Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Additional Information (Detail)

v3.19.2
Real Estate and Intangible Assets - Additional Information (Detail)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
property
Jun. 30, 2018
USD ($)
property
Jun. 30, 2019
USD ($)
property
Jun. 30, 2018
USD ($)
property
Real Estate Properties [Line Items]        
Number of properties acquired | property 6 1 6 1
Number of leased properties | property     5 1
Total amortization expense related to lease intangible assets $ 4.5 $ 4.3 $ 9.5 $ 8.6
Amortization related to below-market lease 0.6 0.5 1.2 1.0
Above market leases        
Real Estate Properties [Line Items]        
Amortization related to above-market lease 0.2 0.2 0.5 0.5
Building and Tenant Improvements        
Real Estate Properties [Line Items]        
Real estate depreciation expense $ 8.1 $ 7.5 $ 16.1 $ 14.8