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Net Income per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Net Income per Common Share |
Schedule of calculation of net income per common share | The calculation of net income per common share for the three and six months ended June 30, 2020 and 2019 (unaudited) was as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30,
(dollars and shares in thousands, except per share data) | ​ | 2020 | ​ | 2019 | ​ | 2020 | ​ | 2019
Basic: | ​ | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |
Net income | ​ | $ | 28,856 | ​ | $ | 37,243 | ​ | $ | 51,979 | ​ | $ | 70,992
Average common shares outstanding | ​ |  | 32,225 | ​ |  | 34,540 | ​ |  | 32,537 | ​ |  | 34,511
Basic net income per common share | ​ | $ | 0.90 | ​ | $ | 1.08 | ​ | $ | 1.60 | ​ | $ | 2.06
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted: | ​ |  |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Net income | ​ | $ | 28,856 | ​ | $ | 37,243 | ​ | $ | 51,979 | ​ | $ | 70,992
Average common shares outstanding | ​ |  | 32,225 | ​ |  | 34,540 | ​ |  | 32,537 | ​ |  | 34,511
Adjustment for common share equivalents | ​ |  | 16 | ​ |  | 25 | ​ |  | 24 | ​ |  | 38
Average common shares outstanding-diluted | ​ |  | 32,241 | ​ |  | 34,565 | ​ |  | 32,561 | ​ |  | 34,549
Diluted net income per common share | ​ | $ | 0.90 | ​ | $ | 1.08 | ​ | $ | 1.60 | ​ | $ | 2.05
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Anti-dilutive shares | ​ |  | 49 | ​ |  | 2 | ​ |  | 26 | ​ |  | 19

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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://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 + Details
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