Note 8: Loss Sharing Agreements and FDIC Indemnification Assets: Schedule of Vantus Bank FDIC Indemnification Asset (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Vantus Bank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	$ 92,384	$ 103,910
Non-credit premium (discount), net of activity since acquisition date	(57)	(104)
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(3,887)	(5,429)
Original estimated fair value of assets, net of activity since acquisition date	(87,141)	(95,483)
Expected loss remaining	1,299	2,894
Assumed loss sharing recovery percentage	76.00%	78.00%
Estimated loss sharing value	993	2,270
Indemnification assets to be amortized resulting from change in expected losses	3,100	4,343
Accretable discount on FDIC indemnification asset	(178)	(240)
Total FDIC indemnification asset	3,915	6,373
Vantus Bank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	4,227	4,383
Original estimated fair value of assets, net of activity since acquisition date	(3,024)	(3,214)
Expected loss remaining	1,203	1,169
Assumed loss sharing recovery percentage	80.00%	80.00%
Estimated loss sharing value	962	935
Total FDIC indemnification asset	$ 962	$ 935