Non-controlling Interests (Components Of Income/(Loss) Attributable To Non-controlling Interest) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Noncontrolling Interest [Line Items]
Net income (loss) attributable to non-controlling interests in consolidated subsidiaries	$ 12	$ (2)
Australia Country Cinemas, Pty Ltd [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to non-controlling interests in consolidated subsidiaries	44	34
Shadow View Land And Farming, LLC [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to non-controlling interests in consolidated subsidiaries	(16)	(10)
Sutton Hill Properties LLC [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to non-controlling interests in consolidated subsidiaries	$ (16)	$ (26)