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Net Income Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2019
Net Income Per Common Share |
Schedule of Weighted Average Number of Common Shares Outstanding | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2019 |  | 2018 |  | 2019 |  | 2018
Denominator: |  |  |  |  |  |  |  |
Basic weighted average shares outstanding |  | 47,920 |  | 47,682 |  | 47,833 |  | 47,592
Effect of dilutive stock options and restricted stock |  | 417 |  | 740 |  | 484 |  | 837
Diluted weighted average shares outstanding |  | 48,337 |  | 48,422 |  | 48,317 |  | 48,429

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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