Other Receivables, Other Assets, Accounts Payable And Other Liabilities (Schedule Of Other Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Receivables, Other Assets, Accounts Payable And Other Liabilities [Abstract]
Deferred costs	$ 241	$ 301
Prepaid expenses	1,075	796
Deposits	403	656
Miscellaneous other assets	275	275
RTLs		5,323
Furniture, equipment and leasehold improvements, net	899	916
Intangible assets	166	166
Other assets	$ 3,059	$ 8,433