Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Schedule Of Sun Security Bank FDIC Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Sun Security Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	$ 59,618	$ 78,524
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(3,341)	(5,062)
Original estimated fair value of assets, net of activity since acquisition date	(52,166)	(64,843)
Expected loss remaining	4,111	8,514
Assumed loss sharing recovery percentage	65.00%	70.00%
Estimated loss sharing value	2,676	5,974
Indemnification assets to be amortized resulting from change in expected losses	2,662	4,049
Accretable discount on FDIC indemnification asset	(267)	(680)
FDIC Indemnification Asset, Total	5,071	9,343
Non-credit premium (discount), net of activity since acquisition date		(105)
Sun Security Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	2,325	3,582
Original estimated fair value of assets, net of activity since acquisition date	(1,488)	(2,193)
Expected loss remaining	837	1,389
Assumed loss sharing recovery percentage	80.00%	80.00%
Estimated loss sharing value	670	1,111
Accretable discount on FDIC indemnification asset	(64)	(93)
FDIC Indemnification Asset, Total	$ 606	$ 1,018