CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net income (loss)	$ 184,638	$ (89,778)	$ (37,410)
Other comprehensive income (loss):
Change in unrealized gain on foreign currency translation, net	0	0	(740)
Change in unrealized gain (loss) on interest rate swap, net	(8,162)	2,044	(39)
Other comprehensive income (loss)	(8,162)	2,044	(779)
Comprehensive income (loss)	176,476	(87,734)	(38,189)
Comprehensive (income) loss attributable to noncontrolling interests	(4,322)	10,194	4,450
Comprehensive income (loss) attributable to Lexington Realty Trust shareholders	$ 172,154	$ (77,540)	$ (33,739)