Business Combinations (Schedule Of Purchase Price Allocation) (Details) $ in Thousands, $ in Thousands		2 Months Ended		4 Months Ended
		Mar. 31, 2020 USD ($)		Mar. 31, 2020 USD ($)		Dec. 03, 2019 AUD ($)	Dec. 03, 2019 USD ($)	[3]	Jan. 30, 2019 AUD ($)	Jan. 30, 2019 USD ($)
Devonport, Tasmania, Australia [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fixtures and equipment	[1]	$ 153		$ 153						$ 153
Goodwill	[1]	1,225		1,225						1,248
Total assets acquired	[1]	1,378		1,378						1,401
Net assets acquired		1,378	[1]	1,378	[1]				$ 1,950	$ 1,401	[1]
Goodwill, Measurement Period Adjustments	[2]	(23)
Total intangible assets acquired, Measurement Period Adjustments	[2]	(23)
Total assets acquired, Measurement Period Adjustments	[2]	(23)
State Cinema Hobart, Tasmania, Australia [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fixtures and equipment		362	[1]	362	[1]		$ 481
Deferred tax		5	[1]	5	[1]		5
Inventory		333	[1]	333	[1]		333
Brand name	[1]	250		250
Liquor license	[1]	1		1
Goodwill		5,485	[1]	5,485	[1]		5,617
Total assets acquired		6,436	[1]	6,436	[1]		6,436
Employee liabilities		(20)	[1]	(20)	[1]		(20)
Deferred revenue balances		(236)	[1]	(236)	[1]		(236)
Total liabilities acquired		(256)	[1]	(256)	[1]		(256)
Net assets acquired		$ 6,180	[1]	6,180	[1]	$ 9,000	$ 6,180
Fixtures and equipment, Measurement Period Adjustments	[2]			(119)
Brand name, Measurement Period Adjustments	[2]			250
Liquor license, Measurement Period Adjustments	[2]			1
Goodwill, Measurement Period Adjustments	[2]			$ (132)

[1] The balances were translated into U.S. Dollars based on the applicable exchange rate as of the date of acquisition, January 30, 2019.

[2] The measurement period adjustments relate to finalization of immaterial employee obligations.

[3] The balances were translated into U.S. Dollars based on the applicable exchange rate as of the date of acquisition, December 5, 2019.