Note 15: Disclosures About Fair Value of Financial Instruments: Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Mortgage servicing rights
Servicing Asset Beginning of Period		$ 637
Servicing Asset at Fair Value, Additions	117	21
Servicing Asset at Amortized Value, Fair Value	(257)	(366)
Servicing Asset End of Period	152	292
Interest rate swap asset
Servicing Asset at Fair Value, Other Changes in Fair Value	2,001	111
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Level 3 End of Period	2,112	111
Interest rate swap liability
Servicing Liability at Fair Value, Other Changes in Fair Value	2,039	121
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Level 3 End of Period	$ 2,160	$ 121