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Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 2020
Earnings per Share |
Schedule of basic and diluted net income per share | The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​
​ | ​ | March 31,
​ | ​ | 2020 | ​ | 2019 | ​
Net income | ​ | $ | 63,722 |  | $ | 20,427 |
Less income allocated to non-controlling interests | ​ |  | (89) | ​ |  | (81) | ​
Less income allocated to participating securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-forfeitable dividends on participating securities | ​ |  | (94) | ​ |  | (92) | ​
Income allocated to participating securities | ​ |  | (169) | ​ |  | — | ​
Total net income allocated to participating securities | ​ |  | (263) | ​ |  | (92) | ​
Net income available to common stockholders | ​ |  | 63,370 | ​ |  | 20,254 | ​
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Participating securities | ​ | ​ | — | ​ | ​ | 92 | ​
Net income for diluted net income per share | ​ | $ | 63,370 | ​ | $ | 20,346 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Shares for basic net income per share | ​ |  | 39,539 | ​ |  | 39,532 | ​
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ |  | 2 | ​ |  | 4 | ​
Performance-based stock units | ​ | ​ | — | (1) | ​ | 181 | ​
Participating securities | ​ | ​ | — | (2) | ​ | 157 | ​
Total effect of dilutive securities | ​ |  | 2 | ​ |  | 342 | ​
Shares for diluted net income per share | ​ |  | 39,541 | ​ |  | 39,874 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic net income per share | ​ | $ | 1.60 | ​ | $ | 0.51 | ​
Diluted net income per share | ​ | $ | 1.60 | ​ | $ | 0.51 | ​
(1) | At March 31, 2020, no performance-based stock units would be earned based on TSR targets.
​
(2) | For the three months ended March 31, 2020, the participating securities have been excluded from the computation of diluted net income per share as such inclusion would be anti-dilutive.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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