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Earnings Per Common Share | 9 Months Ended
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Sep. 30, 2020
Earnings Per Common Share |
Earnings Per Common Share | Note 7: Earnings Per Common Share ​ Earnings per common share have been computed as follows (in thousands, except per share data): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Net income | ​ | $ | 30,829 | ​ | $ | 24,828 | ​ | $ | 71,999 | ​ | $ | 74,382
Shares: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding | ​ |  | 54,586 | ​ |  | 55,410 | ​ |  | 54,579 | ​ |  | 54,783
Dilutive effect of outstanding options, warrants and restricted stock units as determined by the application of the treasury stock method | ​ |  | 152 | ​ |  | 236 | ​ |  | 217 | ​ |  | 275
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding, as adjusted for diluted earnings per share calculation | ​ |  | 54,738 | ​ |  | 55,646 | ​ |  | 54,796 | ​ |  | 55,058
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per common share | ​ | $ | 0.56 | ​ | $ | 0.45 | ​ | $ | 1.32 | ​ | $ | 1.36
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted earnings per common share | ​ | $ | 0.56 | ​ | $ | 0.45 | ​ | $ | 1.31 | ​ | $ | 1.35
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common stock equivalents excluded from the earning per common share calculations because their effect would have been anti-dilutive | ​ | ​ | 300 | ​ | ​ | 237 | ​ | ​ | 300 | ​ | ​ | 385
​ Basic earnings per share is computed by dividing net income for the period by the weighted average number of common shares outstanding, which include deferred stock units that are vested but not delivered. Diluted earnings per common share is computed using the treasury stock method and reflects the potential dilution that could occur if the Company’s outstanding stock options and warrants were exercised and restricted stock units were vested.

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