Non-controlling Interests (Components Of Noncontrolling Interests) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	$ 4,418	$ 4,331
Australia Country Cinemas, Pty Ltd [Member]
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	264	318
Shadow View Land And Farming, LLC [Member]
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	1,980	1,940
Sutton Hill Capital, LLC [Member]
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	$ 2,174	$ 2,073