Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summary of Lease on Property (Detail)

v3.19.2
Real Estate and Intangible Assets - Summary of Lease on Property (Detail)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2019
USD ($)
ft²
Jun. 30, 2018
USD ($)
ft²
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Real Estate Properties [Line Items]        
Aggregate Square Footage | ft² 230,264 34,441    
Aggregate Annualized GAAP Rent $ 3,366 $ 97    
Aggregate Tenant Improvement     $ 727 $ 0
Aggregate Leasing Commissions $ 470 $ 14    
Weighted average        
Real Estate Properties [Line Items]        
Weighted Average Lease Term 8 years 10 months 6 days 3 years 7 months 6 days