Investment in Real Estate - Summary Regarding Industrial Properties Included in Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Real Estate [Abstract]
Total Revenues		$ 2,396		$ 4,756
Property Expenses		(754)		(1,792)
Depreciation and Amortization		(910)		(1,826)
Gain on Sale of Real Estate	$ 0	320	$ 0	1,055
Income from Discontinued Operations	$ 0	$ 1,052	$ 0	$ 2,193

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Section 45

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Amount of depreciation and amortization attributable to disposal group.

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-04.12)

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-Publisher FASB

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-Publisher FASB

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-Publisher SEC

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-Number 210

-Section 04

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No definition available.

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