Accumulated Other Comprehensive Income (Changes in AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 2,248,372	$ 1,947,320
Ending Balance	2,530,299	2,248,372
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(4,331)	(17,308)
Other Comprehensive Income (Loss), Before Reclassifications	39,021	6,146
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(504)	6,831
Net Current Period Other Comprehensive Income (Loss)	38,517	12,977
Ending Balance	34,186	(4,331)
Comprehensive Income (Loss) Attributable to Noncontrolling Interest of the Company
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	93	355
Other Comprehensive Income (Loss), Before Reclassifications	(867)	(262)
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	0	0
Net Current Period Other Comprehensive Income (Loss)	(867)	(262)
Ending Balance	(774)	93
Accumulated Other Comprehensive Income (Loss) of the Company
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(4,238)	(16,953)
Other Comprehensive Income (Loss), Before Reclassifications	38,154	5,884
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(504)	6,831
Net Current Period Other Comprehensive Income (Loss)	37,650	12,715
Ending Balance	33,412	(4,238)
First Industrial, L.P. | Accumulated Other Comprehensive Income/Loss of the Operating Partnership
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(4,331)	(17,308)
Other Comprehensive Income (Loss), Before Reclassifications	39,021	6,146
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(504)	6,831
Net Current Period Other Comprehensive Income (Loss)	38,517	12,977
Ending Balance	$ 34,186	$ (4,331)