Description Of Business And Segment Reporting (Summary Of Assets) (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Total Assets		$ 423,026	$ 405,766	[1]
Cash and cash equivalents		13,668	19,017	[1]	$ 19,702	$ 50,248
United States [Member]
Segment Reporting Information [Line Items]
Total Assets		188,639	161,922
Australia [Member]
Segment Reporting Information [Line Items]
Total Assets		169,035	170,556
New Zealand [Member]
Segment Reporting Information [Line Items]
Total Assets		65,352	73,288
Country [Member]
Segment Reporting Information [Line Items]
Total Assets		423,026	405,766
Cinema Exhibition [Member]
Segment Reporting Information [Line Items]
Total Assets		135,184	133,057
Real Estate [Member]
Segment Reporting Information [Line Items]
Total Assets		249,245	240,362
Corporate [Member]
Segment Reporting Information [Line Items]
Total Assets	[2]	$ 38,597	$ 32,347

[1] Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

[2] Corporate Assets includes cash and cash equivalents of $13.7 million and $19.0 million as of December 31, 2017 and 2016, respectively.