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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2019
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):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ | ​ | 2019 | ​ | 2018 | ​ | 2019 | ​ | 2018
Net income | ​ | $ | 27,280 | ​ | $ | 34,937 | ​ | $ | 68,241 | ​ | $ | 124,232
Less income allocated to non-controlling interests | ​ |  | (88) | ​ |  | (17) | ​ |  | (257) | ​ |  | (17)
Less income allocated to participating securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Non-forfeitable dividends on participating securities | ​ | ​ | (93) | ​ | ​ | (89) | ​ | ​ | (279) | ​ | ​ | (268)
Income allocated to participating securities | ​ | ​ | (19) | ​ | ​ | (49) | ​ | ​ | (19) | ​ | ​ | (236)
Total net income allocated to participating securities | ​ | ​ | (112) | ​ | ​ | (138) | ​ | ​ | (298) | ​ | ​ | (504)
Net income available to common stockholders | ​ | ​ | 27,080 | ​ | ​ | 34,782 | ​ | ​ | 67,686 | ​ | ​ | 123,711
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Participating securities | ​ | ​ | — | (1) | ​ | 138 | ​ | ​ | — | (1) | ​ | 504
Net income for diluted net income per share | ​ | $ | 27,080 | ​ | $ | 34,920 | ​ | $ | 67,686 | ​ | $ | 124,215
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Shares for basic net income per share | ​ | ​ | 39,586 | ​ | ​ | 39,487 | ​ | ​ | 39,565 | ​ | ​ | 39,470
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | 4 | ​ | ​ | 4 | ​ | ​ | 4 | ​ | ​ | 3
Performance-based stock units | ​ | ​ | 375 | ​ | ​ | 217 | ​ | ​ | 375 | ​ | ​ | 217
Participating securities | ​ | ​ | — | (1) | ​ | 157 | ​ | ​ | — | (1) | ​ | 155
Total effect of dilutive securities | ​ | ​ | 379 | ​ | ​ | 378 | ​ | ​ | 379 | ​ | ​ | 375
Shares for diluted net income per share | ​ | ​ | 39,965 | ​ | ​ | 39,865 | ​ | ​ | 39,944 | ​ | ​ | 39,845
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic net income per share | ​ | $ | 0.68 | ​ | $ | 0.88 | ​ | $ | 1.71 | ​ | $ | 3.13
Diluted net income per share | ​ | $ | 0.68 | ​ | $ | 0.88 | ​ | $ | 1.69 | ​ | $ | 3.12
(1) | For the three and nine months ended September 30, 2019, 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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