Other Assets, Net - Components of Other Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Intangible assets:
Total intangible assets, net	$ 167,834	$ 182,407
Other assets:
Prepaid expenses	26,340	10,806
Other assets	8,198	3,869
Deposits	4,941	5,076
Deferred charges, net	7,368	7,901
Total other assets, net	214,681	210,059
In-Place Leases, Net [Member]
Intangible assets:
Total intangible assets, net	64,869	71,809
Above-Market Leases, Net [Member]
Intangible assets:
Total intangible assets, net	13,250	14,391
Lease Origination Costs [Member]
Intangible assets:
Total intangible assets, net	9,155	10,029
Tenant Relations, Net [Member]
Intangible assets:
Total intangible assets, net	$ 80,560	$ 86,178