Description Of Business And Segment Reporting (Summary Of Assets) (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Total Assets		$ 439,028	$ 423,403
Cash and cash equivalents		13,127	13,668	$ 19,017	$ 19,702
United States [Member]
Segment Reporting Information [Line Items]
Total Assets		220,777	188,639
Australia [Member]
Segment Reporting Information [Line Items]
Total Assets		156,768	169,412
New Zealand [Member]
Segment Reporting Information [Line Items]
Total Assets		61,483	65,352
Country [Member]
Segment Reporting Information [Line Items]
Total Assets		439,028	423,403
Cinema [Member]
Segment Reporting Information [Line Items]
Total Assets		138,850	135,184
Real Estate [Member]
Segment Reporting Information [Line Items]
Total Assets		263,783	249,622
Corporate [Member]
Segment Reporting Information [Line Items]
Total Assets	[1]	$ 36,395	$ 38,597

[1] Corporate Assets includes cash and cash equivalents of $13.1 million and $13.7 million as of December 31, 2018 and 2017, respectively.