Acquired Lease Intangibles - Summary of the Company's Acquired Lease Intangibles (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
In-place Lease Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,434	$ 3,279
Accumulated Amortization	2,096	817
Net Carrying Amount	3,338	2,462
Above-market Lease Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	107	27
Accumulated Amortization	32	7
Net Carrying Amount	75	20
Below-market Lease Liabilities [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,169	1,750
Accumulated Amortization	302	112
Net Carrying Amount	1,867	1,638
Below-market Ground Lease Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,920	1,920
Accumulated Amortization	86	33
Net Carrying Amount	$ 1,834	$ 1,887

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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