Investment in Real Estate - Summary of Intangible Assets (Liabilities) Subject to Amortization in Period of Acquisition (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
In-Place Leases [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	$ 2,807	$ 1,750
Acquired finite lived intangible asset, weighted average life	52 months	118 months
Tenant Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	1,914	1,012
Acquired finite lived intangible asset, weighted average life	112 months	178 months
Below Market Lease [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible asset, fair value	$ (188)	$ (102)
Acquired finite lived intangible asset, weighted average life	52 months	118 months