CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Income	$ 76,705	$ 51,005	$ 41,428
Net Income Attributable to Unitholders	73,802	49,110	40,307
Mark-to-Market Loss on Interest Rate Protection Agreements	(9,155)	(12,279)	0
Reclassification of Fair Value of Interest Rate Protection Agreements (See Note 11)	12,990	0	0
Amortization of Interest Rate Protection Agreements	524	1,358	2,411
Write-off of Unamortized Settlement Amounts of Interest Rate Protection Agreements	0	0	1,116
Foreign Currency Translation Adjustment	15	(93)	(60)
Comprehensive Income	81,079	39,991	44,895
Comprehensive Income Attributable to Noncontrolling Interest	(3,069)	(1,467)	(1,265)
Comprehensive Income Attributable to First Industrial Realty Trust, Inc./Unitholders	78,010	38,524	43,630
First Industrial L.P.
Net Income	76,820	51,257	41,474
Net Income Attributable to Unitholders	76,682	51,185	41,433
Mark-to-Market Loss on Interest Rate Protection Agreements	(9,155)	(12,279)	0
Reclassification of Fair Value of Interest Rate Protection Agreements (See Note 11)	12,990	0	0
Amortization of Interest Rate Protection Agreements	524	1,358	2,411
Write-off of Unamortized Settlement Amounts of Interest Rate Protection Agreements	0	0	1,116
Foreign Currency Translation Adjustment	(26)	(93)	(60)
Comprehensive Income Attributable to First Industrial Realty Trust, Inc./Unitholders	$ 81,015	$ 40,171	$ 44,900