CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 49,345	$ 50,207	$ 100,137	$ 84,578
Other comprehensive income (loss):
Change in unrealized gain (loss) on interest rate swaps, net	(956)	1,466	(5,581)	(2,630)
Other comprehensive income (loss)	(956)	1,466	(5,581)	(2,630)
Comprehensive income	48,389	51,673	94,556	81,948
Comprehensive income attributable to noncontrolling interests	(869)	(875)	(1,892)	(1,741)
Comprehensive income attributable to Lexington Realty Trust shareholders	$ 47,520	$ 50,798	$ 92,664	$ 80,207