Identified Intangible Assets And Liabilities (Identified Intangible Assets and Liabilities and the Remaining Weighted-Average Amortization Period associated with our Asset Acquisitions) (Details) - 2019 Acquisitions [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Finite-Lived Intangible Assets [Line Items]
Below-market leases	$ 13,762
Leases, Acquired-in-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 30,253
Acquired finite-lived intangible assets, weighted average useful life	11 years
Above Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 1,323
Acquired finite-lived intangible assets, weighted average useful life	7 years 2 months 12 days
Below Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average useful life	13 years 6 months