Investment In Partnerships (Investments in Partnerships) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Total	$ 695	$ 1,160
Signison [Member]
Schedule of Equity Method Investments [Line Items]
Total	459	852
Other Investment [Member]
Schedule of Equity Method Investments [Line Items]
Total	$ 236	$ 308