Intangible Assets - Summary of Acquired Lease Intangible Assets and Liabilities (Detail) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Acquired Finite Lived Intangible Assets [Line Items]
Acquired lease intangible assets, net	$ 13,174,000	$ 13,622,000
Acquired lease intangible liabilities, net	(1,553,000)	(1,160,000)
In-place Lease Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Acquired lease intangible assets, gross	17,886,000	16,321,000
Accumulated amortization	(6,200,000)	(4,296,000)
Acquired lease intangible assets, net	11,686,000	12,025,000
Above Market Tenant Leases
Acquired Finite Lived Intangible Assets [Line Items]
Acquired lease intangible assets, gross	1,937,000	1,881,000
Accumulated amortization	(449,000)	(284,000)
Acquired lease intangible assets, net	1,488,000	1,597,000
Below Market Tenant Leases
Acquired Finite Lived Intangible Assets [Line Items]
Acquired lease intangible liabilities, gross	(1,547,000)	(1,081,000)
Accumulated accretion	263,000	198,000
Acquired lease intangible liabilities, net	(1,284,000)	(883,000)
Above Market Ground Lease
Acquired Finite Lived Intangible Assets [Line Items]
Acquired lease intangible liabilities, gross	(290,000)	(290,000)
Accumulated accretion	21,000	13,000
Acquired lease intangible liabilities, net	$ (269,000)	$ (277,000)