Investments In Unconsolidated Joint Ventures And Entities (Narrative) (Details)	3 Months Ended								12 Months Ended			0 Months Ended		12 Months Ended								0 Months Ended			12 Months Ended					3 Months Ended	12 Months Ended				0 Months Ended			12 Months Ended
	Dec. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Sep. 30, 2011 USD ($)	Jun. 30, 2011 USD ($)	Mar. 31, 2011 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Oct. 01, 2005 Rialto Distribution [Member] USD ($)	Oct. 01, 2005 Rialto Distribution [Member] NZD	Dec. 31, 2012 Rialto Distribution [Member] USD ($)	Dec. 31, 2012 Rialto Distribution [Member] NZD	Dec. 31, 2011 Rialto Distribution [Member] USD ($)	Dec. 31, 2011 Rialto Distribution [Member] NZD	Dec. 31, 2010 Rialto Distribution [Member] USD ($)	Dec. 31, 2010 Rialto Distribution [Member] NZD	Dec. 31, 2009 Rialto Distribution [Member] USD ($)	Dec. 31, 2009 Rialto Distribution [Member] NZD	Oct. 01, 2005 Rialto Entertainment [Member] USD ($)	Oct. 01, 2005 Rialto Entertainment [Member] NZD	Oct. 01, 2005 Rialto Entertainment's Interest In Rialto Cinemas [Member]	Dec. 31, 2012 Rialto Cinemas [Member] USD ($) item	Dec. 31, 2011 Rialto Cinemas [Member] USD ($)	Dec. 31, 2011 Rialto Cinemas [Member] NZD	Feb. 22, 2011 Rialto Cinemas [Member] item	Oct. 01, 2005 Rialto Cinemas [Member] USD ($)	Dec. 31, 2010 205-209 East 57th Street Associates, LLC [Member] USD ($)	Dec. 31, 2012 205-209 East 57th Street Associates, LLC [Member] USD ($)	Dec. 31, 2011 205-209 East 57th Street Associates, LLC [Member] USD ($)	Dec. 31, 2012 Mt. Gravatt [Member] USD ($) item	Dec. 31, 2011 Mt. Gravatt [Member] USD ($)	Jun. 14, 2011 Malulani Investments, Limited [Member] USD ($)	Jul. 02, 2009 Malulani Investments, Limited [Member] USD ($)	Jun. 26, 2006 Malulani Investments, Limited [Member] USD ($)	Dec. 31, 2011 Malulani Investments, Limited [Member] USD ($)	Dec. 31, 2010 Malulani Investments, Limited [Member] USD ($)	Dec. 31, 2009 Malulani Investments, Limited [Member] USD ($)	Dec. 31, 2010 Berkeley Cinemas - Botany [Member] USD ($)	Dec. 31, 2010 Berkeley Cinemas - Botany [Member] NZD	Jun. 06, 2008 Berkeley Cinemas - Botany [Member] item
Schedule of Equity Method Investments [Line Items]
Payment for investment in joint venture												$ 694,000	1,000,000									$ 4,800,000	6,900,000														$ 1,800,000
Ownership percentage in equity method investment												33.30%	33.30%	33.30%	33.30%									50.00%	50.00%						25.00%		33.30%
Net income (loss)	(1,277,000)	363,000	239,000	(239,000)	(5,034,000)	38,000	17,432,000	(2,480,000)	(914,000)	9,956,000	(12,650,000)									2,200,000	3,200,000
Net income (loss) attributable to joint venture									(492,000)	940,000	616,000									734,000	1,100,000
Impairment of investment in joint venture																				331,000	434,000					2,900,000	3,800,000
Investment in joint venture	7,715,000				7,839,000				7,715,000	7,839,000										0					1,561,000	1,586,000			50		60,000	33,000	6,094,000	6,220,000
Distributions received from joint venture									382,000		229,000			199,000	245,000	383,000	500,000	286,000	400,000
Beneficial ownership percentage																						100.00%	100.00%
Number of cinemas closed																									3
Number of screens in cinemas closed																									15
Number of properties																									2
Number of screens on property																									13			3					16
Sale price of condominium																														900,000
Real estate revenue									19,727,000	19,130,000	18,249,000																			64,000
Distributions from sale of condominium																														293,000
Gain on sale of condominium																															27,000
Noncontrolling interests																																					18.40%
Cash received from settlement																																				2,500,000
Note receivable																																				6,800,000
Debt instrument term																																				3 years
Interest rate																																				6.25%
Period of tail interest received in settlement agreement																																				10 years
Gain on transfer of ownership interest																																								268,000
Interest received																																						191,000	635,000
Proceeds from note receivable																																			6,800,000
Number of joint venture investments																																											3
Gain on sale of investment interest																																									$ 384,000	554,000