Stockholders’ Equity of the Company and Partners' Capital of the Operating Partnership - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 14, 2020
Class of Stock [Line Items]
Operating Partnership, aggregate cash payment	$ 114,305
Operating Partnership, shares	2,713,142
Preferred Stock, Shares Authorized	10,000,000
Net proceeds from the issuance of common stock	$ 78,718	$ 0	$ 145,584
Conversion of Limited Partner Units to Common Stock / General Partner Units	$ 0	$ 0	$ 0
Limited Partners' Capital Account, Units Retired			33,333
Common Stock
Class of Stock [Line Items]
Shares of common stock issued	1,842,281		4,800,000
Net proceeds from the issuance of common stock			$ 145,584
Units converted to common stock	172,610	485,516	1,350,721
Conversion of Limited Partner Units to Common Stock / General Partner Units	$ 2,090	$ 7,196	$ 16,605
ATM [Member]
Class of Stock [Line Items]
Net proceeds from the issuance of common stock	$ 78,718
Issuance of Common Stock/Contribution of General Partner Units	1,842,281
Commission To Sales Agent	$ 795
First Industrial, L.P.
Class of Stock [Line Items]
Net proceeds from the issuance of common stock	78,718	0	145,584
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	0	0
ATM [Member]
Class of Stock [Line Items]
Shares of company stock issuable under an at-the-market offering				14,000,000
Aggregate Gross Sale Proceeds				$ 500,000
Noncontrolling Interest [Member]
Class of Stock [Line Items]
Conversion of Limited Partner Units to Common Stock / General Partner Units	$ (2,090)	$ (7,196)	$ (16,605)