CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Lease Revenue	$ 602,294	$ 532,237	$ 473,236
Joint Venture Fees	5,159	1,322	321
Other Revenue	6,574	6,370	2,733
Total Revenues	614,027	539,929	476,290
Expenses:
Property Expenses	165,655	143,663	131,300
General and Administrative	37,121	33,972	34,610
Joint Venture Development Services Expense	3,667	909	0
Depreciation and Other Amortization	162,951	147,420	130,953
Total Expenses	369,394	325,964	296,863
Other Income (Expense):
Gain on Sale of Real Estate	95,650	128,268	150,310
Interest Expense	(74,335)	(49,013)	(44,103)
Amortization of Debt Issuance Costs	(3,626)	(3,187)	(3,423)
Total Other Income (Expense)	17,689	76,068	102,784
Income from Operations Before Equity in Income (Loss) of Joint Ventures and Income Tax Provision	262,322	290,033	282,211
Equity in Income (Loss) of Joint Ventures	32,207	114,942	(161)
Income Tax Provision	(8,692)	(23,363)	(4,879)
Net Income	285,837	381,612	277,171
Less: Net Income Attributable to the Noncontrolling Interests	(11,021)	(22,478)	(6,174)
Net Income Available to Common Stockholders / Unitholders and Participating Securities	274,816	359,134	270,997
Net Income Allocable to Participating Securities	(232)	(348)	(299)
Net Income Available to Common Stockholders / Unitholders	$ 274,584	$ 358,786	$ 270,698
Basic Earnings Per Share / Unit:
Net Income Available to Common Stockholders/Unitholders	$ 2.08	$ 2.72	$ 2.09
Diluted Earnings Per Share / Unit:
Net Income Available to Common Stockholders/Unitholders	$ 2.07	$ 2.72	$ 2.09
Weighted Average Shares/Units Outstanding - Basic	132,264	132,024	129,688
Weighted Average Shares / Units Outstanding - Diluted	132,341	132,103	129,775
First Industrial, L.P.
Revenues
Lease Revenue	$ 602,294	$ 532,237	$ 473,236
Joint Venture Fees	5,159	1,322	321
Other Revenue	6,574	6,370	2,733
Total Revenues	614,027	539,929	476,290
Expenses:
Property Expenses	165,655	143,663	131,300
General and Administrative	37,121	33,972	34,610
Joint Venture Development Services Expense	3,667	909	0
Depreciation and Other Amortization	162,951	147,420	130,953
Total Expenses	369,394	325,964	296,863
Other Income (Expense):
Gain on Sale of Real Estate	95,650	128,268	150,310
Interest Expense	(74,335)	(49,013)	(44,103)
Amortization of Debt Issuance Costs	(3,626)	(3,187)	(3,423)
Total Other Income (Expense)	17,689	76,068	102,784
Income from Operations Before Equity in Income (Loss) of Joint Ventures and Income Tax Provision	262,322	290,033	282,211
Equity in Income (Loss) of Joint Ventures	32,207	114,942	(161)
Income Tax Provision	(8,692)	(23,363)	(4,879)
Net Income	285,837	381,612	277,171
Less: Net Income Attributable to the Noncontrolling Interests	(4,136)	(14,093)	(133)
Net Income Available to Common Stockholders / Unitholders and Participating Securities	281,701	367,519	277,038
Net Income Allocable to Participating Securities	(551)	(877)	(770)
Net Income Available to Common Stockholders / Unitholders	$ 281,150	$ 366,642	$ 276,268
Basic Earnings Per Share / Unit:
Net Income Available to Common Stockholders/Unitholders	$ 2.09	$ 2.73	$ 2.10
Diluted Earnings Per Share / Unit:
Net Income Available to Common Stockholders/Unitholders	$ 2.08	$ 2.72	$ 2.09
Weighted Average Shares/Units Outstanding - Basic	134,777	134,229	131,740
Weighted Average Shares / Units Outstanding - Diluted	135,249	134,681	132,237