Investment in Real Estate - Summary of Intangible Assets (Liabilities) Subject to Amortization in the Period of Acquisition (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
In-Place Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets, fair value	$ 2,914
Acquired finite lived intangible assets, weighted average life	36 months
Below Market Leases
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired finite lived intangible assets, fair value	$ (366)
Acquired finite lived intangible assets, weighted average life	37 months