Identified Intangible Liabilities, Net - Summary of Identified Intangibles, Net (Detail) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
---|---|---|
Finite Lived Intangible Liabilities [Line Items] | ||
Identified intangible liabilities, net | $ 1,822 | $ 1,063 |
Below Market Lease [Member] | ||
Finite Lived Intangible Liabilities [Line Items] | ||
Identified intangible liabilities, net | 1,431 | 1,063 |
Above-market leasehold interest [Member] | ||
Finite Lived Intangible Liabilities [Line Items] | ||
Identified intangible liabilities, net | $ 391 | $ 0 |