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Earnings Per Share / Unit (EPS / EPU) (Tables) | 6 Months Ended
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Jun. 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 June 30, 2021 |  | Three Months Ended June 30, 2020 |  | Six Months Ended June 30, 2021 |  | Six Months Ended June 30, 2020
Numerator: |  |  |  |  |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders and Participating Securities | $ | 51,936 |  |  | $ | 35,669 |  |  | $ | 114,134 |  |  | $ | 76,303 |
Net Income Allocable to Participating Securities | (61) |  |  | (59) |  |  | (122) |  |  | (118) |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 51,875 |  |  | $ | 35,610 |  |  | $ | 114,012 |  |  | $ | 76,185 |
Denominator (In Thousands): |  |  |  |  |  |  |
Weighted Average Shares - Basic | 129,098 |  |  | 127,074 |  |  | 129,093 |  |  | 127,004 |
Effect of Dilutive Securities: |  |  |  |  |  |  |
Performance Units (See Note 9) | 89 |  |  | 192 |  |  | 86 |  |  | 185 |
Weighted Average Shares - Diluted | 129,187 |  |  | 127,266 |  |  | 129,179 |  |  | 127,189 |
Basic and Diluted EPS: |  |  |  |  |  |  |
Net Income Available to First Industrial Realty Trust, Inc.'s Common Stockholders | $ | 0.40 |  |  | $ | 0.28 |  |  | $ | 0.88 |  |  | $ | 0.60 |
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 June 30, 2021 |  | Three Months Ended June 30, 2020 |  | Six Months Ended June 30, 2021 |  | Six Months Ended June 30, 2020
Numerator: |  |  |  |  |  |  |
Net Income Available to Unitholders and Participating Securities | $ | 53,140 |  |  | $ | 36,332 |  |  | $ | 116,705 |  |  | $ | 77,811 |
Net Income Allocable to Participating Securities | (155) |  |  | (125) |  |  | (315) |  |  | (249) |
Net Income Available to Unitholders | $ | 52,985 |  |  | $ | 36,207 |  |  | $ | 116,390 |  |  | $ | 77,562 |
Denominator (In Thousands): |  |  |  |  |  |  |
Weighted Average Units - Basic | 131,188 |  |  | 129,081 |  |  | 131,180 |  |  | 129,075 |
Effect of Dilutive Securities: |  |  |  |  |  |  |
Performance Units and certain Performance RLP Units (See Note 9) | 516 |  |  | 380 |  |  | 489 |  |  | 355 |
Weighted Average Units - Diluted | 131,704 |  |  | 129,461 |  |  | 131,669 |  |  | 129,430 |
Basic EPU: |  |  |  |  |  |  |
Net Income Available to Unitholders | $ | 0.40 |  |  | $ | 0.28 |  |  | $ | 0.89 |  |  | $ | 0.60 |
Diluted EPU: |  |  |  |  |  |  |
Net Income Available to Unitholders | $ | 0.40 |  |  | $ | 0.28 |  |  | $ | 0.88 |  |  | $ | 0.60 |

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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=6371337&loc=d3e3550-109257 + Details
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