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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 | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Numerator: |  |  |  |  |  |  |  |  |  |  |
Income from Continuing Operations |  |  |  |  |  |  |  |  | $ 76,705 | $ 23,182 | $ 4,862
Noncontrolling Interest Allocable to Continuing Operations |  |  |  |  |  |  |  |  | (2,903) | (813) | 396
Income from Continuing Operations Allocable to Participating Securities | $ (153) | $ (50) | $ (50) | $ (41) | $ (32) | $ (33) | $ (32) | $ (18) | (248) | (75) | 0
Income (Loss) from Continuing Operations Attributable to Common Stockholder / Unitholders |  |  |  |  |  |  |  |  | 73,554 | 22,294 | 5,258
Preferred Dividends/Unit Distributions |  |  |  |  | 0 | 0 | 0 | (1,019) | 0 | (1,019) | (8,733)
Redemption of Preferred Stock/Units |  |  |  |  | 0 | 0 | 0 | (1,462) | 0 | (1,462) | (5,667)
Income (Loss) from Continuing Operations Available to First Industrial Realty Trust, Inc.’s Common Stockholders |  |  |  |  |  |  |  |  | 73,554 | 19,813 | (9,142)
Income from Discontinued Operations |  |  |  |  | 11,246 | 13,389 | 1,011 | 1,095 | 0 | 27,823 | 36,566
Noncontrolling Interest Allocable to Discontinued Operations |  |  |  |  |  |  |  |  | 0 | (1,082) | (1,517)
Income from Discontinued Operations Allocable to Participating Securities |  |  |  |  | (47) | (57) | (11) | (14) | 0 | (100) | (162)
Income from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  |  |  |  |  | 0 | 26,641 | 34,887
Net Income (Loss) Available to Common Stockholders/Unitholders and Participating Securities | $ 43,500 | $ 13,917 | $ 14,012 | $ 2,373 | $ 18,781 | $ 21,327 | $ 4,039 | $ 2,482 | 73,802 | 46,629 | 25,907
Net Income Allocable to Participating Securities |  |  |  |  |  |  |  |  | (248) | (175) | (162)
Net Income Available to First Industrial Realty Trust, Inc.’s Common Stockholders |  |  |  |  |  |  |  |  | $ 73,554 | $ 46,454 | $ 25,745
Denominator: |  |  |  |  |  |  |  |  |  |  |
Weighted Average Shares/Units - Basic | 110,392 | 110,356 | 110,348 | 110,310 | 110,118 | 110,072 | 109,815 | 109,676 | 110,352 | 109,922 | 106,995
LTIP Unit Awards |  |  |  |  |  |  |  |  | 429 | 403 | 0
Weighted Average Shares/Units - Diluted | 110,916 | 110,848 | 110,683 | 110,675 | 110,405 | 110,271 | 110,404 | 110,215 | 110,781 | 110,325 | 106,995
Basic Earnings Per Share/Unit: |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Available to Common Stockholders / Unitholders |  |  |  |  | $ 0.07 | $ 0.07 | $ 0.03 | $ 0.01 | $ 0.67 | $ 0.18 | $ (0.09)
Income (Loss) from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  | 0.10 | 0.12 | 0.01 | 0.01 | 0.00 | 0.24 | 0.33
Net Income Available to Common Stockholders/Unitholders | $ 0.39 | $ 0.13 | $ 0.13 | $ 0.02 | 0.17 | 0.19 | 0.04 | 0.02 | 0.67 | 0.42 | 0.24
Diluted Earnings Per Share/Unit: |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Available to Common Stockholders / Unitholders |  |  |  |  | 0.07 | 0.07 | 0.03 | 0.01 | 0.66 | 0.18 | (0.09)
Income (Loss) from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  | 0.10 | 0.12 | 0.01 | 0.01 | 0.00 | 0.24 | 0.33
Net Income Available to Common Stockholders / Unitholders | $ 0.39 | $ 0.13 | $ 0.13 | $ 0.02 | $ 0.17 | $ 0.19 | $ 0.04 | $ 0.02 | $ 0.66 | $ 0.42 | $ 0.24
First Industrial L.P. |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |
Income from Continuing Operations |  |  |  |  |  |  |  |  | $ 76,820 | $ 23,434 | $ 4,908
Noncontrolling Interest Allocable to Continuing Operations |  |  |  |  |  |  |  |  | (138) | (62) | (36)
Income from Continuing Operations Allocable to Participating Securities | $ (153) | $ (50) | $ (50) | $ (41) | $ (32) | $ (33) | $ (32) | $ (17) | (248) | (75) | 0
Income (Loss) from Continuing Operations Attributable to Common Stockholder / Unitholders |  |  |  |  |  |  |  |  | 76,434 | 23,297 | 4,872
Preferred Dividends/Unit Distributions |  |  |  |  | 0 | 0 | 0 | (1,019) | 0 | (1,019) | (8,733)
Redemption of Preferred Stock/Units |  |  |  |  | 0 | 0 | 0 | (1,462) | 0 | (1,462) | (5,667)
Income (Loss) from Continuing Operations Available to Unitholders |  |  |  |  |  |  |  |  | 76,434 | 20,816 | (9,528)
Income from Discontinued Operations |  |  |  |  | 11,698 | 13,924 | 1,051 | 1,140 | 0 | 27,823 | 36,566
Noncontrolling Interest Allocable to Discontinued Operations |  |  |  |  |  |  |  |  | 0 | (10) | (5)
Income from Discontinued Operations Allocable to Participating Securities |  |  |  |  | (47) | (57) | (11) | (14) | 0 | (100) | (162)
Income from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  |  |  |  |  | 0 | 27,713 | 36,399
Net Income (Loss) Available to Common Stockholders/Unitholders and Participating Securities | $ 45,143 | $ 14,438 | $ 14,644 | $ 2,457 | $ 19,662 | $ 22,218 | $ 4,227 | $ 2,597 | 76,682 | 48,704 | 27,033
Net Income Allocable to Participating Securities |  |  |  |  |  |  |  |  | (248) | (175) | (162)
Net Income Available to Unitholders |  |  |  |  |  |  |  |  | $ 76,434 | $ 48,529 | $ 26,871
Denominator: |  |  |  |  |  |  |  |  |  |  |
Weighted Average Shares/Units - Basic | 114,722 | 114,720 | 114,712 | 114,681 | 114,512 | 114,512 | 114,278 | 114,245 | 114,709 | 114,388 | 111,646
LTIP Unit Awards |  |  |  |  |  |  |  |  | 429 | 403 | 0
Weighted Average Shares/Units - Diluted | 115,246 | 115,212 | 115,047 | 115,046 | 114,799 | 114,711 | 114,867 | 114,784 | 115,138 | 114,791 | 111,646
Basic Earnings Per Share/Unit: |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Available to Common Stockholders / Unitholders |  |  |  |  | $ 0.07 | $ 0.07 | $ 0.03 | $ 0.01 | $ 0.67 | $ 0.18 | $ (0.09)
Income (Loss) from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  | 0.10 | 0.12 | 0.01 | 0.01 | 0.00 | 0.24 | 0.33
Net Income Available to Common Stockholders/Unitholders | $ 0.39 | $ 0.13 | $ 0.13 | $ 0.02 | 0.17 | 0.19 | 0.04 | 0.02 | 0.67 | 0.42 | 0.24
Diluted Earnings Per Share/Unit: |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations Available to Common Stockholders / Unitholders |  |  |  |  | 0.07 | 0.07 | 0.03 | 0.01 | 0.66 | 0.18 | (0.09)
Income (Loss) from Discontinued Operations Attributable to Common Stockholders / Unitholders |  |  |  |  | 0.10 | 0.12 | 0.01 | 0.01 | 0.00 | 0.24 | 0.33
Net Income Available to Common Stockholders / Unitholders | $ 0.39 | $ 0.12 | $ 0.13 | $ 0.02 | $ 0.17 | $ 0.19 | $ 0.04 | $ 0.02 | $ 0.66 | $ 0.42 | $ 0.24

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