Accumulated Other Comprehensive Income (Changes in AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 2,530,299	$ 2,248,372
Ending Balance	2,635,105	2,530,299
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	34,186	(4,331)
Other Comprehensive Income (Loss), Before Reclassifications	9,829	39,021
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(21,173)	(504)
Net Current Period Other Comprehensive Income (Loss)	(11,344)	38,517
Ending Balance	22,842	34,186
Comprehensive Income (Loss) Attributable to Noncontrolling Interest of the Company
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(774)	93
Other Comprehensive Income (Loss), Before Reclassifications	204	(867)
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	0	0
Net Current Period Other Comprehensive Income (Loss)	204	(867)
Ending Balance	(570)	(774)
Accumulated Other Comprehensive Income (Loss) of the Company
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	33,412	(4,238)
Other Comprehensive Income (Loss), Before Reclassifications	10,033	38,154
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(21,173)	(504)
Net Current Period Other Comprehensive Income (Loss)	(11,140)	37,650
Ending Balance	22,272	33,412
First Industrial, L.P. | Accumulated Other Comprehensive Income/Loss of the Operating Partnership
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	34,186	(4,331)
Other Comprehensive Income (Loss), Before Reclassifications	9,829	39,021
Amounts Reclassified from Accumulated Other Comprehensive (Income) Loss	(21,173)	(504)
Net Current Period Other Comprehensive Income (Loss)	(11,344)	38,517
Ending Balance	$ 22,842	$ 34,186