Investment In Partnerships (Investments in Partnerships) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Total	$ 623	$ 1,160
Signison [Member]
Schedule of Equity Method Investments [Line Items]
Total	429	852
Other Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total	$ 194	$ 308