v3.20.2
Acquisitions of Rental Property - Purchase Price Allocation for Real Estate Acquisitions (Parenthetical) - (Detail)
6 Months Ended
Jun. 30, 2019
Acquired In-Place Leases  
Business Acquisition [Line Items]  
Weighted average amortization period 15 years
Acquired Above-Market Leases  
Business Acquisition [Line Items]  
Weighted average amortization period 17 years
Acquired Below-Market Leases  
Business Acquisition [Line Items]  
Weighted average amortization period 12 years