Accounting Policies And Recent Accounting Pronouncements (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Significant Accounting Policies [Line Items]
Operating Lease, Liability	$ 7,746
Accounting Standards Update 2016-02 [Member] | Reclassification [Member]
Significant Accounting Policies [Line Items]
Operating Lease, Right-of-Use Asset		$ 3,700
Operating Lease, Liability		$ 4,100