Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 property	Mar. 31, 2012 property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds		$ 21,600
Gain on sale of properties		6,301
Number of properties sold	0	2
Income tax expense (benefit)		(62)
Discontinued Operations [Member] | Wholly Owned Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percent interest sold		100.00%
Segment, Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		1,462
Operating expenses		883
Income tax expense (benefit)		(62)	[1]
Operating income from discontinued operations		$ 641

[1] The operating income and gain on sales of properties included in discontinued operations are reported net of income taxes, if the property is sold by Regency Realty Group, Inc., a wholly owned subsidiary of the Operating Partnership, which is a Taxable REIT subsidiary as defined by in Section 856(1) of the Internal Revenue Code.