Intangible Assets - Summary of Amortization or Accretion Recorded During the Period Related to Acquired Lease Intangibles (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Acquired Finite Lived Intangible Assets [Line Items]
Amortization of above (below) market lease intangibles, net	$ 81,000
Leases, Acquired-in-Place
Acquired Finite Lived Intangible Assets [Line Items]
Amortization of in-place lease intangibles	2,086,000	[1]	400,000	[1]
Above Market Tenant Leases
Acquired Finite Lived Intangible Assets [Line Items]
Amortization of above (below) market lease intangibles, net	165,000	[2]	51,000	[2]
Below Market Tenant Leases
Acquired Finite Lived Intangible Assets [Line Items]
Amortization of above (below) market lease intangibles, net	(77,000)	[3]	(8,000)	[3]
Above Market Ground Lease
Acquired Finite Lived Intangible Assets [Line Items]
Accretion Of Above Market Ground Lease Intangible	$ (8,000)	[4]

[1] The amortization of in-place lease intangibles is recorded to depreciation and amortization expense in the consolidated and combined statements of operations for the periods presented.

[2] The amortization of above-market tenant leases is recorded as a decrease to rental revenues in the consolidated and combined statements of operations for the periods presented.

[3] The accretion of below-market tenant leases is recorded as an increase to rental revenues in the consolidated and combined statements of operations for the periods presented.

[4] The accretion of the above-market ground lease is recorded as a decrease to property expenses in the consolidated and combined statements of operations for the periods presented.