Note 8: Loss Sharing Agreements and Fdic Indemnification Assets: Schedule of InterBank FDIC Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
InterBank Loans
Initial basis for loss sharing determination, net of activity since acquisition date	$ 297,252	$ 356,844
Non-credit premium (discount), net of activity since acquisition date	2,056	2,541
Reclassification from nonaccretable discount to accretable discount due to change in expected losses (net of accretion to date)	(15,147)	(9,897)
Original estimated fair value of assets, net of activity since acquisition date	(218,962)	(259,232)
Expected loss remaining	65,199	90,256
Assumed loss sharing recovery percentage	82.00%	81.00%
Estimated loss sharing value	53,114	73,151
FDIC loss share clawback	2,000	1,000
Indemnification assets to be amortized resulting from change in expected losses	12,118	7,871
Accretable discount on FDIC indemnification asset	(5,341)	(6,893)
Total FDIC indemnification asset	61,891	75,129
InterBank Foreclosed Assets
Initial basis for loss sharing determination, net of activity since acquisition date	4,788	2,001
Original estimated fair value of assets, net of activity since acquisition date	(4,457)	(1,620)
Expected loss remaining	331	381
Assumed loss sharing recovery percentage	80.00%	80.00%
Estimated loss sharing value	265	304
Accretable discount on FDIC indemnification asset	(33)	(93)
Total FDIC indemnification asset	$ 232	$ 211