Intangible Assets (Intangible Assets And Amortization Expense) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets [Abstract]
Management agreements	$ 61,708	$ 61,708
Accumulated amortization	(277)	(193)
Total intangible assets	$ 61,431	$ 61,515