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Earnings Per Share / Unit (EPS / EPU) (Tables) | 3 Months Ended
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Mar. 31, 2019
Computation of Basic and Diluted Earnings Per Share / Unit | The computation of basic and diluted EPS of the Company is presented below:
| Three Months Ended March 31, 2019 |  | Three Months Ended March 31, 2018
Numerator: |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders and Participating Securities | $ | 23,803 |  |  | $ | 36,292 |
Net Income Allocable to Participating Securities | (60 | ) |  | (97 | )
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 23,743 |  |  | $ | 36,195 |
Denominator (In Thousands): |  |  |
Weighted Average Shares - Basic | 126,194 |  |  | 119,846 |
Effect of Dilutive Securities: |  |  |
Performance units (See Note 9) | 262 |  |  | 365 |
Weighted Average Shares - Diluted | 126,456 |  |  | 120,211 |
Basic and Diluted EPS: |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 0.19 |  |  | $ | 0.30 |
First Industrial, L.P. |
Computation of Basic and Diluted Earnings Per Share / Unit | The computation of basic and diluted EPU of the Operating Partnership is presented below:
| Three Months Ended March 31, 2019 |  | Three Months Ended March 31, 2018
Numerator: |  |  |
Net Income Available to Unitholders and Participating Securities | $ | 24,314 |  |  | $ | 37,443 |
Net Income Allocable to Participating Securities | (76 | ) |  | (97 | )
Net Income Available to Unitholders | $ | 24,238 |  |  | $ | 37,346 |
Denominator (In Thousands): |  |  |
Weighted Average Units - Basic | 128,818 |  |  | 123,729 |
Effect of Dilutive Securities that Result in the Issuance of General Partner Units: |  |  |
Performance units and certain Performance LTIP Units (See Note 9) | 360 |  |  | 365 |
Weighted Average Units - Diluted | 129,178 |  |  | 124,094 |
Basic and Diluted EPU: |  |  |
Net Income Available to Unitholders | $ | 0.19 |  |  | $ | 0.30 |

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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://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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