(371)	(494)
Original estimated fair value of assets, net of activity since acquisition date	(21,099)	(25,348)
Expected loss remaining	749	945
Sun Security Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	305	306
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	0	0
Original estimated fair value of assets, net of activity since acquisition date	(214)	(299)
Expected loss remaining	91	7
InterBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	90,512	112,399
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(1,785)	(972)
Original estimated fair value of assets, net of activity since acquisition date	(78,642)	(98,321)
Expected loss remaining	10,221	13,380
Non-credit premium (discount), net of activity since acquisition date	136	274
InterBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	146	2,012
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	0	0
Original estimated fair value of assets, net of activity since acquisition date	(130)	(1,785)
Expected loss remaining	16	227
Non-credit premium (discount), net of activity since acquisition date	0	0
Valley Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	55,350	59,997
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(229)	(411)
Original estimated fair value of assets, net of activity since acquisition date	(50,915)	(54,442)
Expected loss remaining	4,206	5,155
Non-credit premium (discount), net of activity since acquisition date	0	11
Valley Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	1,488	1,673
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	0	0
Original estimated fair value of assets, net of activity since acquisition date	(1,488)	(1,667)
Expected loss remaining	0	6
Non-credit premium (discount), net of activity since acquisition date	$ 0	$ 0