CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Gross revenues:
Rental	$ 366,591		$ 299,956		$ 261,117
Advisory and incentive fees	855		1,806		2,012
Tenant reimbursements	30,994		28,418		29,169
Total gross revenues	398,440		330,180		292,298
Expense applicable to revenues:
Depreciation and amortization	(174,272)		(152,296)		(145,712)
Property operating	(62,195)		(56,043)		(54,395)
General and administrative	(28,973)		(23,933)		(22,190)
Non-operating income	8,515		6,825		12,985
Interest and amortization expense	(91,271)		(93,677)		(101,401)
Debt satisfaction gains (charges), net	(25,397)		(9,480)		45
Change in value of forward equity commitment	0		0		2,030
Gain on acquisition	0		167,864		0
Litigation reserve	0		(2,775)		0
Impairment charges and loan loss	(35,579)		(4,262)		(17,008)
Income (loss) before benefit (provision) for income taxes, equity in earnings (losses) of non-consolidated entities and discontinued operations	(10,732)		162,403		(33,348)
Benefit (provision) for income taxes	(3,259)		(940)		882
Equity in earnings (losses) of non-consolidated entities	(157)		21,531		30,334
Income (loss) from continuing operations	(14,148)		182,994		(2,132)
Discontinued operations:
Income (loss) from discontinued operations	(761)		(5,599)		6,951
Provision for income taxes	(1,735)		(163)		(113)
Debt satisfaction gains (charges), net	8,955		(178)		(606)
Gains on sales of properties	24,472		13,291		6,557
Impairment charges	(12,920)		(5,707)		(100,435)
Total discontinued operations	18,011		1,644		(87,646)
Net income (loss)	3,863		184,638		(89,778)
Less net (income) loss attributable to noncontrolling interests	(2,233)		(4,322)		10,194
Net income (loss) attributable to Lexington Realty Trust shareholders	1,630		180,316		(79,584)
Dividends attributable to preferred shares
Allocation to participating securities	656		1,087		368
Net income (loss) attributable to common shareholders	(14,089)		156,821		(103,721)
Income (loss) per common share – basic:
Income (loss) from continuing operations, basic (usd per share)	$ (0.15)		$ 0.99		$ (0.20)
Income (loss) from discontinued operations, basic (usd per share)	$ 0.08		$ 0.00		$ (0.48)
Net income (loss) attributable to common shareholders, basic (usd per share)	$ (0.07)		$ 0.99		$ (0.68)
Weighted-average common shares outstanding – basic	209,797,238		159,109,424		152,473,336
Income (loss) per common share – diluted:
Income (loss) from continuing operations, diluted (usd per share)	$ (0.15)		$ 0.93		$ (0.20)
Income (loss) from discontinued operations, diluted (usd per share)	$ 0.08		$ 0.00		$ (0.48)
Net income (loss) attributable to common shareholders, diluted (usd per share)	$ (0.07)		$ 0.93		$ (0.68)
Weighted-average common shares outstanding – diluted	209,797,238		179,659,826		152,473,336
Amounts attributable to common shareholders:
Income (loss) from continuing operations	(31,777)		156,709		(30,194)
Income (loss) from discontinued operations	17,688		112		(73,527)
Net income (loss) attributable to common shareholders	(14,089)		156,821		(103,721)
Series B [Member]
Dividends attributable to preferred shares
Dividends attributable to preferred shares	0		(2,298)		(6,149)
Deemed dividend	0	[1]	(2,346)	[1]	(95)	[1]
Series C [Member]
Dividends attributable to preferred shares
Dividends attributable to preferred shares	(6,290)		(6,290)		(6,655)
Redemption discount – Series C	0	[1]	229	[1]	833	[1]
Series D [Member]
Dividends attributable to preferred shares
Dividends attributable to preferred shares	(3,543)		(11,703)		(11,703)
Deemed dividend	$ (5,230)	[1]	$ 0	[1]	$ 0	[1]

[1] Represents the difference between the redemption/repurchase cost and historical GAAP cost. Accordingly, net income (loss) was adjusted for the deemed dividends/deemed negative dividends to arrive at net income (loss) attributable to common shareholders.