Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: FDIC Indemnification Asset Roll Forward (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
FDIC indemnification asset		$ 24,082	$ 44,334
TeamBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		29,115	43,855
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(1,285)	(1,923)
Original estimated fair value of assets, net of activity since acquisition date		(27,660)	(41,560)
Expected loss remaining		$ 170	$ 372
Assumed loss sharing recovery percentage		90.00%	85.00%
Estimated loss sharing value		$ 154	$ 315
Indemnification assets to be amortized resulting from change in expected losses		241	359
FDIC indemnification asset		$ 395	674
TeamBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date			132
Original estimated fair value of assets, net of activity since acquisition date			(119)
Expected loss remaining			$ 13
Assumed loss sharing recovery percentage		0.00%	77.00%
Estimated loss sharing value			$ 10
FDIC indemnification asset			10
Vantus Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		$ 31,818	42,138
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(470)	(504)
Original estimated fair value of assets, net of activity since acquisition date		(31,092)	(40,997)
Expected loss remaining		$ 256	$ 637
Assumed loss sharing recovery percentage		61.00%	72.00%
Estimated loss sharing value		$ 156	$ 461
Indemnification assets to be amortized resulting from change in expected losses		319	324
FDIC indemnification asset		475	785
Vantus Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		608	1,084
Original estimated fair value of assets, net of activity since acquisition date		(418)	(894)
Expected loss remaining		$ 190	$ 190
Assumed loss sharing recovery percentage		0.00%	0.00%
Sun Security Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		$ 43,855	$ 59,618
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(2,171)	(3,341)
Original estimated fair value of assets, net of activity since acquisition date		(40,349)	(52,166)
Expected loss remaining		$ 1,335	$ 4,111
Assumed loss sharing recovery percentage		34.00%	65.00%
Estimated loss sharing value		$ 456	$ 2,676
Indemnification assets to be amortized resulting from change in expected losses		1,725	2,662
FDIC indemnification asset		2,145	5,071
Accretable Discount on FDIC Indemnification Asset		(36)	(267)
Sun Security Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		557	2,325
Original estimated fair value of assets, net of activity since acquisition date		(461)	(1,488)
Expected loss remaining		$ 96	$ 837
Assumed loss sharing recovery percentage		80.00%	80.00%
Estimated loss sharing value		$ 77	$ 670
FDIC indemnification asset		14	606
Accretable Discount on FDIC Indemnification Asset		(63)	(64)
InterBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		193,654	244,977
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(4,901)	(19,566)
Original estimated fair value of assets, net of activity since acquisition date		(170,308)	(201,830)
Expected loss remaining		$ 19,347	$ 24,942
Assumed loss sharing recovery percentage		83.00%	82.00%
Estimated loss sharing value	[1]	$ 16,032	$ 20,509
Indemnification assets to be amortized resulting from change in expected losses		3,920	15,652
FDIC indemnification asset		20,511	36,814
Accretable Discount on FDIC Indemnification Asset		(1,801)	(2,967)
Non-credit premium (discount), net of activity since acquisition date		902	1,361
FDIC loss share clawback		2,360	3,620
InterBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		2,110	4,494
Original estimated fair value of assets, net of activity since acquisition date		(1,392)	(3,986)
Expected loss remaining		$ 718	$ 508
Assumed loss sharing recovery percentage		80.00%	80.00%
Estimated loss sharing value	[1]	$ 575	$ 406
FDIC indemnification asset		542	373
Accretable Discount on FDIC Indemnification Asset		(33)	(33)
Valley Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date		109,791	145,845
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)		(3,213)	(1,519)
Original estimated fair value of assets, net of activity since acquisition date		(93,436)	(121,982)
Expected loss remaining		13,861	23,858
Non-credit premium (discount), net of activity since acquisition date		719	1,514
Valley Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date		1,017	778
Original estimated fair value of assets, net of activity since acquisition date		(995)	$ (778)
Expected loss remaining		$ 22

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