CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Gross revenues:
Rental	$ 91,815	$ 89,704	$ 283,986	$ 265,923
Tenant reimbursements	8,143	7,985	24,102	23,549
Total gross revenues	99,958	97,689	308,088	289,472
Expense applicable to revenues:
Depreciation and amortization	(37,716)	(43,495)	(129,693)	(128,706)
General and administrative	(7,482)	(7,963)	(23,899)	(25,561)
Litigation reserve	0	(2,050)	0	(2,050)
Non-operating income	766	1,005	1,666	4,997
Interest and amortization expense	(21,159)	(18,887)	(63,224)	(57,828)
Debt satisfaction gains (charges), net	(2,228)	2,424	(2,228)	2,378
Impairment charges and loan loss	(2,542)	(21,986)	(90,860)	(43,577)
Gains on sales of properties	202,371	10,645	239,577	55,078
Income before provision for income taxes and equity in earnings (losses) of non-consolidated entities	221,290	5,688	206,366	57,419
Provision for income taxes	(444)	(375)	(1,326)	(1,174)
Equity in earnings (losses) of non-consolidated entities	4	283	192	(1,064)
Net income	220,850	5,596	205,232	55,181
Less net income attributable to noncontrolling interests	(2,834)	(55)	(3,225)	(448)
Net income attributable to Lexington Realty Trust shareholders	218,016	5,541	202,007	54,733
Allocation to participating securities	(253)	(52)	(279)	(183)
Net income (loss) attributable to common shareholders	$ 216,190	$ 3,916	$ 197,010	$ 49,832
Net income (loss) attributable to common shareholders - per common share basic (in dollars per share)	$ 0.91	$ 0.02	$ 0.83	$ 0.21
Weighted-average common shares outstanding – basic (in shares)	237,354,669	237,989,098	237,577,198	237,632,572
Net income (loss) attributable to common shareholders – per common share diluted (in dollars per share)	$ 0.90	$ 0.02	$ 0.83	$ 0.21
Weighted-average common shares outstanding – diluted (in shares)	246,058,298	241,702,715	241,660,588	241,442,227
Series C [Member]
Expense applicable to revenues:
Dividends attributable to preferred shares – Series C	$ (1,573)	$ (1,573)	$ (4,718)	$ (4,718)
Property Operating [Member]
Expense applicable to revenues:
Property operating	(10,678)	(11,694)	(33,061)	(36,784)
LCIF [Member]
Gross revenues:
Rental	17,886	19,126	57,675	55,125
Tenant reimbursements	1,929	2,116	5,921	6,044
Total gross revenues	19,815	21,242	63,596	61,169
Expense applicable to revenues:
Depreciation and amortization	(8,134)	(10,114)	(26,245)	(28,495)
General and administrative	(1,558)	(1,727)	(5,231)	(5,019)
Non-operating income	168	3	335	235
Interest and amortization expense	(5,112)	(4,099)	(15,505)	(11,438)
Debt satisfaction gains (charges), net	(832)	0	(832)	0
Impairment charges and loan loss	0	(6,802)	(23,938)	(12,061)
Gains on sales of properties	63,097	0	78,459	0
Income before provision for income taxes and equity in earnings (losses) of non-consolidated entities	64,907	(4,497)	62,672	(5,208)
Provision for income taxes	(4)	(4)	(41)	(30)
Equity in earnings (losses) of non-consolidated entities	82	79	406	338
Net income	$ 64,985	$ (4,422)	$ 63,037	$ (4,900)
Net income (loss) per unit (in dollars per unit)	$ 0.81	$ (0.05)	$ 0.78	$ (0.06)
Weighted-average units outstanding (in units)	80,565,611	83,125,058	80,565,611	83,202,190
LCIF [Member] | Property Operating [Member]
Expense applicable to revenues:
Property operating	$ (2,537)	$ (3,000)	$ (7,967)	$ (9,599)