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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
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Numerator: |  |
Net Income Available to Common Stockholders / Unitholders and Participating Securities | $ 15,688 | $ 2,373
Net Income Allocable to Participating Securities | (63) | (41)
Net Income Available to First Industrial Realty Trust, Inc.’s Common Stockholders | $ 15,625 | $ 2,332
Denominator: |  |
Weighted Average Shares / Units - Basic | 110,793 | 110,310
LTIP Unit Awards (As Defined in Note 9) | 192 | 365
Weighted Average Shares / Units - Diluted | 110,985 | 110,675
Basic and Diluted EPS / EPU: |  |
Net Income Available to Common Stockholders / Unitholders | $ 0.14 | $ 0.02
First Industrial, L.P. |  |
Numerator: |  |
Net Income Available to Common Stockholders / Unitholders and Participating Securities | $ 16,281 | $ 2,457
Net Income Allocable to Participating Securities | (63) | (41)
Net Income Available to Unitholders | $ 16,218 | $ 2,416
Denominator: |  |
Weighted Average Shares / Units - Basic | 115,096 | 114,681
LTIP Unit Awards (As Defined in Note 9) | 192 | 365
Weighted Average Shares / Units - Diluted | 115,288 | 115,046
Basic and Diluted EPS / EPU: |  |
Net Income Available to Common Stockholders / Unitholders | $ 0.14 | $ 0.02

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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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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
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