Note 7: Acquired Loans, Loss Sharing Agreements and Fdic Indemnification Assets: FDIC Indemnification Asset Roll Forward (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
FDIC indemnification asset			$ 13,145
TeamBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		$ 15,320	18,838
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(695)	(846)
Original estimated fair value of assets, net of activity since acquisition date		(14,457)	(17,833)
Expected loss remaining		168	159
TeamBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		14	14
Original estimated fair value of assets, net of activity since acquisition date		(14)	(14)
Vantus Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		21,169	23,712
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(172)	(239)
Original estimated fair value of assets, net of activity since acquisition date		(20,760)	(23,232)
Expected loss remaining		237	241
Vantus Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		15	15
Original estimated fair value of assets, net of activity since acquisition date		(15)	(15)
Sun Security Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		30,487	33,579
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(727)	(1,086)
Original estimated fair value of assets, net of activity since acquisition date		(28,762)	(31,499)
Expected loss remaining		998	994
Sun Security Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		333	365
Original estimated fair value of assets, net of activity since acquisition date		(326)	(286)
Expected loss remaining		7	79
InterBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		128,404	149,657
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(982)	(1,984)
Original estimated fair value of assets, net of activity since acquisition date		(113,805)	(134,355)
Expected loss remaining		14,014	13,861
Non-credit premium (discount), net of activity since acquisition date		397	$ 543
Assumed loss sharing recovery percentage			84.00%
Estimated loss sharing value	[1]		$ 11,644
FDIC loss share clawback			953
Indemnification assets to be amortized resulting from change in expected losses			1,586
Accretable Discount on FDIC Indemnification Asset			(1,038)
FDIC indemnification asset			13,145
InterBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		3,796	1,417
Original estimated fair value of assets, net of activity since acquisition date		(3,796)	(1,417)
Valley Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		71,860	84,283
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(592)	(2,121)
Original estimated fair value of assets, net of activity since acquisition date		(65,424)	(76,231)
Expected loss remaining		5,930	6,159
Non-credit premium (discount), net of activity since acquisition date		86	228
Valley Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		1,938	1,973
Original estimated fair value of assets, net of activity since acquisition date		$ (1,938)	(1,952)
Expected loss remaining			$ 21

[1] Includes $400,000 impairment of indemnification asset for loans