CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in- Capital	Distributions in Excess of Accumulated Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interest	First Industrial, L.P.	First Industrial, L.P. General Partner Units	First Industrial, L.P. Limited Partner Units	First Industrial, L.P. Accumulated Other Comprehensive Loss	First Industrial, L.P. Noncontrolling Interest
Beginning Balance at Dec. 31, 2016	$ 1,284,625	$ 1,172	$ 1,886,771	$ (641,859)	$ (4,643)	$ 43,184
Beginning Balance at Dec. 31, 2016							$ 1,295,063	$ 1,219,755	$ 79,156	$ (4,804)	$ 956
Increase (Decrease) in Stockholders' Equity / Partners' Capital [Roll Forward]
Issuance of Common Stock / Contribution of General Partner Units, Net of Issuance Costs	74,661	25	74,636				74,661	74,661
Stock Based Compensation Activity	4,366	2	5,088	(724)
Stock Based Compensation Activity							4,366	4,366
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	0	39			(39)	0	39	(39)
Reallocation - Additional Paid-in-Capital	0		(1,569)			1,569
Common Stock Dividends and Unit Distributions	(77,923)			(75,379)		(2,544)
Unit Distributions							(77,923)	(75,379)	(2,544)
Contributions from Noncontrolling Interest							29				29
Distributions to Noncontrolling Interest							(284)				(284)
Net Income	107,000			103,469		3,531	107,000	103,373	3,531		96
Reallocation - Other Comprehensive Income	0				(3)	3
Other Comprehensive Income	1,544				1,493	51	1,544			1,544
Ending Balance at Sep. 30, 2017	$ 1,394,273	$ 1,199	$ 1,964,965	$ (614,493)	$ (3,153)	$ 45,755
Ending Balance at Sep. 30, 2017							$ 1,404,456	$ 1,326,815	$ 80,104	$ (3,260)	$ 797