Property And Equipment (Narrative) (Details) $ in Thousands, $ in Millions, $ in Millions		3 Months Ended
	Mar. 04, 2021 NZD ($)	Mar. 31, 2021 USD ($) a	Mar. 31, 2020 USD ($)	Mar. 05, 2021 USD ($)	Mar. 04, 2021 USD ($)	Mar. 04, 2021 NZD ($)	Feb. 28, 2021 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2021 AUD ($)	Aug. 28, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation expense for operating property		$ 5,500	$ 5,200
Proceeds from sale of assets		$ 65,569
Shadow View Land And Farming, LLC [Member]
Property, Plant and Equipment [Line Items]
Area of property | a		202
Ownership percentage by parent		50.00%
Village East Cinema, Manhattan [Member]
Property, Plant and Equipment [Line Items]
Sale price										$ 5,900
Lease term										13 years
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Shadow View Land And Farming, LLC [Member]
Property, Plant and Equipment [Line Items]
Percent of sale proceeds		50.00%
Coachella, CA [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Book value		$ 4,351
Sale price		11,000		$ 11,000
Manukau, NZ [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Book value		13,483
Sale price		$ 56,058			$ 56,100	$ 77.2
Proceeds from sale of assets	$ 1.0
Auburn / Redyard, New South Wales [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Book value								$ 28,700	$ 37.7
Royal George Theatre, Chicago [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Book value							$ 1,800