Equity of the Company and Partners' Capital of the Operating Partnership - Common Stock and Units Roll-Forward (Details) - shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	132,289,039
Limited Partners' Capital Account, Units Retired	4,429	330
Common Stock/Units, Outstanding, Ending Balance	132,349,119	132,289,039
Common Stock / Operating Partnership Units
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	132,289,039	132,141,503	131,747,725
Issuance of Common Stock/Contribution of General Partner Units			218,230
Issuance of Restricted Stock/Awards	0	0	0
Vesting of Performance Units	56,646	73,840	49,964
Repurchase and Retirement of Restricted Stock/Awards	0	0	(13,437)
Conversion of Limited Partner Units	3,434	73,696	139,021
Limited Partners' Capital Account, Units Retired	0	0
Common Stock/Units, Outstanding, Ending Balance	132,349,119	132,289,039	132,141,503
First Industrial, L.P. | Common Stock / Operating Partnership Units
Class of Stock [Line Items]
Common Stock/Units, Outstanding, Beginning Balance	135,667,204	135,197,269	134,682,928
Issuance of Common Stock/Contribution of General Partner Units			218,230
Issuance of Restricted Stock/Awards	396,400	405,618	280,081
Vesting of Performance Units	56,646	73,840	49,964
Repurchase and Retirement of Restricted Stock/Awards	(125,842)	(9,193)	(33,934)
Conversion of Limited Partner Units	0	0	0
Limited Partners' Capital Account, Units Retired	(4,429)	(330)
Common Stock/Units, Outstanding, Ending Balance	135,989,979	135,667,204	135,197,269