Goodwill And Intangible Assets (Summary Of Goodwill) (Details) $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($)
Goodwill [Line Items]
Beginning balance	$ 26,448
Change in goodwill due to a purchase of business combination	120
Foreign currency translation adjustment	(560)
Ending balance	26,008
Cinema [Member]
Goodwill [Line Items]
Beginning balance	21,224
Change in goodwill due to a purchase of business combination	120
Foreign currency translation adjustment	(560)
Ending balance	20,784
Real Estate [Member]
Goodwill [Line Items]
Beginning balance	5,224
Ending balance	$ 5,224

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Section 45
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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-Section 50
-Paragraph 1
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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