Notes Payable (Summary Of Notes Payable) (Details) In Thousands, unless otherwise specified			12 Months Ended		12 Months Ended	0 Months Ended	12 Months Ended		12 Months Ended
Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 Trust Preferred Securities [Member] USD ($)	Dec. 31, 2013 Trust Preferred Securities [Member] USD ($)	Dec. 31, 2014 NAB Australian Corporate Term Loan [Member] USD ($)	Dec. 31, 2013 NAB Australian Corporate Term Loan [Member] USD ($)	Dec. 31, 2014 NAB Australian Corporate Revolver [Member] USD ($)	Dec. 31, 2013 NAB Australian Corporate Revolver [Member]	Dec. 31, 2014 Australian Shopping Center Loans [Member]	Dec. 31, 2013 Australian Shopping Center Loans [Member] USD ($)	Dec. 31, 2014 New Zealand Corporate Credit Facility [Member] USD ($)	Dec. 31, 2014 New Zealand Corporate Credit Facility [Member] NZD	Dec. 31, 2013 New Zealand Corporate Credit Facility [Member] USD ($)	Oct. 31, 2012 US Bank Of America Revolver [Member]	Dec. 31, 2014 US Bank Of America Revolver [Member] USD ($)	Dec. 31, 2013 US Bank Of America Revolver [Member] USD ($)	Dec. 31, 2014 US Bank Of America Line Of Credit [Member]	Dec. 31, 2013 US Bank Of America Line Of Credit [Member]	Dec. 31, 2014 US Cinema 1, 2, 3 Term Loan [Member] USD ($)	Dec. 31, 2013 US Cinema 1, 2, 3 Term Loan [Member] USD ($)	Dec. 31, 2014 Minetta and Orpheum Theatres Loan [Member] USD ($)	Dec. 31, 2013 Minetta and Orpheum Theatres Loan [Member] USD ($)	May 29, 2013 Minetta and Orpheum Theatres Loan [Member] USD ($)	Dec. 31, 2014 US Union Square Term Loan [Member] USD ($)	Dec. 31, 2013 US Union Square Term Loan [Member] USD ($)
Debt Instrument [Line Items]
Interest Rate			4.23%	4.24%	5.04%	5.09%	5.04%	5.09%			5.80%	5.80%	4.80%		2.67%	2.67%	3.17%	3.17%	3.69%	5.21%	2.94%	2.91%		5.92%	5.92%
Maturity Date			Apr. 30, 2027		Jun. 30, 2019		Jun. 30, 2019		Nov. 01, 2014		Mar. 31, 2015	Mar. 31, 2015		Oct. 31, 2017	Dec. 01, 2019		Oct. 31, 2017		Jul. 01, 2016		Jun. 01, 2018			May 01, 2015
Notes Payable	$ 164,036us-gaap_NotesPayable	$ 168,460us-gaap_NotesPayable	$ 27,913	$ 27,914	$ 47,403	$ 56,699	$ 8,173			$ 89	$ 21,829	28,000	$ 23,041		$ 29,750	$ 31,500			$ 15,000	$ 15,000	$ 7,500	$ 7,500	$ 7,500	$ 6,468	$ 6,717

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13, 16

-Article 9

Name:	us-gaap_NotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant