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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
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 earnings per share computations for the three and nine months ended September 30, 2021 and 2020:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Numerator: |  |  |  |  |  |  |
Net income attributable to Sterling common stockholders | $ | 21,126 |  |  | $ | 15,157 |  |  | $ | 51,737 |  |  | $ | 36,482 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding — basic | 28,710 |  |  | 28,003 |  |  | 28,527 |  |  | 27,832 |
Shares for dilutive unvested stock and warrants | 503 |  |  | 230 |  |  | 400 |  |  | 154 |
Weighted average common shares outstanding — diluted | 29,213 |  |  | 28,233 |  |  | 28,927 |  |  | 27,986 |
Basic net income per share attributable to Sterling common stockholders | $ | 0.74 |  |  | $ | 0.54 |  |  | $ | 1.81 |  |  | $ | 1.31 |
Diluted net income per share attributable to Sterling common stockholders | $ | 0.72 |  |  | $ | 0.54 |  |  | $ | 1.79 |  |  | $ | 1.30 |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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