CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Gross revenues:
Rental	$ 88,654	$ 103,220
Tenant reimbursements	7,445	8,057
Total gross revenues	96,099	111,277
Expense applicable to revenues:
Depreciation and amortization	(42,891)	(43,127)
Property operating	(12,116)	(12,078)
General and administrative	(9,457)	(7,775)
Non-operating income	2,621	2,867
Interest and amortization expense	(19,725)	(22,893)
Debt satisfaction charges, net	0	(162)
Impairment charges and loan loss	(7,992)	0
Gains on sales of properties	34,193	17,015
Income before provision for income taxes and equity in earnings of non-consolidated entities.	40,732	45,124
Provision for income taxes	(422)	(413)
Equity in earnings of non-consolidated entities	1,910	5,742
Net income	42,220	50,453
Less net income attributable to noncontrolling interests	(180)	(1,010)
Net income attributable to Lexington Realty Trust shareholders	42,040	49,443
Allocation to participating securities	(71)	(90)
Net income attributable to common shareholders	$ 40,397	$ 47,781
Net income attributable to common shareholders - per common share basic (in dollars per share)	$ 0.17	$ 0.21
Weighted-average common shares outstanding – basic (in shares)	237,179,526	232,642,803
Net income attributable to common shareholders – per common share diluted (in dollars per share)	$ 0.17	$ 0.20
Weighted-average common shares outstanding – diluted (in shares)	241,088,049	238,885,171
Series C [Member]
Expense applicable to revenues:
Dividends attributable to preferred shares – Series C	$ (1,572)	$ (1,572)
LCIF [Member]
Gross revenues:
Rental	17,308	31,595
Tenant reimbursements	1,973	2,505
Total gross revenues	19,281	34,100
Expense applicable to revenues:
Depreciation and amortization	(9,172)	(9,438)
Property operating	(3,557)	(4,202)
General and administrative	(1,439)	(2,073)
Non-operating income	229	0
Interest and amortization expense	(3,407)	(8,316)
Impairment charges and loan loss	(2,497)	0
Gains on sales of properties	0	7,839
Income before provision for income taxes and equity in earnings of non-consolidated entities.	(562)	17,910
Provision for income taxes	(8)	(19)
Equity in earnings of non-consolidated entities	$ 100	$ 136
Net income (loss) per unit (in dollars per unit)	$ (0.01)	$ 0.22
Weighted-average units outstanding (in units)	83,241,396	83,241,396
Net income	$ (470)	$ 18,027