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Earnings Per Share | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share Basic earnings per share is calculated by dividing net income available to common stockholders by the weighted-average number of common shares outstanding. Diluted earnings per share is calculated by dividing net income available to common stockholders that has been adjusted for dilutive securities, by the weighted-average number of common shares outstanding including dilutive securities. The following is a reconciliation of the calculation of basic and diluted earnings per share (in thousands, except share and per share data):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |
Net income | $ | 31,443 |  |  | $ | 21,623 |  |  | $ | 63,790 |  |  | $ | 67,105 |
Denominator: |  |  |  |  |  |  |
Weighted-average number of common shares outstanding—basic | 208,758,945 |  |  | 200,834,910 |  |  | 204,520,637 |  |  | 200,767,104 |
Effect of dilutive securities: |  |  |  |  |  |  |
Unvested restricted common stock | 221,018 |  |  | 173,557 |  |  | 212,051 |  |  | 170,612 |
Shares related to unvested PSUs | 617,074 |  |  | 415,933 |  |  | 617,074 |  |  | 415,933 |
Weighted-average number of common shares outstanding—diluted | 209,597,037 |  |  | 201,424,400 |  |  | 205,349,762 |  |  | 201,353,649 |
Earnings per share: |  |  |  |  |  |  |  |  |  |
Basic earnings per share | $ | 0.15 |  |  | $ | 0.11 |  |  | $ | 0.31 |  |  | $ | 0.33 |
Diluted earnings per share | $ | 0.15 |  |  | $ | 0.11 |  |  | $ | 0.31 |  |  | $ | 0.33 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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