Note 5: Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Details
Weighted Average Number of Shares Outstanding, Basic	13,790	13,685	13,790	13,685
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ 11,858	$ 10,909	$ 23,366	$ 19,582
BASIC EARNINGS PER COMMON SHARE	$ 0.86	$ 0.80	$ 1.69	$ 1.43
Weighted Average Number of Shares Outstanding, Diluted	13,790	13,685	13,790	13,685
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 189	$ 95	$ 189	$ 95
Weighted Average Number Diluted Shares Outstanding Adjustment	13,979	13,780	13,979	13,780
Net Income (Loss) Available to Common Stockholders, Diluted	$ 11,858	$ 10,909	$ 23,366	$ 19,582
DILUTED EARNINGS PER COMMON SHARE	$ 0.85	$ 0.79	$ 1.67	$ 1.42