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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles the numerators and denominators of the basic and diluted per common share computations for net income attributable to Sterling common stockholders:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Sterling common stockholders | $ | 7,828 |  |  | $ | 8,174 |  |  | $ | 9,643 |  |  | $ | 10,663 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding — basic | 26,338 |  |  | 26,887 |  |  | 26,357 |  |  | 26,881 |
Shares for dilutive unvested stock and warrants | 285 |  |  | 238 |  |  | 300 |  |  | 281 |
Weighted average common shares outstanding — diluted | 26,623 |  |  | 27,125 |  |  | 26,657 |  |  | 27,162 |
Basic net income per share attributable to Sterling common stockholders | $ | 0.30 |  |  | $ | 0.30 |  |  | $ | 0.37 |  |  | $ | 0.40 |
Diluted net income per share attributable to Sterling common stockholders | $ | 0.29 |  |  | $ | 0.30 |  |  | $ | 0.36 |  |  | $ | 0.39 |

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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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