Noncontrolling Interests (Components Of Noncontrolling Interests) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Noncontrolling Interest [Line Items]
Noncontrolling interests in consolidated subsidiaries	$ 4,635	$ 4,098
Angelika Film Centers LLC [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests in consolidated subsidiaries		1,737
Australia Country Cinemas [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests in consolidated subsidiaries	548	601
Shadow View Land And Farming LLC [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests in consolidated subsidiaries	1,897	1,912
Sutton Hill Properties [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests in consolidated subsidiaries	$ 2,190	$ (152)