Investments in Real Estate (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated unaudited pro forma information
Total revenue, as reported	$ 56,347	$ 58,863	$ 110,592	$ 117,142
Pro forma revenue			112,444	119,568
Net income (loss) allocable to common shares, as reported	(6,951)	(20,098)	(113,970)	(14,331)
Pro forma net income (loss) allocable to common shares			$ (113,277)	$ (13,581)

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

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