Stockholders’ Equity of the Company and Partners' Capital of the Operating Partnership - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Class of Stock [Line Items]
Issuance of common stock	5,600,000
Proceeds from issuance of common stock	$ 124,936	$ 0
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value	0	$ 0
Common stock dividends and Unit distributions	$ 45,130
Common Stock / Operating Partnership Units
Class of Stock [Line Items]
Conversion of Limited Partner Units to Common Stock / General Partner Units, Shares	10,697	10,395
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value	$ 107	$ 100
Common stock dividends and Unit distributions	45,130
First Industrial, L.P.
Class of Stock [Line Items]
Proceeds from issuance of common stock	124,936	0
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value	0	0
Noncontrolling Interest
Class of Stock [Line Items]
Conversion of Limited Partner Units to Common Stock / General Partner Units, Value	(107)	$ (100)
Common stock dividends and Unit distributions	$ 1,632