Intangibles - Gross Carrying Amount and Accumulated Amortization of Intangible Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Intangible assets:
Total intangible assets	$ 1,023,344	$ 880,137
Accumulated amortization:
Total accumulated amortization	(354,338)	(214,795)
Intangible assets, net	669,006	665,342
Intangible liabilities:
Below-market lease intangibles	187,081	167,032
Total intangible liabilities	187,081	167,032
Accumulated amortization:
Below-market lease amortization	(47,580)	(30,078)
Total accumulated amortization	(47,580)	(30,078)
Intangible liabilities, net	139,501	136,954
In-place Lease Intangibles [Member]
Intangible assets:
Total intangible assets	947,570	811,254
Accumulated amortization:
Total accumulated amortization	(330,876)	(200,629)
Intangible assets, net	616,694
Above-market Lease Intangibles [Member]
Intangible assets:
Total intangible assets	49,374	42,483
Accumulated amortization:
Total accumulated amortization	(15,715)	(10,977)
Intangible assets, net	33,659
Other Intangible Assets [Member]
Intangible assets:
Total intangible assets	26,400	26,400
Accumulated amortization:
Total accumulated amortization	$ (7,747)	$ (3,189)