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Long-Term Debt And Lease Liabilities (Supplemental Cash Flow Information Related To Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Long-Term Debt And Lease Liabilities [Abstract]
Operating cash flows from operating leases	$ 15	$ 15
Operating cash flows from finance leases	2	1
Finance cash flows from finance leases	$ 8	12
Right of use assets obtained in exchange for lease obligations, Operating leases		$ 98

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- Definition

Long-Term Debt and Lease Liabilities [Abstract]

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- Definition

Amount of interest paid on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
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Amount of cash outflow for principal payment on finance lease.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 5
-Subparagraph (c)
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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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