Long-Term Debt And Lease Liabilities (Supplemental Cash Flow Information Related To Leases) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Long-Term Debt And Lease Liabilities [Abstract]
Operating cash flows from operating leases	$ 15	$ 30
Operating cash flows from finance leases	2	3
Finance cash flows from finance leases	$ 19	31
Right of use assets obtained in exchange for lease obligations, Operating leases		$ 98