Intangibles - Estimated Future Amortization (Detail) $ in Thousands	Jun. 30, 2017 USD ($)
Schedule Of Finite Lived Intangible Assets And Liabilities [Line Items]
Intangible assets, net	$ 77,596
Below-market Lease Intangibles, 2017	(1,120)
Below-market Lease Intangibles, 2018	(2,198)
Below-market Lease Intangibles, 2019	(1,930)
Below-market Lease Intangibles, 2020	(1,751)
Below-market Lease Intangibles, 2021	(1,514)
Below-market Lease Intangibles, Thereafter	(2,533)
Below-market Lease Intangibles, Total	(11,046)
In-place Lease Intangibles [Member]
Schedule Of Finite Lived Intangible Assets And Liabilities [Line Items]
2017 (remaining)	28,356
2018	7,933
2019	5,283
2020	4,431
2021	3,484
Thereafter	4,542
Intangible assets, net	54,029
Below-market Ground Lease Intangibles [Member]
Schedule Of Finite Lived Intangible Assets And Liabilities [Line Items]
2017 (remaining)	45
2018	89
2019	89
2020	89
2021	89
Thereafter	4,242
Intangible assets, net	4,643
Above-market Lease Intangibles [Member]
Schedule Of Finite Lived Intangible Assets And Liabilities [Line Items]
2017 (remaining)	339
2018	647
2019	433
2020	410
2021	378
Thereafter	640
Intangible assets, net	2,847
Prepaid Ground Lease Intangibles [Member]
Schedule Of Finite Lived Intangible Assets And Liabilities [Line Items]
2017 (remaining)	112
2018	224
2019	224
2020	224
2021	224
Thereafter	15,069
Intangible assets, net	$ 16,077