Share-Based Compensation (Narrative) (Details)	9 Months Ended
Sep. 30, 2020 USD ($)
Options Exercisable
Unrecognized compensation cost related to share-based compensation	$ 480,000
Weighted-average service period, years	1 year 144 days
Related to RSUs
Unrecognized compensation cost related to share-based compensation	$ 1,000,000
Weighted-average service period, years	252 days
PSU
Unrecognized compensation cost related to share-based compensation	$ 2,000
Weighted-average service period, years	1 year 72 days

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration