Note 7: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: FDIC Indemnification Asset Roll Forward (Details) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
FDIC indemnification asset		$ 12,786	$ 13,145
TeamBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		16,319	18,838
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(766)	(846)
Original estimated fair value of assets, net of activity since acquisition date		(15,394)	(17,833)
Expected loss remaining		159	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		22,317	23,712
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(203)	(239)
Original estimated fair value of assets, net of activity since acquisition date		(21,877)	(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		31,733	33,579
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(890)	(1,086)
Original estimated fair value of assets, net of activity since acquisition date		(29,846)	(31,499)
Expected loss remaining		997	994
Sun Security Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		400	365
Original estimated fair value of assets, net of activity since acquisition date		(321)	(286)
Expected loss remaining		79	79
InterBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		138,766	149,657
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(1,366)	(1,984)
Original estimated fair value of assets, net of activity since acquisition date		(123,902)	(134,355)
Expected loss remaining		13,965	13,861
Non-credit premium (discount), net of activity since acquisition date		$ 467	$ 543
Assumed loss sharing recovery percentage		84.00%	84.00%
Estimated loss sharing value	[1]	$ 11,727	$ 11,644
FDIC loss share clawback		813	953
Indemnification assets to be amortized resulting from change in expected losses		1,092	1,586
Accretable Discount on FDIC Indemnification Asset		(846)	(1,038)
FDIC indemnification asset		12,786	13,145
InterBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		2,875	1,417
Original estimated fair value of assets, net of activity since acquisition date		(2,875)	(1,417)
Valley Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		74,986	84,283
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(1,225)	(2,121)
Original estimated fair value of assets, net of activity since acquisition date		(68,003)	(76,231)
Expected loss remaining		5,906	6,159
Non-credit premium (discount), net of activity since acquisition date		148	228
Valley Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		2,309	1,973
Original estimated fair value of assets, net of activity since acquisition date		(2,307)	(1,952)
Expected loss remaining		$ 2	$ 21

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