Note 21: Stock Option Plan: Schedule of Share-based Compensation, Activity (Details) - Employee Stock Option	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Options Outstanding | Beginning of Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	661,098
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 26.560
Share based compensation stock option weighted average remaining contractual term	6.72 years
Options Outstanding | End of Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	633,732
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 31.297
Share based compensation stock option weighted average remaining contractual term	7.22 years
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	129,350
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 49.199
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	(134,263)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 25.403
ForfeitedMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	(22,453)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 30.208
Options Exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	221,568
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 23.518
Share based compensation stock option weighted average remaining contractual term	4.72 years