CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Income	$ 200,169	$ 243,881	$ 167,334
Payments to Settle Derivative Instruments	0	(3,149)	0
Acceleration of Derivative Instruments	201	0	0
Mark-to-Market (Loss) Gain on Derivative Instruments	(10,906)	(7,671)	2,096
Amortization of Derivative Instruments	410	233	96
Comprehensive Income	189,874	233,294	169,526
Comprehensive Income Attributable to Noncontrolling Interests	(3,964)	(4,884)	(4,149)
Comprehensive Income Attributable to Common Stockholders/Unitholders	185,910	228,410	165,377
First Industrial, L.P.
Net Income	200,169	243,881	167,334
Payments to Settle Derivative Instruments	0	(3,149)	0
Acceleration of Derivative Instruments	201	0	0
Mark-to-Market (Loss) Gain on Derivative Instruments	(10,906)	(7,671)	2,096
Amortization of Derivative Instruments	410	233	96
Comprehensive Income	189,874	233,294	169,526
Comprehensive Income Attributable to Noncontrolling Interests	(235)	(253)	(88)
Comprehensive Income Attributable to Common Stockholders/Unitholders	$ 189,639	$ 233,041	$ 169,438