Organization (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) ft² property	Mar. 31, 2019 ft² Properties property
Entity Information [Line Items]
Number of retail properties | property	66	73
Acreage | ft²	10,958,613	12,251,264
Income tax benefit related to the CARES Act | $	$ 1,168
Variable Interest Entity, Primary Beneficiary
Entity Information [Line Items]
Number of retail properties | Properties		1
Corporate Joint Venture
Entity Information [Line Items]
Number of managed assets | property	10	13
Acreage | ft²	2,470,134	2,605,814
Retail
Entity Information [Line Items]
Number of retail properties | property	56	60
Acreage | ft²	8,488,479	9,645,450