Stockholders' Equity of the Company and Partners' Capital of the Operating Partnership - Summary of Changes in Noncontrolling Interest (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Noncontrolling Interest [Line Items]
Beginning Balance			$ 42,035
Net Income	$ 1,879	$ 556	2,486	$ 649
Other Comprehensive (Loss) Income (Including a Reallocation of $36 and $2)			(17,418)
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value			0	0
Reallocation - Additional Paid-in-Capital			0
Ending Balance	44,618		44,618
Noncontrolling Interest
Noncontrolling Interest [Line Items]
Beginning Balance			42,035	41,877
Net Income			2,486	649
Distributions			(1,632)	(1,113)
Other Comprehensive (Loss) Income (Including a Reallocation of $36 and $2)			(598)	248
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value			(107)	(100)
Reallocation - Additional Paid-in-Capital			2,434	13
Ending Balance	44,618	41,574	44,618	41,574
Reallocation - Other Comprehensive Income (Loss)			36	2
First Industrial, L.P.
Noncontrolling Interest [Line Items]
Beginning Balance			1,096
Net Income	60	22	74	48
Contributions			15
Distributions			(174)
Other Comprehensive (Loss) Income (Including a Reallocation of $36 and $2)			(17,418)
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value			0	0
Ending Balance	1,011		1,011
First Industrial, L.P. | Noncontrolling Interest
Noncontrolling Interest [Line Items]
Beginning Balance			1,096	1,080
Net Income			74	48
Contributions			15	10
Distributions			(174)	(36)
Ending Balance	$ 1,011	$ 1,102	$ 1,011	$ 1,102