CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 16,295	$ 2,466
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation	25,829	23,258
Amortization of Deferred Financing Costs	873	746
Other Amortization	8,104	7,741
Provision for Bad Debt	265	498
Equity in Income of Joint Ventures	0	(71)
Gain on Sale of Real Estate	(7,251)	(7,930)
Mark-to-Market Loss on Interest Rate Protection Agreements	0	12,990
Increase in Tenant Accounts Receivable, Prepaid Expenses and Other Assets, Net	(2,453)	(3,425)
Increase in Deferred Rent Receivable	(1,839)	(2,272)
Decrease in Accounts Payable, Accrued Expenses, Other Liabilities, Rents Received in Advance and Security Deposits	(12,460)	(6,476)
Payments of Discounts Associated with Retirement of Debt	(554)	0
Cash Book Overdraft	0	429
Net Cash Provided by Operating Activities	26,809	27,954
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of Real Estate	(47,406)	0
Additions to Investment in Real Estate and Non-Acquisition Tenant Improvements and Lease Costs	(35,905)	(25,556)
Net Proceeds from Sales of Investments in Real Estate	15,393	25,573
Contributions to and Investments in Joint Ventures	0	(9)
Distributions from Joint Ventures	0	126
Repayments of Notes Receivable	0	2,720
Decrease (Increase) in Escrows	19,477	(756)
Net Cash (Used in) Provided by Investing Activities	(48,441)	2,098
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing Costs	(236)	(2,114)
Repurchase and Retirement of Restricted Stock/Units	(5,230)	(2,101)
Common Stock Dividends and Unit Distributions Paid	(14,705)	(11,786)
Repayments on Mortgage Loans Payable	(60,879)	(2,980)
Repayments of Senior Unsecured Notes	(159,125)	0
Proceeds from Unsecured Credit Facility	298,000	32,000
Repayments on Unsecured Credit Facility	(37,000)	(49,000)
Net Cash Provided by (Used in) Financing Activities	20,825	(35,981)
Net Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	(14)
Net Decrease in Cash and Cash Equivalents	(807)	(5,929)
Cash and Cash Equivalents, Beginning of Year	3,987	9,500
Cash and Cash Equivalents, End of Year	3,180	3,557
SUPPLEMENTAL INFORMATION TO STATEMENTS OF CASH FLOWS:
Interest Expense Capitalized in Connection with Development Activity	449	459
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	22,112
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock/General Partner Units	0	0
Assumption of Indebtedness and Other Liabilities in Connection with the Acquisition of Real Estate	5,082	0
Accounts Payable Related to Construction in Progress and Additions to Investment in Real Estate	16,151	8,881
Write-off of Fully Depreciated Assets	(14,457)	(9,849)
Noncontrolling Interest
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	607
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock/General Partner Units	(98)	(95)
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
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	98	95
Common Stock
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	22,112	14,912
First Industrial, L.P.
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	16,295	2,483
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation	25,829	23,258
Amortization of Deferred Financing Costs	873	746
Other Amortization	8,104	7,741
Provision for Bad Debt	265	498
Equity in Income of Joint Ventures	0	(71)
Gain on Sale of Real Estate	(7,251)	(7,930)
Mark-to-Market Loss on Interest Rate Protection Agreements	0	12,990
Increase in Tenant Accounts Receivable, Prepaid Expenses and Other Assets, Net	(2,423)	(3,952)
Increase in Deferred Rent Receivable	(1,839)	(2,272)
Decrease in Accounts Payable, Accrued Expenses, Other Liabilities, Rents Received in Advance and Security Deposits	(12,460)	(6,469)
Payments of Discounts Associated with Retirement of Debt	(554)	0
Cash Book Overdraft	0	429
Net Cash Provided by Operating Activities	26,839	27,451
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of Real Estate	(47,406)	0
Additions to Investment in Real Estate and Non-Acquisition Tenant Improvements and Lease Costs	(35,905)	(25,556)
Net Proceeds from Sales of Investments in Real Estate	15,393	25,573
Contributions to and Investments in Joint Ventures	0	(9)
Distributions from Joint Ventures	0	126
Repayments of Notes Receivable	0	2,720
Decrease (Increase) in Escrows	19,477	(256)
Net Cash (Used in) Provided by Investing Activities	(48,441)	2,598
CASH FLOWS FROM FINANCING ACTIVITIES:
Financing Costs	(236)	(2,114)
Repurchase and Retirement of Restricted Stock/Units	(5,230)	(2,101)
Common Stock Dividends and Unit Distributions Paid	(14,705)	(11,786)
Contributions from Noncontrolling Interests	3	2
Distributions to Noncontrolling Interests	(33)	0
Repayments on Mortgage Loans Payable	(60,879)	(2,980)
Repayments of Senior Unsecured Notes	(159,125)	0
Proceeds from Unsecured Credit Facility	298,000	32,000
Repayments on Unsecured Credit Facility	(37,000)	(49,000)
Net Cash Provided by (Used in) Financing Activities	20,795	(35,979)
Net Effect of Exchange Rate Changes on Cash and Cash Equivalents	0	(14)
Net Decrease in Cash and Cash Equivalents	(807)	(5,930)
Cash and Cash Equivalents, Beginning of Year	3,987	9,485
Cash and Cash Equivalents, End of Year	3,180	3,541
SUPPLEMENTAL INFORMATION TO STATEMENTS OF CASH FLOWS:
Interest Expense Capitalized in Connection with Development Activity	449	459
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	22,112
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock/General Partner Units	0	0
Assumption of Indebtedness and Other Liabilities in Connection with the Acquisition of Real Estate	5,082	0
Accounts Payable Related to Construction in Progress and Additions to Investment in Real Estate	16,151	8,881
Write-off of Fully Depreciated Assets	(14,457)	(9,849)
First Industrial, L.P. | Noncontrolling Interest
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	14
First Industrial, L.P. | Limited Partner Units
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	607
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock/General Partner Units	(98)	(95)
First Industrial, L.P. | General Partner Units
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	15,674
Exchange of Limited Partnership Units for Common Stock/General Partnership Units:
Conversion of Limited Partner Units to Common Stock/General Partner Units	98	95
First Industrial, L.P. | Common Stock
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Dividends and Distributions Payable	$ 22,112	$ 14,912