Investment in Unconsolidated Real Estate - Additional Information (Detail) (USD $)	3 Months Ended			1 Months Ended
	Mar. 31, 2014 Property	Mar. 31, 2013 Predecessor	Mar. 31, 2014 Mission Oaks Boulevard Property	Jul. 24, 2013 Roselle Street	Jul. 23, 2013 Roselle Street	Jul. 24, 2013 Operating Partnership
Equity Method Investments And Joint Ventures [Abstract]
Ownership Interest			15.00%		70.00%
Number of real estate properties	68		3
Carrying value of JV investment gross basis adjustment			$ 2,800,000
Issuance of Operating Partnership Units						2,828
Acquired tenancy-in-common interest not previously owned				30.00%
Management, leasing and development fees payable	94,000	100,000
Management, leasing and development fees	$ 139,000	$ 100,000