Noncontrolling Interests (Components Of Gain (Loss) Attributable To Noncontrolling Interest) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Noncontrolling Interest [Line Items]
Net (income) loss attributable to noncontrolling interests	$ 62	$ (54)	$ 12	$ (60)
Australia Country Cinemas, Pty Ltd [Member]
Noncontrolling Interest [Line Items]
Net (income) loss attributable to noncontrolling interests	79	1	137	131
Shadow View Land And Farming, LLC [Member]
Noncontrolling Interest [Line Items]
Net (income) loss attributable to noncontrolling interests	(12)	(9)	(29)	(66)
Sutton Hill Capital, LLC [Member]
Noncontrolling Interest [Line Items]
Net (income) loss attributable to noncontrolling interests	$ (5)	$ (46)	$ (96)	$ (125)