CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Lease Revenue	$ 116,764	$ 108,649	$ 232,431	$ 217,024
Other Revenue	634	553	1,226	2,521
Total Revenues	117,398	109,202	233,657	219,545
Expenses:
Property Expenses	31,748	28,051	64,990	57,132
General and Administrative Expense	8,469	8,234	17,033	17,485
Depreciation and Other Amortization	32,446	32,232	64,421	63,163
Total Expenses	72,663	68,517	146,444	137,780
Other Income (Expense):
Gain on Sale of Real Estate	22,854	9,076	57,499	23,069
Interest Expense	(11,852)	(12,285)	(24,525)	(25,089)
Amortization of Debt Issuance Costs	(935)	(784)	(1,884)	(1,572)
Total Other Income (Expense)	10,067	(3,993)	31,090	(3,592)
Income from Operations Before Equity in Loss of Joint Ventures and Income Tax Provision	54,802	36,692	118,303	78,173
Equity in Loss of Joint Ventures	(66)	(45)	(139)	(74)
Income Tax Provision	(1,575)	(221)	(1,420)	(144)
Net Income	53,161	36,426	116,744	77,955
Less: Net Income Attributable to the Noncontrolling Interests	(1,225)	(757)	(2,610)	(1,652)
Net Income Available to Common Stockholders / Unitholders and Participating Securities	$ 51,936	$ 35,669	$ 114,134	$ 76,303
Basic and Diluted Earnings Per Share / Unit:
Net Income Available to Common Stockholders / Unitholders	$ 0.40	$ 0.28	$ 0.88	$ 0.60
Weighted Average Shares/Units Outstanding - Basic	129,098	127,074	129,093	127,004
Weighted Average Shares/Units Outstanding - Diluted	129,187	127,266	129,179	127,189
First Industrial, L.P.
Revenues:
Lease Revenue	$ 116,764	$ 108,649	$ 232,431	$ 217,024
Other Revenue	634	553	1,226	2,521
Total Revenues	117,398	109,202	233,657	219,545
Expenses:
Property Expenses	31,748	28,051	64,990	57,132
General and Administrative Expense	8,469	8,234	17,033	17,485
Depreciation and Other Amortization	32,446	32,232	64,421	63,163
Total Expenses	72,663	68,517	146,444	137,780
Other Income (Expense):
Gain on Sale of Real Estate	22,854	9,076	57,499	23,069
Interest Expense	(11,852)	(12,285)	(24,525)	(25,089)
Amortization of Debt Issuance Costs	(935)	(784)	(1,884)	(1,572)
Total Other Income (Expense)	10,067	(3,993)	31,090	(3,592)
Income from Operations Before Equity in Loss of Joint Ventures and Income Tax Provision	54,802	36,692	118,303	78,173
Equity in Loss of Joint Ventures	(66)	(45)	(139)	(74)
Income Tax Provision	(1,575)	(221)	(1,420)	(144)
Net Income	53,161	36,426	116,744	77,955
Less: Net Income Attributable to the Noncontrolling Interests	(21)	(94)	(39)	(144)
Net Income Available to Common Stockholders / Unitholders and Participating Securities	$ 53,140	$ 36,332	$ 116,705	$ 77,811
Basic and Diluted Earnings Per Share / Unit:
Earnings Per Share, Basic	$ 0.40	$ 0.28	$ 0.89	$ 0.60
Earnings Per Share, Diluted	$ 0.40	$ 0.28	$ 0.88	$ 0.60
Weighted Average Shares/Units Outstanding - Basic	131,188	129,081	131,180	129,075
Weighted Average Shares/Units Outstanding - Diluted	131,704	129,461	131,669	129,430