Investment in Partially Owned Entities (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended					6 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended			1 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 Brixmor/IA JV, LLC [Member]	Dec. 31, 2011 Brixmor/IA JV, LLC [Member]	Jun. 30, 2012 Consolidated Entities [Member] Shopping_Center	Aug. 31, 2007 Unconsolidated Entities [Member]	Mar. 31, 2012 Unconsolidated Entities [Member]	Jun. 30, 2012 Unconsolidated Entities [Member]	Jun. 30, 2011 Unconsolidated Entities [Member]	Dec. 31, 2011 Unconsolidated Entities [Member]	Sep. 17, 2012 Unconsolidated Entities [Member]	Feb. 21, 2012 Unconsolidated Entities [Member]	Aug. 31, 2007 Unconsolidated Entities [Member] Lexington Master Limited Partnership [Member]	Feb. 21, 2012 Unconsolidated Entities [Member] Lexington Master Limited Partnership [Member]	Jun. 30, 2012 Unconsolidated Entities [Member] Brixmor/IA JV, LLC [Member]
Investment in Partially Owned Entities (Textual) [Abstract]
Percentage owned by subsidiary							67.00%
Number of shopping center							9
Percentage ownership interests treated as in various limited liability companies							100.00%
Financing by outsider owners included in other liabilities of subsidiaries							$ 47,762
Contribution in joint venture by partners								220,500							39,000
Purchase price of venture assets requested to sell by company														548,706
Purchase price of venture assets offered by LMLP																213,014
Investment	299,369	299,369		316,711	96,674	103,567				299,369		316,711
(Gain) Impairment of investment in unconsolidated entities		4,200	0									113,621
Buy partner's interest in net lease strategic asset fund under disposition agreement													219,838
Sell company's interest in net lease strategic asset fund under disposition agreement													14,374
Additional impairment charges	0								4,200
Preferred dividend																	11.00%
Total third party debt										1,405,951
Sell company's interest in net lease strategic asset fund under disposition agreement													14,374
Depreciation on net loss										171	104
Accumulated depreciation of investments over book value										1,201		1,372
Investment in Partially Owned Entities (Additional Textual) [Abstract]
(Gain) Impairment of investment in unconsolidated entities		$ 4,200	$ 0									$ 113,621