CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 56,234	$ 123,374	$ 117,009
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation		68,596	63,849
Amortization of Debt Issuance Costs	905	1,824	1,809
Other Amortization, Including Equity Based Compensation		22,538	16,593
Equity in Income of Joint Venture	(1,434)	(2,562)	(29,068)
Distributions from the Joint Venture		1,499	5,740
Gain on Sale of Real Estate	(13,053)	(36,987)	(13,053)
Straight-line Rental Income and Expense, Net		(9,222)	(11,018)
Increase in Tenant Accounts Receivable, Prepaid Expenses and Other Assets, Net		(4,064)	(1,537)
Increase in Accounts Payable, Accrued Expenses, Other Liabilities, Rents Received in Advance and Security Deposits		5,238	5,785
Net Cash Provided by Operating Activities		170,234	156,109
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of Real Estate		(15,812)	(89,914)
Additions to Investment in Real Estate and Non-Acquisition Tenant Improvements and Lease Costs		(111,481)	(171,768)
Net Proceeds from Sales of Investments in Real Estate		55,365	16,299
Contributions to and Investments in Joint Venture		(3,277)	(5,972)
Other Investing Activity		3,326	250
Net Cash Used in Investing Activities		(71,879)	(251,105)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing and Equity Issuance Costs		0	(5)
Income Taxes Paid on Vested Equity Compensation		(2,037)	(2,510)
Common Stock Dividends and Unit Distributions Paid		(93,305)	(82,928)
Repayments on Mortgage Loan Payable		(166)	(159)
Proceeds from Unsecured Credit Facility		169,000	196,000
Repayments on Unsecured Credit Facility		(169,000)	(81,000)
Distributions to Noncontrolling Interests		(143)	(11,422)
Net Cash (Used in) Provided by Financing Activities		(95,651)	17,976
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		2,704	(77,020)
Cash, Cash Equivalents and Restricted Cash, Beginning of Year		43,844	145,118
Cash, Cash Equivalents and Restricted Cash, End of Period	68,098	46,548	68,098
SUPPLEMENTAL INFORMATION TO STATEMENTS OF CASH FLOWS:
Interest Expense Capitalized in Connection with Development Activity		4,779	7,825
Cash Paid for Operating Lease Liabilities		1,756	1,645
Supplemental Schedule of Non-Cash Operating Activities:
Operating Lease Liabilities Arising from Obtaining Right-of-Use Assets		200	563
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	44,299	50,658	44,299
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	0	0
Assumption of Liabilities in Connection with the Acquisition of Real Estate		131	351
Accounts Payable Related to Construction in Progress and Additions to Investment in Real Estate		37,861	71,732
Tenant Improvements Funded by Tenant		0	2,528
Write-off of Fully Depreciated Assets		(18,511)	(16,515)
Noncontrolling Interests
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	1,598
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	(151)	(7)	(664)
Common Stock
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units		0	0
Additional Paid-in Capital
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	151	7	664
First Industrial, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	56,234	123,374	117,009
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation		68,596	63,849
Amortization of Debt Issuance Costs	905	1,824	1,809
Other Amortization, Including Equity Based Compensation		22,538	16,593
Equity in Income of Joint Venture	(1,434)	(2,562)	(29,068)
Distributions from the Joint Venture		1,499	5,740
Gain on Sale of Real Estate	(13,053)	(36,987)	(13,053)
Straight-line Rental Income and Expense, Net		(9,222)	(11,018)
Increase in Tenant Accounts Receivable, Prepaid Expenses and Other Assets, Net		(4,040)	(1,534)
Increase in Accounts Payable, Accrued Expenses, Other Liabilities, Rents Received in Advance and Security Deposits		5,238	5,785
Net Cash Provided by Operating Activities		170,258	156,112
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of Real Estate		(15,812)	(89,914)
Additions to Investment in Real Estate and Non-Acquisition Tenant Improvements and Lease Costs		(111,481)	(171,768)
Net Proceeds from Sales of Investments in Real Estate		55,365	16,299
Contributions to and Investments in Joint Venture		(3,277)	(5,972)
Other Investing Activity		3,326	250
Net Cash Used in Investing Activities		(71,879)	(251,105)
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing and Equity Issuance Costs		0	(5)
Income Taxes Paid on Vested Equity Compensation		(2,037)	(2,510)
Common Stock Dividends and Unit Distributions Paid		(93,305)	(82,928)
Contributions from Noncontrolling Interests		14	3
Repayments on Mortgage Loan Payable		(166)	(159)
Proceeds from Unsecured Credit Facility		169,000	196,000
Repayments on Unsecured Credit Facility		(169,000)	(81,000)
Distributions to Noncontrolling Interests		(181)	(11,428)
Net Cash (Used in) Provided by Financing Activities		(95,675)	17,973
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash		2,704	(77,020)
Cash, Cash Equivalents and Restricted Cash, Beginning of Year		43,844	145,118
Cash, Cash Equivalents and Restricted Cash, End of Period	68,098	46,548	68,098
SUPPLEMENTAL INFORMATION TO STATEMENTS OF CASH FLOWS:
Interest Expense Capitalized in Connection with Development Activity		4,779	7,825
Cash Paid for Operating Lease Liabilities		1,756	1,645
Supplemental Schedule of Non-Cash Operating Activities:
Operating Lease Liabilities Arising from Obtaining Right-of-Use Assets		200	563
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	44,299	50,658	44,299
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	0	0	0
Assumption of Liabilities in Connection with the Acquisition of Real Estate		131	351
Accounts Payable Related to Construction in Progress and Additions to Investment in Real Estate		37,861	71,732
Tenant Improvements Funded by Tenant		0	2,528
Write-off of Fully Depreciated Assets		(18,511)	(16,515)
First Industrial, L.P. | Limited Partner Units
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	1,410
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	(151)	(7)	(664)
First Industrial, L.P. | General Partner Units
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	54,613
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock / General Partner Units	$ 151	$ 7	$ 664