CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - 6 months ended Jun. 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	2,522	2	3,244	(724)
Stock Based Compensation Activity							2,522	2,522
Reallocation - Additional Paid-in-Capital	0		(1,522)			1,522
Common Stock Dividends and Unit Distributions	(51,774)			(50,078)		(1,696)
Unit Distributions							(51,774)	(50,078)	(1,696)
Contributions from Noncontrolling Interest							20				20
Distributions to Noncontrolling Interest							(82)				(82)
Net Income	62,344			60,271		2,073	62,344	60,218	2,073		53
Reallocation - Other Comprehensive Income	0				3	(3)
Other Comprehensive Income	899				869	30	899			899
Ending Balance at Jun. 30, 2017	$ 1,373,277	$ 1,199	$ 1,963,129	$ (632,390)	$ (3,777)	$ 45,116
Ending Balance at Jun. 30, 2017							$ 1,383,653	$ 1,307,078	$ 79,533	$ (3,905)	$ 947