Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Schedule Of Vantus Bank FDIC Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Vantus Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	$ 42,138	$ 60,011
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(504)	(1,202)
Original estimated fair value of assets, net of activity since acquisition date	(40,997)	(57,920)
Expected loss remaining	637	889
Assumed loss sharing recovery percentage	72.00%	78.00%
Estimated loss sharing value	461	690
Indemnification assets to be amortized resulting from change in expected losses	324	919
FDIC Indemnification Asset, Total	785	1,577
Accretable discount on FDIC indemnification asset		(32)
Vantus Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	1,084	1,986
Original estimated fair value of assets, net of activity since acquisition date	(894)	(1,092)
Expected loss remaining	190	894
Assumed loss sharing recovery percentage	0.00%	80.00%
Estimated loss sharing value		716
FDIC Indemnification Asset, Total		$ 716