Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Additional Information (Detail)

v3.7.0.1
Real Estate and Intangible Assets - Additional Information (Detail)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
property
Mar. 31, 2016
USD ($)
property
Real Estate Properties [Line Items]    
Number of leased properties | property 0 1
Total amortization expense related to lease intangible assets $ 3.5 $ 3.3
Amortization related to below-market lease 0.3 0.2
Above market leases    
Real Estate Properties [Line Items]    
Amortization related to above-market lease 0.1 0.1
Building and Tenant Improvements    
Real Estate Properties [Line Items]    
Real estate depreciation expense $ 6.4 $ 5.9