Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Operating results for the asset held for sale
Rental revenue	$ 36,668	$ 31,099
Related party revenue:
Rental operating expenses	(9,077)	(8,732)
Real estate taxes and insurance	(5,813)	(4,759)
Selling, general and administrative	(2,077)	(1,644)
Depreciation and amortization	(13,256)	(10,745)
Interest income	8	11
Net income from discontinued operations		620
Discontinued operations
Operating results for the asset held for sale
Rental revenue		530
Related party revenue:
Syndication fees		517
Transaction fees		691
Rental operating expenses		(1)
Real estate taxes and insurance		(33)
Selling, general and administrative		(724)
Commissions		(287)
Depreciation and amortization		(74)
Interest income		1
Net income from discontinued operations		$ 620

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Syndication fees from the sale of securities in Sponsored REITs are generally recognized upon an investor closing.

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Transaction fees relating to loan commitment fees and acquisition fees are recognized upon an investor closing and the subsequent payment of the Sponsored REIT's loan. Development fees are recognized upon an investor closing and once the service has been provided. Fees related to organizational, offering and other expenditures are recognized upon the final investor closing of the Sponsored REIT.

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This element represents the total of the costs related to real estate revenues, including management, leasing, and development services.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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Income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money.

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The aggregate revenue from real estate operations during the reporting period.

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The aggregate total of real estate taxes and insurance expense.

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Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller).

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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