Basis Of Presentation (Details)	3 Months Ended				3 Months Ended			3 Months Ended			3 Months Ended
	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	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 New Zealand Corporate Credit Facility, Second Extension [Member]	Mar. 31, 2015 US Union Square Theatre Term Loan [Member] USD ($)	Dec. 31, 2014 US Union Square Theatre Term Loan [Member] USD ($)	Mar. 31, 2015 US Union Square Theatre Term Loan, Second Extension [Member] USD ($)
Basis Of Presentation [Line Items]
Deferred tax asset	$ 4,032,000		$ 6,300,000
Note payable	151,368,000		164,036,000		20,958,000	28,000,000	21,829,000		6,403,000	6,468,000	6,400,000
Maturity date					Apr. 30, 2015	Apr. 30, 2015		Jul. 30, 2015	May 01, 2015		Jun. 01, 2015
Tax settlement debt payments, monthly	290,000
Tax settlement debt payments, yearly	3,500,000
Cash and cash equivalents	39,752,000	33,594,000	50,248,000	37,696,000
Investments in marketable securities	51,000		54,000
Cumulative unrealized gain (loss) on investments	9,000
Unrealized gain (loss) on marketable securities	$ (1,000)	$ 1,000