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Note 1: Nature of Operations and Summary of Significant Accounting Policies: Earnings Per Share, Policy (Policies) | 12 Months Ended
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Dec. 31, 2018
Policies |
Earnings Per Share, Policy | Earnings Per Common Share Basic earnings per common share are computed based on the weighted average number of common shares outstanding during each year. Diluted earnings per common share are computed using the weighted average common shares and all potential dilutive common shares outstanding during the period. Earnings per common share (EPS) were computed as follows:
| 2018 | 2017 | 2016
| (In Thousands, Except Per Share Data)
Net income and net income available to common shareholders | $ 67,109 | $ 51,564 | $ 45,342
Average common shares outstanding | 14,132 | 14,032 | 13,912
Average common share stock options outstanding | 128 | 148 | 229
Average diluted common shares | 14,260 | 14,180 | 14,141
Earnings per common share – basic | $ 4.75 | $ 3.67 | $ 3.26
Earnings per common share – diluted | $ 4.71 | $ 3.64 | $ 3.21
Options outstanding at December 31, 2018, 2017 and 2016, to purchase 424,833, 253,711 and 108,450 shares of common stock, respectively, were not included in the computation of diluted earnings per common share for each of the years because the exercise prices of such options were greater than the average market prices of the common stock for the years ended December 31, 2018, 2017 and 2016, respectively.

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- Definition Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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