CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 18,420	$ 28,280
Other comprehensive income (loss):
Change in unrealized loss on interest rate swaps, net	(16,996)	(76)
Other comprehensive loss	(16,996)	(76)
Comprehensive income	1,424	28,204
Comprehensive income attributable to noncontrolling interests	(266)	(253)
Comprehensive income attributable to Lexington Realty Trust shareholders	$ 1,158	$ 27,951