CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - 3 months ended Mar. 31, 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]
Stock Based Compensation Activity	906	2	1,117	(213)
Stock Based Compensation Activity							906	906
Conversion of Limited Partner Units to Common Stock/General Partner Units	0	0	98			(98)	0	98	(98)
Reallocation—Additional Paid in Capital	0		47			(47)
Common Stock Dividends and Unit Distributions	(22,005)			(21,189)		(816)
Unit Distributions							(22,005)	(21,189)	(816)
Contributions from Noncontrolling Interest							3				3
Distributions to Noncontrolling Interest						(816)	(33)				(33)
Net Income	16,295			15,688		607	16,295	15,674	607		14
Other Comprehensive Loss	(12,394)				(11,935)	(459)	(12,394)			(12,394)
Ending Balance at Mar. 31, 2016	$ 1,097,937	$ 1,113	$ 1,757,677	$ (680,473)	$ (21,602)	$ 41,222
Ending Balance at Mar. 31, 2016							$ 1,108,622	$ 1,049,517	$ 80,462	$ (22,437)	$ 1,080