Net Investments in Properties and Real Estate Under Construction (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Investments in real estate
Accumulated depreciation	$ (127,978)	$ (85,002)
Net investments in properties	2,446,284	2,275,575
Real estate
Investments in real estate
Land	537,784	491,584
Building	1,756,049	1,614,188
Accumulated depreciation	(114,888)	(77,245)
Net investments in properties	2,178,945	2,028,527
Operating real estate
Investments in real estate
Land	64,237	60,493
Building	216,192	193,067
Furniture, fixtures and equipment	0	1,245
Accumulated depreciation	(13,090)	(7,757)
Net investments in properties	$ 267,339	$ 247,048

Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Publisher SEC

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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