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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2022
Summary of Significant Accounting Policies |
Schedule of reconciliation of shares used to determine net income per share | The reconciliation of shares used to determine net income per share is as follows (dollars in thousands, unaudited): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months |  | Nine Months
​ | ​ | ended September 30, | ​ | ended September 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Net income | ​ | $ | 29,356 | ​ | $ | 15,870 | ​ | $ | 98,721 | ​ | $ | 26,071
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares – basic | ​ |  | 45,063,810 | ​ | ​ | 43,870,825 | ​ | ​ | 44,935,739 | ​ | ​ | 43,576,211
Shares underlying options | ​ | ​ | 2,117,614 | ​ | ​ | 3,093,697 | ​ | ​ | 2,117,271 | ​ | ​ | 2,836,480
Weighted average number of shares – diluted | ​ | ​ | 47,181,424 | ​ | ​ | 46,964,522 | ​ | ​ | 47,053,010 | ​ | ​ | 46,412,691

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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