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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Earnings Per Share, Basic and Diluted | The following table sets forth the computation of basic and diluted EPS (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended September 30, | ​ | Nine months ended September 30, | ​
​ | ​ | 2021 | ​ | 2020 | ​ | 2021 | ​ | 2020 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | $ | 41,982 | ​ | $ | 34,453 | ​ | $ | 130,008 | ​ | $ | 74,865 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares of common stock outstanding | ​ | ​ | 11,692 | ​ | ​ | 11,766 | ​ | ​ | 11,739 | ​ | ​ | 11,772 | ​
Effect of dilutive common stock equivalents | ​ | ​ | 93 | ​ | ​ | 91 | ​ | ​ | 101 | ​ | ​ | 68 | ​
Weighted average shares of common stock outstanding | ​ | ​ | 11,785 | ​ | ​ | 11,857 | ​ | ​ | 11,840 | ​ | ​ | 11,840 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - basic | ​ | $ | 3.59 | ​ | $ | 2.93 | ​ | $ | 11.07 | ​ | $ | 6.36 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share - diluted | ​ | $ | 3.56 | ​ | $ | 2.91 | ​ | $ | 10.98 | ​ | $ | 6.32 | ​

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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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