Noncontrolling Interests (Components Of Income Attributable To Noncontrolling Interest) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Noncontrolling Interest [Line Items]
Net income (loss) attributable to noncontrolling interest	$ (4)	$ 130
Angelika Film Centers LLC [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to noncontrolling interest	104	178
Australia Country Cinemas [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to noncontrolling interest		63
Shadow View Land And Farming LLC [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to noncontrolling interest	(9)	(21)
Sutton Hill Properties [Member]
Noncontrolling Interest [Line Items]
Net income (loss) attributable to noncontrolling interest	$ (99)	$ (90)