CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - 6 months ended Jun. 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
Stock Based Compensation Activity	2,413	2	2,624	(213)
Stock Based Compensation Activity							2,413	2,413
Conversion of Limited Partner Units to Common Stock/General Partner Units	0	0	107			(107)	0	107	(107)
Reallocation—Additional Paid in Capital	0		(2,434)			2,434
Common Stock Dividends and Unit Distributions	(45,130)			(43,498)		(1,632)
Unit Distributions							(45,130)	(43,498)	(1,632)
Contributions from Noncontrolling Interest							15				15
Distributions to Noncontrolling Interest						(1,632)	(174)				(174)
Net Income	68,403			65,917		2,486	68,403	65,843	2,486		74
Other Comprehensive Loss	(17,418)				(16,820)	(598)	(17,418)			(17,418)
Ending Balance at Jun. 30, 2016	$ 1,247,987	$ 1,169	$ 1,881,240	$ (652,553)	$ (26,487)	$ 44,618
Ending Balance at Jun. 30, 2016							$ 1,258,543	$ 1,203,477	$ 81,516	$ (27,461)	$ 1,011