CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Income	$ 208,301	$ 125,684	$ 76,705
Mark-to-Market Gain (Loss) on Interest Rate Protection Agreements	5,981	4,849	(9,155)
Reclassification of Fair Value of Interest Rate Protection Agreements (See Note 12)	0	0	12,990
Amortization of Interest Rate Protection Agreements	205	390	524
Foreign Currency Translation Adjustment	0	0	15
Comprehensive Income	214,487	130,923	81,079
Comprehensive Income Attributable to Noncontrolling Interest	(6,642)	(4,638)	(3,069)
Comprehensive Income Attributable to Common Stockholders/Unitholders	207,845	126,285	78,010
First Industrial, L.P.
Net Income	208,301	125,684	76,820
Mark-to-Market Gain (Loss) on Interest Rate Protection Agreements	5,981	4,849	(9,155)
Reclassification of Fair Value of Interest Rate Protection Agreements (See Note 12)	0	0	12,990
Amortization of Interest Rate Protection Agreements	205	390	524
Foreign Currency Translation Adjustment	0	0	(26)
Comprehensive Income	214,487	130,923	81,153
Comprehensive Income Attributable to Noncontrolling Interest	(143)	(137)	(138)
Comprehensive Income Attributable to Common Stockholders/Unitholders	$ 214,344	$ 130,786	$ 81,015