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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Common Share |
Schedule of computation of 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

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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