Lease Intangible Assets and Liabilities - Summary of Lease Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Asset	$ 210,091	$ 252,370
Accumulated Amortization	(165,970)	(184,217)
Balance	44,121	68,153
In-Place Leases, Net [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Asset	203,672	245,745
Accumulated Amortization	(162,407)	(180,639)
Balance	41,265	65,106
Above-Market Leases, Net [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Asset	6,419	6,625
Accumulated Amortization	(3,563)	(3,578)
Balance	$ 2,856	$ 3,047