REAL ESTATE AND RELATED LEASE INTANGIBLES, NET - Schedule of Income from Disposal Properties (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Real Estate Properties [Line Items]
Operating lease income	$ 20,671	$ 12,810	$ 60,207	$ 38,827
Tenant recoveries	2,847	2,252	7,883	6,473
Depreciation and amortization	(9,561)	(6,829)	(29,238)	(21,274)
2015 Disposal Properties \| Held-for-sale or Disposed of by Sale
Real Estate Properties [Line Items]
Operating lease income	1,663	1,304	5,517	4,687
Tenant recoveries	1,348	1,233	3,806	3,228
Depreciation and amortization	(32)	(1,067)	(1,962)	(3,176)
Income from properties sold	$ 2,979	1,470	$ 7,361	4,739
2014 Disposal Properties \| Held-for-sale or Disposed of by Sale
Real Estate Properties [Line Items]
Operating lease income		469		2,682
Tenant recoveries		0		278
Depreciation and amortization		(14)		(1,223)
Income from properties sold		$ 455		$ 1,737

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 5B

-Subparagraph (a)

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-Publisher FASB

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 25

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

In accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

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