Note 8: Loss Sharing Agreements and FDIC Indemnification Assets: Sun Security Bank Business Combination Policy (Details) (Sun Security Bank, USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Sun Security Bank
Acquired Loans and Amount Accreted to Yield	$ 500,000	$ 1,200,000