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Earnings Per Share | 6 Months Ended
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Jun. 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 June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |
Net income | $ | 28,009 |  |  | $ | 36,595 |  |  | $ | 32,347 |  |  | $ | 45,482 |
Denominator: |  |  |  |  |  |  |
Weighted-average number of common shares outstanding—basic | 203,574,282 |  |  | 200,810,323 |  |  | 202,366,359 |  |  | 200,732,639 |
Effect of dilutive securities: |  |  |  |  |  |  |
Unvested restricted common stock | 148,608 |  |  | 99,677 |  |  | 207,279 |  |  | 165,483 |
Shares related to unvested PSUs | 793,252 |  |  | 831,394 |  |  | 793,252 |  |  | 831,394 |
Weighted-average number of common shares outstanding—diluted | 204,516,142 |  |  | 201,741,394 |  |  | 203,366,890 |  |  | 201,729,516 |
Earnings per share: |  |  |  |  |  |  |  |  |  |
Basic earnings per share | $ | 0.14 |  |  | $ | 0.18 |  |  | $ | 0.16 |  |  | $ | 0.23 |
Diluted earnings per share | $ | 0.14 |  |  | $ | 0.18 |  |  | $ | 0.16 |  |  | $ | 0.23 |

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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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