CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	(Distributions in Excess of Accumulated Earnings) Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests	First Industrial, L.P.	First Industrial, L.P. General Partner Units	First Industrial, L.P. Limited Partner Units	First Industrial, L.P. Accumulated Other Comprehensive (Loss) Income	First Industrial, L.P. Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 1,947,320	$ 1,290	$ 2,224,691	$ (306,294)	$ (16,953)	$ 44,586
Beginning Balance at Dec. 31, 2020							$ 1,956,690	$ 1,898,635	$ 70,435	$ (17,308)	$ 4,928
Increase (Decrease) in Stockholders' Equity / Partners' Capital
Net Income	277,171			270,997		6,174	277,171	270,855	6,183		133
Other Comprehensive Income (Loss)	12,977				12,687	290	12,977			12,977
Issuance of Common Stock / Contribution of General Partner Units, Net of Issuance Costs	145,468	25	145,443				145,468	145,468
Stock Based Compensation Activity	9,051	1	1,825	(2,294)		9,519
Stock Based Compensation Activity							9,051	(468)	9,519
Common Stock Dividends and Unit Distributions	(143,643)			(140,702)		(2,941)
Unit Distributions							(143,643)	(140,702)	(2,941)
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	1	1,760			(1,761)	0	1,761	(1,761)
Reallocation—Additional Paid-in Capital	0		2,307			(2,307)
Contributions from Noncontrolling Interests	28					28	64				64
Distributions to Noncontrolling Interests							(171)				(171)
Reallocation—Other Comprehensive Income	0				28	(28)
Ending Balance at Dec. 31, 2021	2,248,372	1,317	2,376,026	(178,293)	(4,238)	53,560
Ending Balance at Dec. 31, 2021							2,257,607	2,175,549	81,435	(4,331)	4,954
Increase (Decrease) in Stockholders' Equity / Partners' Capital
Net Income	381,612			359,134		22,478	381,612	359,045	8,474		14,093
Other Comprehensive Income (Loss)	38,517				37,629	888	38,517			38,517
Issuance of Common Stock / Contribution of General Partner Units, Net of Issuance Costs	12,746	2	12,744				12,746	12,746
Stock Based Compensation Activity	13,343	1	3,526	(1,483)		11,299
Stock Based Compensation Activity							13,343	2,044	11,299
Common Stock Dividends and Unit Distributions	(159,976)			(156,227)		(3,749)
Unit Distributions							(159,976)	(156,227)	(3,749)
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	1	2,443			(2,444)	0	2,444	(2,444)
Reallocation—Additional Paid-in Capital	0		6,595			(6,595)
Contributions from Noncontrolling Interests	103					103	242				242
Distributions to Noncontrolling Interests	(4,418)					(4,418)	(4,511)				(4,511)
Reallocation—Other Comprehensive Income	0				21	(21)
Ending Balance at Dec. 31, 2022	2,530,299	1,321	2,401,334	23,131	33,412	71,101
Ending Balance at Dec. 31, 2022							2,539,580	2,395,601	95,015	34,186	14,778
Increase (Decrease) in Stockholders' Equity / Partners' Capital
Net Income	285,837			274,816		11,021	285,837	274,628	7,073		4,136
Other Comprehensive Income (Loss)	(11,344)				(11,059)	(285)	(11,344)			(11,344)
Stock Based Compensation Activity	15,109	2	3,827	(712)		11,992
Stock Based Compensation Activity							15,109	3,117	11,992
Common Stock Dividends and Unit Distributions	(173,255)			(169,528)		(3,727)
Unit Distributions							(173,255)	(169,528)	(3,727)
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	0	1,332			(1,332)	0	1,332	(1,332)
Retirement of Limited Partner Units	(18)					(18)	(18)		(18)
Reallocation—Additional Paid-in Capital	0		5,180			(5,180)
Contributions from Noncontrolling Interests							30				30
Distributions to Noncontrolling Interests	(11,523)					(11,523)	(11,551)				(11,551)
Reallocation—Other Comprehensive Income	0				(81)	81
Ending Balance at Dec. 31, 2023	$ 2,635,105	$ 1,323	$ 2,411,673	$ 127,707	$ 22,272	$ 72,130
Ending Balance at Dec. 31, 2023							$ 2,644,388	$ 2,505,150	$ 109,003	$ 22,842	$ 7,393