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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted EPS for the years ended December 31, 2019, 2018 and 2017 (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2019 | ​ | 2018 | ​ | 2017
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 77,916 | ​ | $ | 55,789 | ​ | $ | 27,721
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares of common stock outstanding | ​ | ​ | 11,771 | ​ | ​ | 11,947 | ​ | ​ | 11,924
Effect of dilutive common stock equivalents | ​ | ​ | 346 | ​ | ​ | 132 | ​ | ​ | 164
Weighted average shares of common stock outstanding | ​ | ​ | 12,117 | ​ | ​ | 12,079 | ​ | ​ | 12,088
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - basic | ​ | $ | 6.62 | ​ | $ | 4.67 | ​ | $ | 2.32
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - diluted | ​ | $ | 6.43 | ​ | $ | 4.62 | ​ | $ | 2.29

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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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