Summary Of Significant Accounting Policies (Variable Interest Entities) (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Variable Interest Entity [Line Items]
Maximum exposure to loss in variable interest entity	$ 9,500	$ 39,900
Number of consolidated variable interest entities	21
Net real estate assets of consolidated VIEs	$ 1,800,000	1,400,000
Mortgage Payable From Consolidated Variable Interest Entities	335,301	413,681
Unconsolidated variable interest entities | La Alameda & Assembly Row Hotel
Variable Interest Entity [Line Items]
Maximum exposure to loss in variable interest entity	$ 8,900	9,900
Unconsolidated variable interest entities | Pike&Rose Hotel JV
Variable Interest Entity [Line Items]
Maximum exposure to loss in variable interest entity		$ 8,800