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Earnings Per Share / Unit (EPS / EPU) (Tables) | 9 Months Ended
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Sep. 30, 2021
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 September 30, 2021 |  | Three Months Ended September 30, 2020 |  | Nine Months Ended September 30, 2021 |  | Nine Months Ended September 30, 2020
Numerator: |  |  |  |  |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders and Participating Securities | $ | 42,446 |  |  | $ | 35,959 |  |  | $ | 156,580 |  |  | $ | 112,262 |
Net Income Allocable to Participating Securities | (48) |  |  | (59) |  |  | (170) |  |  | (177) |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 42,398 |  |  | $ | 35,900 |  |  | $ | 156,410 |  |  | $ | 112,085 |
Denominator (In Thousands): |  |  |  |  |  |  |
Weighted Average Shares - Basic | 129,633 |  |  | 127,903 |  |  | 129,275 |  |  | 127,306 |
Effect of Dilutive Securities: |  |  |  |  |  |  |
Performance Units (See Note 9) | 89 |  |  | 198 |  |  | 87 |  |  | 189 |
Weighted Average Shares - Diluted | 129,722 |  |  | 128,101 |  |  | 129,362 |  |  | 127,495 |
Basic and Diluted EPS: |  |  |  |  |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 0.33 |  |  | $ | 0.28 |  |  | $ | 1.21 |  |  | $ | 0.88 |
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 September 30, 2021 |  | Three Months Ended September 30, 2020 |  | Nine Months Ended September 30, 2021 |  | Nine Months Ended September 30, 2020
Numerator: |  |  |  |  |  |  |
Net Income Available to Unitholders and Participating Securities | $ | 43,399 |  |  | $ | 36,639 |  |  | $ | 160,104 |  |  | $ | 114,450 |
Net Income Allocable to Participating Securities | (126) |  |  | (125) |  |  | (441) |  |  | (374) |
Net Income Available to Unitholders | $ | 43,273 |  |  | $ | 36,514 |  |  | $ | 159,663 |  |  | $ | 114,076 |
Denominator (In Thousands): |  |  |  |  |  |  |
Weighted Average Units - Basic | 131,668 |  |  | 129,914 |  |  | 131,345 |  |  | 129,357 |
Effect of Dilutive Securities: |  |  |  |  |  |  |
Performance Units and certain Performance RLP Units (See Note 9) | 510 |  |  | 380 |  |  | 496 |  |  | 363 |
Weighted Average Units - Diluted | 132,178 |  |  | 130,294 |  |  | 131,841 |  |  | 129,720 |
Basic EPU: |  |  |  |  |  |  |
Net Income Available to Unitholders | $ | 0.33 |  |  | $ | 0.28 |  |  | $ | 1.22 |  |  | $ | 0.88 |
Diluted EPU: |  |  |  |  |  |  |
Net Income Available to Unitholders | $ | 0.33 |  |  | $ | 0.28 |  |  | $ | 1.21 |  |  | $ | 0.88 |

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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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