Investment in Real Estate - Summary of Intangible Assets (Liabilities) Subject to Amortization in the Period of Acquisition (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
In-Place Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	$ 1,562
Acquired finite lived intangible asset, weighted average life	77 months
Tenant Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	899
Acquired finite lived intangible asset, weighted average life	137 months
Above Market Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	219
Acquired finite lived intangible asset, weighted average life	83 months
Below Market Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	$ (623)
Acquired finite lived intangible asset, weighted average life	75 months