CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net Income	$ 96,450	$ 114,891	$ 97,463
Other comprehensive income (loss):
Change in unrealized gain (loss) on interest rate swaps, net	906	(2,343)	(4,035)
Other comprehensive income (loss)	906	(2,343)	(4,035)
Comprehensive income	97,356	112,548	93,428
Comprehensive income attributable to noncontrolling interests	(826)	(3,188)	(4,359)
Comprehensive income attributable to Lexington Realty Trust shareholders	$ 96,530	$ 109,360	$ 89,069