Lease Intangible Assets and Liabilities - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, net of accumulated amortization	$ 101,452		$ 123,656
Identified intangible liability, net of accumulated amortization	11,947		12,281
Amortization of below-market leases, net of above-market leases	100	$ 200
Additional property expense	50	50
In-Place Leases, Net [Member]
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets, net of accumulated amortization	97,745		$ 108,662
Amortization expense of intangible assets	$ 10,300	$ 18,000