Note 21: Stock Option Plan: Schedule of Nonvested Share Activity (Details) (USD $)	12 Months Ended
	Dec. 31, 2013
Nonvested Options | Balance beginning of period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	300,703
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price	$ 21.442
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value	$ 4.596
Nonvested Options | Balance end of period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	339,958
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price	$ 24.794
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value	$ 4.768
Nonvested Options Granted
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	119,600
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price	$ 29.371
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value	$ 5.212
Nonvested Options Vested This Period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	(65,389)
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price	$ 18.437
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value	$ 4.768
Nonvested Options Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	(14,956)
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Exercise Price	$ 21.715
Share Based Compensation Arrangement by Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value	$ 4.790