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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 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 September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Sterling common stockholders | $ | 7,957 |  |  | $ | 8,917 |  |  | $ | 17,600 |  |  | $ | 19,580 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding — basic | 26,365 |  |  | 26,908 |  |  | 26,359 |  |  | 26,893 |
Shares for dilutive unvested stock and warrants | 272 |  |  | 387 |  |  | 302 |  |  | 281 |
Weighted average common shares outstanding — diluted | 26,637 |  |  | 27,295 |  |  | 26,661 |  |  | 27,174 |
Basic net income per share attributable to Sterling common stockholders | $ | 0.30 |  |  | $ | 0.33 |  |  | $ | 0.67 |  |  | $ | 0.73 |
Diluted net income per share attributable to Sterling common stockholders | $ | 0.30 |  |  | $ | 0.33 |  |  | $ | 0.66 |  |  | $ | 0.72 |

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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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