Real Estate (Schedule of Property Disposition not Including Grocery-Anchored Portfolio Sale) (Details) - Riverview Plaza [Member] - Disposal Group, Held-for-sale, Not Discontinued Operations [Member]	9 Months Ended
	Sep. 30, 2022 USD ($) ft²
Real Estate Properties [Line Items]
Location	Philadelphia, PA
GLA | ft²	108,902
Date Sold	May 16, 2022
Sales Price	$ 34,000,000
Impairment	$ (361,000)