CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - 9 months ended Sep. 30, 2016 - 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, 2015	$ 1,115,135	$ 1,111	$ 1,756,415	$ (674,759)	$ (9,667)	$ 42,035
Beginning Balance at Dec. 31, 2015							$ 1,125,850	$ 1,054,028	$ 80,769	$ (10,043)	$ 1,096
Increase (Decrease) in Stockholders' Equity / Partners' Capital [Roll Forward]
Issuance of Common Stock / Contribution of General Partner Units, Net of Issuance Costs	124,584	56	124,528				124,584	124,584
Stock Based Compensation Activity	3,828	2	4,043	(217)
Stock Based Compensation Activity							3,828	3,828
Conversion of Limited Partner Units to Common Stock/General Partner Units	0	1	818			(819)	0	819	(819)
Reallocation—Additional Paid in Capital	0		(2,489)			2,489
Common Stock Dividends and Unit Distributions	(68,223)			(65,787)		(2,436)
Unit Distributions							(68,223)	(65,787)	(2,436)
Contributions from Noncontrolling Interest							114				114
Distributions to Noncontrolling Interest						(2,436)	(264)				(264)
Net Income	101,071			97,436		3,635	101,071	97,324	3,635		112
Other Comprehensive Loss	(13,554)				(13,105)	(449)	(13,554)			(13,554)
Ending Balance at Sep. 30, 2016	$ 1,262,841	$ 1,170	$ 1,883,315	$ (643,327)	$ (22,772)	$ 44,455
Ending Balance at Sep. 30, 2016							$ 1,273,406	$ 1,214,796	$ 81,149	$ (23,597)	$ 1,058