Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 segment	Dec. 31, 2012 properties	Dec. 31, 2011 properties
Proceeds from promissory note receivable paydown									$ 1,027,000	$ 0	$ 0
Impairment charges									0	3,074,000	2,531,000
Number of Reportable Operating Segments									4
Principles of Consolidation [Abstract]
Net income (loss) attributable to noncontrolling interest									0	108,000	38,000
Noncontrolling interests	377,000				377,000				377,000	377,000
Accounting for Acquisitions [Abstract]
Transaction costs									1,955,000	404,000	1,727,000
Transaction costs, continued and discontinued operations										400,000	1,700,000
Transaction costs, discontinued operations									0	0	3,000
Goodwill	693,000				693,000				693,000	693,000
Intangible Assets, Net (Including Goodwill)	6,812,000				3,321,000				6,812,000	3,321,000
Revenue Recognition [Abstract]
Percentage rents									2,600,000	1,800,000	1,100,000
Participating interest income									900,000	0	500,000
Lease termination fees									0	100,000	1,100,000
Lease termination fees within discontinued operations											1,000,000
Allowance for Doubtful Accounts [Abstract]
Allowance for doubtful accounts	2,989,000				3,852,000				2,989,000	3,852,000
Income Tax Disclosure [Abstract]
Percent of taxable income distributed to shareholders annually									90.00%
Tax withholding related to repatriation of foreign earnings	123,000								123,000
Current taxes paid for repatriation of foreign earnings									34,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	89,000								89,000
Deferred tax liabilities, future repatriation of earnings									(89,000)
Current state income tax expense									488,000
Current state income tax expense and other									(522,000)
Deferred income tax benefit-foreign									14,787,000
Income tax benefit									(14,176,000)	0	0
Components of Deferred Tax Assets and Liabilities [Abstract]
Fixed assets	18,219,000				15,454,000				18,219,000	15,454,000
Net operating losses	3,741,000				3,653,000				3,741,000	3,653,000
Other	728,000				139,000				728,000	139,000
Less Valuation allowance	(3,164,000)				(15,065,000)				(3,164,000)	(15,065,000)
Total deferred tax assets	19,524,000				4,181,000				19,524,000	4,181,000
Straight line receivable	(4,158,000)				(3,916,000)				(4,158,000)	(3,916,000)
Other	(578,000)				(265,000)				(578,000)	(265,000)
Total deferred tax liabilities	(4,736,000)				(4,181,000)				(4,736,000)	(4,181,000)
Net deferred tax asset	14,788,000				0				14,788,000	0
Concentration Risks, Types, No Concentration Percentage [Abstract]
Rental revenue									248,709,000	234,517,000	219,733,000
Total assets	3,272,276,000				2,946,730,000				3,272,276,000	2,946,730,000
Total liabilities	1,584,262,000				1,486,832,000				1,584,262,000	1,486,832,000
Total stockholders' equity	1,687,637,000				1,459,521,000				1,687,637,000	1,459,521,000
Net Income (Loss) Attributable to Parent	57,091,000	37,551,000	26,524,000	35,254,000	18,843,000	28,149,000	30,797,000	15,371,000	180,226,000	121,556,000	115,228,000
Total revenue	89,352,000	87,841,000	82,973,000	82,898,000	82,451,000	81,542,000	77,511,000	76,303,000	343,064,000	317,807,000	293,636,000
Share-based Compensation [Abstract]
Share based compensation									6,516,000	5,833,000	5,610,000
Share based compensation, future vesting period minimum (in years)									4 years
Number of Winery Properties for Sale										6	8
Impairment charges									0	20,835,000	33,525,000
American Multi-Cinema, Inc. [Member]
Concentration Risks, Types, No Concentration Percentage [Abstract]
Percent of megaplex theatre rental leased by AMC									29.00%
Rental revenue									85,100,000	95,100,000	105,300,000
Percentage of lease revenue in total revenue									25.00%	30.00%	36.00%
Four Entertainment Retail Centers Member
Concentration Risks, Types, No Concentration Percentage [Abstract]
Percentage of lease revenue in total revenue									12.00%	13.00%	14.00%
Total revenue									42,300,000	42,800,000	42,300,000
Net assets of wholly owned subsidiary	227,200,000				147,300,000				227,200,000	147,300,000
Wholly owned subsidiary percentage in net assets									13.00%	10.00%
Toronto Dundas Square [Member]
Concentration Risks, Types, No Concentration Percentage [Abstract]
Area of land acquired (in square feet)											330,000
Area of signage business acquired (in square feet)											25,000
VinREIT [Member]
Principles of Consolidation [Abstract]
Net income (loss) attributable to noncontrolling interest									0	108,000	38,000
VinREIT LLC [Member]
Principles of Consolidation [Abstract]
Net income (loss) attributable to noncontrolling interest									6,200,000	21,200,000	39,900,000
Noncontrolling interests	377,000				377,000				377,000	377,000
Concentration Risks, Types, No Concentration Percentage [Abstract]
Wholly owned subsidiary percentage in net assets									96.00%
Canadian Operations and Taxable REIT Subsidiaries [Member]
Income Tax Disclosure [Abstract]
Deferred tax assets	22,700,000				19,300,000				22,700,000	19,300,000
Components of Deferred Tax Assets and Liabilities [Abstract]
Total deferred tax liabilities	(4,700,000)				(4,200,000)				(4,700,000)	(4,200,000)
Leases, Acquired-in-Place [Member]
Accounting for Acquisitions [Abstract]
Intangible assets, net	5,065,000				2,628,000				5,065,000	2,628,000
Intangible assets, accumulated amortization	11,600,000				11,000,000				11,600,000	11,000,000
Amortization expense									1,200,000	0	1,300,000
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2014	1,232,000								1,232,000
2015	1,120,000								1,120,000
2016	774,000								774,000
2017	630,000								630,000
2018	615,000								615,000
Thereafter	694,000								694,000
Total	5,065,000				2,628,000				5,065,000	2,628,000
Share-based Compensation [Abstract]
weighted average life remaining of in place leases									5 years 5 months
Leases, Acquired-in-Place [Member] | Theatre Properties Member
Accounting for Acquisitions [Abstract]
In-place leases relating to properties, number of properties									3
Above Market Leases [Member]
Accounting for Acquisitions [Abstract]
Intangible assets, net	1,054,000				0				1,054,000	0
Intangible assets, accumulated amortization	0				0				0	0
Amortization expense									0
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2014	192,000								192,000
2015	192,000								192,000
2016	192,000								192,000
2017	192,000								192,000
2018	192,000								192,000
Thereafter	94,000								94,000
Total	1,054,000				0				1,054,000	0
Share-based Compensation [Abstract]
weighted average life remaining of in place leases									5 years 7 months
Above Market Leases [Member] | Theatre Properties Member
Accounting for Acquisitions [Abstract]
In-place leases relating to properties, number of properties									1
ONTARIO | Entertainment Retail Center Properties [Member]
Concentration Risks, Types, No Concentration Percentage [Abstract]
Number of Real Estate Properties	4								4
ONTARIO | Leases, Acquired-in-Place [Member] | Four Entertainment Retail Centers Member
Accounting for Acquisitions [Abstract]
In-place leases relating to properties, number of properties									4
CALIFORNIA | Leases, Acquired-in-Place [Member] | Entertainment Retail Center Properties [Member]
Accounting for Acquisitions [Abstract]
In-place leases relating to properties, number of properties									1
Building [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)									40 years
Segment, Discontinued Operations [Member]
Share-based Compensation [Abstract]
Number of Vineyard Properties For Sale											1
Minimum [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)									3 years
Minimum [Member] | Furniture and Fixtures [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)									3 years
Maximum [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)									4 years
Maximum [Member] | Furniture and Fixtures [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)									25 years
Employee Stock Option [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)									4 years
Stock or Unit Option Plan Expense									856,000	937,000	777,000
Employee Stock Option [Member] | Non-Employee Trustees [Member]
Share-based Compensation [Abstract]
Number of years from date of grant that share options may not be exercised									1
Restricted Stock [Member] | Employee [Member]
Share-based Compensation [Abstract]
Share based compensation expense related to employees and trustees									4,800,000	4,400,000	4,200,000
Restricted Stock [Member] | Minimum [Member] | Employee [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)									3 years
Restricted Stock [Member] | Maximum [Member] | Employee [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)									4 years
Restricted Stock Units (RSUs) [Member] | Non-Employee Trustees [Member]
Share-based Compensation [Abstract]
Share based compensation expense related to employees and trustees									828,000	494,000	493,000
Allowance for Loan and Lease Losses [Member]
Valuation Allowances and Reserves, Deductions									123,000	8,073,000	0
Foreign Tax Authority [Member]
Income Tax Disclosure [Abstract]
Income tax benefit				$ (14,800,000)