CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investment in Real Estate:
Land	$ 1,387,198	$ 1,087,907
Buildings and Improvements	3,020,221	2,922,152
Construction in Progress	239,025	77,574
Less: Accumulated Depreciation	(868,296)	(832,393)
Net Investment in Real Estate	3,778,148	3,255,240
Real Estate Held-for-Sale	0	15,663
Operating Lease Right-of-Use Assets	24,927	25,205
Cash and Cash Equivalents	58,591	162,090
Restricted Cash	189	37,568
Tenant Accounts Receivable	5,104	5,714
Investment in Joint Ventures	36,049	45,697
Deferred Rent Receivable	98,727	84,567
Deferred Leasing Intangibles, Net	21,316	25,211
Prepaid Expenses and Other Assets, Net	156,047	134,983
Total Assets	4,179,098	3,791,938
Indebtedness:
Mortgage Loans Payable, Net	79,674	143,879
Senior Unsecured Notes, Net	993,021	992,300
Unsecured Term Loans, Net	458,325	458,462
Unsecured Credit Facility	79,000	0
Accounts Payable, Accrued Expenses and Other Liabilities	153,096	120,292
Operating Lease Liabilities	22,592	22,826
Deferred Leasing Intangibles, Net	9,252	11,064
Rents Received in Advance and Security Deposits	98,588	62,092
Dividends and Distributions Payable	37,178	33,703
Total Liabilities	1,930,726	1,844,618
Commitments and Contingencies	0	0
First Industrial Realty Trust Inc.’s Stockholders’ Equity/First Industrial L.P.'s Partners' Capital:
Common Stock ($0.01 par value, 225,000,000 shares authorized and 131,747,725 and 129,051,412 shares issued and outstanding)	1,317	1,290
Additional Paid-in Capital	2,376,026	2,224,691
Distributions in Excess of Accumulated Earnings	(178,293)	(306,294)
Accumulated Other Comprehensive Loss	(4,238)	(16,953)
Total First Industrial Realty Trust, Inc.'s Equity	2,194,812	1,902,734
Noncontrolling Interests	53,560	44,586
Total Equity	2,248,372	1,947,320
Total Liabilities and Equity/Partners' Capital	4,179,098	3,791,938
First Industrial, L.P.
Investment in Real Estate:
Land	1,387,198	1,087,907
Buildings and Improvements	3,020,221	2,922,152
Construction in Progress	239,025	77,574
Less: Accumulated Depreciation	(868,296)	(832,393)
Net Investment in Real Estate	3,778,148	3,255,240
Real Estate Held-for-Sale	0	15,663
Operating Lease Right-of-Use Assets	24,927	25,205
Cash and Cash Equivalents	58,591	162,090
Restricted Cash	189	37,568
Tenant Accounts Receivable	5,104	5,714
Investment in Joint Ventures	36,049	45,697
Deferred Rent Receivable	98,727	84,567
Deferred Leasing Intangibles, Net	21,316	25,211
Prepaid Expenses and Other Assets, Net	165,282	144,353
Total Assets	4,188,333	3,801,308
Indebtedness:
Mortgage Loans Payable, Net	79,674	143,879
Senior Unsecured Notes, Net	993,021	992,300
Unsecured Term Loans, Net	458,325	458,462
Unsecured Credit Facility	79,000	0
Accounts Payable, Accrued Expenses and Other Liabilities	153,096	120,292
Operating Lease Liabilities	22,592	22,826
Deferred Leasing Intangibles, Net	9,252	11,064
Rents Received in Advance and Security Deposits	98,588	62,092
Dividends and Distributions Payable	37,178	33,703
Total Liabilities	1,930,726	1,844,618
Commitments and Contingencies	0	0
First Industrial Realty Trust Inc.’s Stockholders’ Equity/First Industrial L.P.'s Partners' Capital:
General Partner Units (131,747,725 and 129,051,412 units outstanding)	2,175,549	1,898,635
Limited Partners Units (2,935,203 and 2,713,142 units outstanding)	81,435	70,435
Accumulated Other Comprehensive Loss	(4,331)	(17,308)
Total First Industrial L.P.'s Partners' Capital	2,252,653	1,951,762
Noncontrolling Interests	4,954	4,928
Total Partners' Capital	2,257,607	1,956,690
Total Liabilities and Equity/Partners' Capital	$ 4,188,333	$ 3,801,308