Organization (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($) ft² property	Sep. 30, 2019 ft² property
Entity Information [Line Items]
Income tax benefit related to the CARES Act | $	$ 1,172
Unconsolidated Retail Properties
Entity Information [Line Items]
Number of retail properties | property	10	11
Gross leasable area | ft²	2,470,193	2,572,892
Wholly-Owned Retail Properties
Entity Information [Line Items]
Number of retail properties | property	55	57
Gross leasable area | ft²	8,329,408	9,259,678