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Net Income Per Share Attributable to Sterling Common Stockholders (Tables) | 3 Months Ended
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Mar. 31, 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 March 31,
| 2019 |  | 2018
Numerator: |  |  |  |  |
Net income attributable to Sterling common stockholders | $ | 1,815 |  |  | $ | 2,489 |
Denominator: |  |  |
Weighted average common shares outstanding — basic | 26,377 |  |  | 26,854 |
Shares for dilutive unvested stock and warrants | 346 |  |  | 224 |
Weighted average common shares outstanding and incremental shares assumed repurchased — diluted | 26,723 |  |  | 27,078 |
Basic income per share attributable to Sterling common stockholders | $ | 0.07 |  |  | $ | 0.09 |
Diluted income per share attributable to Sterling common stockholders | $ | 0.07 |  |  | $ | 0.09 |

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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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