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WEIGHTED AVERAGE SHARE COUNTS (Tables) | 9 Months Ended
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Sep. 30, 2023
Weighted Average Share Counts |
Schedule of Diluted Shares Calculation | The following table sets forth the computation of basic and diluted shares for the periods indicated (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Shares used in basic earnings per share calculation | ​ | 47,415 |  | 47,207 |  | 47,305 |  | 47,087
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Restricted stock units | ​ | 73 |  | 107 |  | 104 |  | 258
Performance-based restricted stock units | ​ | — |  | — |  | 8 |  | 9
Total effects of dilutive securities | ​ | 73 |  | 107 |  | 112 |  | 267
Shares used in dilutive earnings per share calculation | ​ | 47,488 |  | 47,314 |  | 47,417 |  | 47,354

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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