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Note 1: Nature of Operations and Summary of Significant Accounting Policies: Earnings Per Common Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Details |  |  |
Earnings per share net income | $ 46,502 | $ 43,529 | $ 33,729
Net Income Available to Common Shareholders | $ 45,948 | $ 42,950 | $ 33,150
Weighted Average Number of Shares Outstanding, Basic | 13,818 | 13,700 | 13,635
Average common share stock options outstanding | 182 | 176 | 80
Weighted Average Number of Shares Outstanding, Diluted | 14,000 | 13,876 | 13,715
Basic | $ 3.33 | $ 3.14 | $ 2.43
Diluted | $ 3.28 | $ 3.10 | $ 2.42

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