3. Rental Properties [Abstract]

No definition available.

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- Definition

Participating interest income.

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No definition available.

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- Definition

Represents the dollar amount of total net assets of the company's wholly owned subsidiaries.

+ References

No definition available.

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Represents the percentage of total net assets of the company's wholly owned.

+ References

No definition available.

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- Definition

Number of Reportable Operating Segments

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No definition available.

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- Definition

Percentage of Lease Revenue in Total Revenue

+ References

No definition available.

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- Definition

Range of settlement date for shares for non-employee trustee from grant date, minimum

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Subparagraph (SAB TOPIC 14.F)

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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-Subparagraph d

-Article 9

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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No definition available.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from contingent liabilities.

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- Definition

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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-Topic 420

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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- Definition

The number of real estate properties owned as of the balance sheet date.

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No definition available.

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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- Definition

This element represents the rental revenue earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Such rental revenue is generally stipulated in the lease agreement, usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof. Percentage rent is often required under leases with retail outlets located on premises owned by hoteliers, cruise lines, others in the hospitality industry, and shopping mall operators, among others.

+ References

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

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-Topic 230

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- References

No definition available.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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-Name Regulation S-X (SX)

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-Section 03

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No definition available.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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-Subparagraph (SAB TOPIC 5.P.4(b))

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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- References

No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

+ References

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- Details

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Period Type:

- Details

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Summary of Significant Accounting Policies (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) properties	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) segment properties	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 USD ($)
Allowance for Loan and Lease Losses, Write-offs			$ 3,800
Loss Contingency, Estimate of Possible Loss	$ 7,900		$ 7,900			$ 7,900
Operating Segments
Number of Reportable Operating Segments \| segment			4
Revenue Recognition [Abstract]
Percentage rents			$ 1,800	$ 1,700
Mortgage And Other Participating Interest Income			1,500	1,400
Gain (Loss) on Contract Termination			127	100
Concentrations of Risk [Abstract]
Rental revenue	85,706	$ 74,410	240,306	210,759
Total revenue	108,335	98,738	309,029	280,381
Share-based Compensation [Abstract]
Share based compensation			$ 6,218	6,984
Share based compensation, future vesting period minimum (in years)			4 years
Range of settlement date for shares for non-employee trustee from grant date, minimum (in years)			1 year
Share based compensation expense related to employees and trustees			$ 2,200
Share-based compensation expense included in retirement severance expense			6,377	0
Retirement severance expense	$ 0	$ 0	$ 18,578	0
American Multi-Cinema, Inc. [Member]
Concentrations of Risk [Abstract]
Percent of megaplex theatre rental leased by AMC			26.00%
Rental revenue			$ 64,300	$ 65,500
Percentage of lease revenue in total revenue			21.00%	23.00%
ONTARIO \| Entertainment Retail Center Properties [Member]
Concentrations of Risk [Abstract]
Number of real estate properties (in properties) \| properties	4		4
ONTARIO \| Four Entertainment Retail Centers [Member]
Concentrations of Risk [Abstract]
Percentage of lease revenue in total revenue			8.00%	11.00%
Total revenue			$ 25,500	$ 30,200
Net assets of wholly owned subsidiaries	$ 175,700		$ 175,700		$ 200,400
Wholly owned subsidiaries percentage in net assets			9.00%		10.00%
Minimum [Member]
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies	6,500		$ 6,500			6,500
Loss Contingency, Accrual, Current	$ 1,400		$ 1,400			$ 1,400
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)			3 years
Maximum [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)			4 years
Building [Member] \| Minimum [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)			30 years
Building [Member] \| Maximum [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)			40 years
Furniture, fixtures & equipment [Member] \| Minimum [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)			3 years
Furniture, fixtures & equipment [Member] \| Maximum [Member]
Rental Properties [Abstract]
Estimated useful live of buildings (in years)			25 years
Share Options [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)			4 years
Stock-option expense			$ 830	1,100
Restricted Stock [Member]
Share-based Compensation [Abstract]
Share based compensation expense related to employees and trustees			$ 4,600	5,100
Restricted Stock [Member] \| Minimum [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)			3 years
Restricted Stock [Member] \| Maximum [Member]
Share-based Compensation [Abstract]
Share based compensation, future vesting period minimum (in years)			4 years
Restricted Share Units [Member]
Share-based Compensation [Abstract]
Range of settlement date for shares for non-employee trustee from grant date, minimum (in years)			1 year
Restricted Share Units [Member] \| Non-Employee Trustees [Member]
Share-based Compensation [Abstract]
Share based compensation expense related to employees and trustees			$ 784	$ 797
Chief Executive Officer [Member] \| Accelerated Vesting of Shares [Member] \| Employee Severance [Member] \| Share Options [Member]
Share-based Compensation [Abstract]
Retirement severance expense			1,400
Chief Executive Officer [Member] \| Accelerated Vesting of Shares [Member] \| Employee Severance [Member] \| Nonvested Shares [Member]
Share-based Compensation [Abstract]
Retirement severance expense			$ 5,000