Summary of Significant Accounting Policies - Reclassifications (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Real estate investments:
Land	$ 197,892	$ 183,651
Building and improvements	2,339,774	2,044,113
Lease intangibles	409,356	352,884
Real estate investments, gross	2,968,160	2,580,648
Accumulated depreciation and amortization	(441,169)	(349,118)
Real estate investments, net	2,526,991	2,231,530
Accounts and other receivables, net	22,847	13,317
Receivables and other assets, net	109,337	84,970
Other intangibles, net	50,343	44,011
As Previously Reported
Real estate investments:
Land		0
Building and improvements		0
Lease intangibles		0
Real estate investments, gross		0
Accumulated depreciation and amortization		0
Real estate investments, net		1,992,607
Accounts and other receivables, net		13,317
Receivables and other assets, net		71,653
Other intangibles, net		282,934
As Reclassified
Real estate investments:
Land		183,651
Building and improvements		2,044,113
Lease intangibles		352,884
Real estate investments, gross		2,580,648
Accumulated depreciation and amortization		(349,118)
Real estate investments, net		2,231,530
Accounts and other receivables, net		0
Receivables and other assets, net		84,970
Other intangibles, net		$ 44,011

The carrying amount as of the balance sheet date of accounts and other receivables, net of allowance.

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Receivables and Other Assets, Net

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

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Gross carrying amount before accumulated amortization as of the balance sheet date of intangible assets not otherwise specified in the taxonomy having a reasonably expected period of economic benefit.

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The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position.

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

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Amount of real estate investment property 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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