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Computation of Net Earnings per Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Computation of Net Earnings per Share |
Schedule of components of net income per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021 |
​ | ​ | (in thousands, except per share amounts) | ​
Net income available to common stockholders | ​ | $ | 44,189 | ​ | $ | 18,906 | ​ | $ | 85,804 | ​ | $ | 35,386 | ​
Weighted average common shares outstanding used in computing basic income per share | ​ |  | 33,096 | ​ |  | 33,677 | ​ |  | 33,170 | ​ |  | 33,696 | ​
Incremental options and RSUs | ​ |  | 466 | ​ |  | 634 | ​ |  | 600 | ​ |  | 777 | ​
Weighted average common shares used in computing diluted net income per share | ​ |  | 33,562 | ​ |  | 34,311 | ​ |  | 33,770 | ​ |  | 34,473 | ​
Net income per share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 1.34 | ​ | $ | 0.56 | ​ | $ | 2.59 | ​ | $ | 1.05 | ​
Diluted | ​ | $ | 1.32 | ​ | $ | 0.55 | ​ | $ | 2.54 | ​ | $ | 1.03 | ​

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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=124432515&loc=d3e3550-109257 + Details
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