Stockholders’ Equity of the Company and Partners' Capital of the Operating Partnership - Common Stock and Units Outstanding (Detail) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	110,600,866
Issuance of Restricted Stock Shares/Units	498,792
Common Stock/Units, Outstanding, Ending Balance	111,027,225	110,600,866
Common Stock / Operating Partnership Units
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	110,600,866	109,980,850	98,767,913
Issuance of Common Stock/Units, Including Vesting of Restricted Stock Units	224,990	219,695	10,853,693
Issuance of Restricted Stock Shares/Units	234,360	319,055	284,461
Repurchase and Retirement of Restricted Stock Shares/Units	(101,921)	(141,410)	(30,245)
Conversion of Operating Partnership Units	68,930	222,676	105,028
Common Stock/Units, Outstanding, Ending Balance	111,027,225	110,600,866	109,980,850
First Industrial L.P. | Common Stock / Operating Partnership Units
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	114,975,503	114,578,163	103,470,254
Issuance of Common Stock/Units, Including Vesting of Restricted Stock Units	224,990	219,695	10,853,693
Issuance of Restricted Stock Shares/Units	234,360	319,055	284,461
Repurchase and Retirement of Restricted Stock Shares/Units	(101,921)	(141,410)	(30,245)
Conversion of Operating Partnership Units	0	0	0
Common Stock/Units, Outstanding, Ending Balance	115,332,932	114,975,503	114,578,163