Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangibles Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail)

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Real Estate and Intangibles Assets - Carrying Value of Lease Intangibles and Accumulated Amortization for Each Intangible Asset or Liability Class (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, net $ 5,796 $ 2,000
Lease intangibles, at cost    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 6,971 3,273
Accumulated amortization (1,175) (1,273)
Lease intangibles, net 5,796 2,000
Leasehold interest – land    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 3,498 0
In-place leases    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 1,523 1,481
Leasing costs    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 1,511 1,086
Tenant relationships    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 439 706
Below-Market Leases    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets (liability) gross (777) (766)
Finite-lived intangible asset, accumulated (amortization) accretion 87 47
Above-market lease values and lease incentives    
Finite-Lived Intangible Assets [Line Items]    
Lease intangibles, at cost 46 19
Accumulated amortization (21) (14)
Below-market lease values and deferred revenue    
Finite-Lived Intangible Assets [Line Items]    
Below-market lease values, gross (823) (785)
Below-market lease values, accumulated (amortization) accretion $ 108 $ 61