Notes Payable (Summary Of Notes Payable) (Details) In Thousands, unless otherwise specified			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 Trust Preferred Securities [Member] USD ($)	Dec. 31, 2014 Trust Preferred Securities [Member] USD ($)	Mar. 31, 2015 Australian NAB Corporate Term Loan [Member] USD ($)	Dec. 31, 2014 Australian NAB Corporate Term Loan [Member] USD ($)	Mar. 31, 2015 Australian NAB Corporate Revolver [Member]	Dec. 31, 2014 Australian NAB Corporate Revolver [Member] USD ($)	Mar. 31, 2015 New Zealand Corporate Credit Facility [Member] USD ($)	Mar. 31, 2015 New Zealand Corporate Credit Facility [Member] NZD	Dec. 31, 2014 New Zealand Corporate Credit Facility [Member] USD ($)	Mar. 31, 2015 United States Bank of America Credit Facility [Member] USD ($)	Dec. 31, 2014 United States Bank of America Credit Facility [Member] USD ($)	Mar. 31, 2015 US Bank Of America Line Of Credit [Member]	Dec. 31, 2014 US Bank Of America Line Of Credit [Member]	Mar. 31, 2015 US Cinema 1, 2, 3 Term Loan [Member] USD ($)	Dec. 31, 2014 US Cinema 1, 2, 3 Term Loan [Member] USD ($)	Mar. 31, 2015 Minetta And Orpheum Theaters Loan [Member] USD ($)	Dec. 31, 2014 Minetta And Orpheum Theaters Loan [Member] USD ($)	Mar. 31, 2015 US Union Square Theatre Term Loan [Member] USD ($)	Dec. 31, 2014 US Union Square Theatre Term Loan [Member] USD ($)
Debt Instrument [Line Items]
Interest Rate			4.25%	4.23%	4.61%	5.04%	4.61%	5.04%	5.70%	5.70%	5.80%	2.68%	2.67%	3.18%	3.17%	3.69%	3.69%	2.94%	2.94%	5.92%	5.92%
Maturity Date			Apr. 30, 2027		Jun. 30, 2019		Jun. 30, 2019		Apr. 30, 2015	Apr. 30, 2015		Dec. 01, 2019		Oct. 31, 2017		Jul. 01, 2016		Jun. 01, 2018		May 01, 2015
Notes Payable	$ 151,368	$ 164,036	$ 27,913	$ 27,913	$ 43,844	$ 47,403		$ 8,173	$ 20,958	28,000	$ 21,829	$ 29,750	$ 29,750			$ 15,000	$ 15,000	$ 7,500	$ 7,500	$ 6,403	$ 6,468