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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Earnings Per Common Share |
Schedule calculation of basic and diluted net income (loss) per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(in thousands) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Net income | ​ | $ | 24,653 | ​ | $ | 16,746 | ​ | $ | 41,138 | ​ | $ | 18,467
Less: Allocation of earnings to participating securities | ​ |  | (354) | ​ |  | (305) | ​ |  | (1,072) | ​ |  | (819)
Net income attributable to common stockholders | ​ | $ | 24,299 | ​ | $ | 16,441 | ​ | $ | 40,066 | ​ | $ | 17,648
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding used in basic earnings per common share | ​ | ​ | 154,358 | ​ | ​ | 153,033 | ​ | ​ | 154,234 | ​ | ​ | 152,857
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance-based restricted stock units | ​ | ​ | 54 | ​ | ​ | 128 | ​ | ​ | 89 | ​ | ​ | 123
ESPP shares | ​ | ​ | — | ​ | ​ | 3 | ​ | ​ | 3 | ​ | ​ | 2
Weighted average common shares outstanding used in diluted earnings per common share | ​ | ​ | 154,412 | ​ | ​ | 153,164 | ​ | ​ | 154,326 | ​ | ​ | 152,982

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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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