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Earnings Per Share / Unit (EPS / EPU) - Computation of Basic and Diluted EPS / EPU (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Numerator: |  |  |  |
Net Income Available to Common Stockholders / Unitholders and Participating Securities | $ 50,229 | $ 14,012 | $ 65,917 | $ 16,385
Net Income Allocable to Participating Securities | (180) | (50) | (217) | (91)
Net Income Available to First Industrial Realty Trust, Inc.’s Common Stockholders | $ 50,049 | $ 13,962 | $ 65,700 | $ 16,294
Denominator: |  |  |  |
Weighted Average Shares / Units - Basic | 116,191 | 110,348 | 113,492 | 110,329
LTIP Unit Awards (As Defined in Note 9) | 367 | 335 | 279 | 350
Weighted Average Shares / Units - Diluted | 116,558 | 110,683 | 113,771 | 110,679
Basic and Diluted EPS / EPU: |  |  |  |
Net Income Available to Common Stockholders / Unitholders | $ 0.43 | $ 0.13 | $ 0.58 | $ 0.15
First Industrial, L.P. |  |  |  |
Numerator: |  |  |  |
Net Income Available to Common Stockholders / Unitholders and Participating Securities | $ 52,048 | $ 14,644 | $ 68,329 | $ 17,101
Net Income Allocable to Participating Securities | (180) | (50) | (217) | (91)
Net Income Available to Unitholders | $ 51,868 | $ 14,594 | $ 68,112 | $ 17,010
Denominator: |  |  |  |
Weighted Average Shares / Units - Basic | 120,486 | 114,712 | 117,791 | 114,697
LTIP Unit Awards (As Defined in Note 9) | 367 | 335 | 279 | 350
Weighted Average Shares / Units - Diluted | 120,853 | 115,047 | 118,070 | 115,047
Basic and Diluted EPS / EPU: |  |  |  |
Net Income Available to Common Stockholders / Unitholders | $ 0.43 | $ 0.13 | $ 0.58 | $ 0.15

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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