Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Weighted Average Amortization Period for Intangible Assets and Liabilities (Details)

v3.8.0.1
Real Estate and Intangible Assets - Weighted Average Amortization Period for Intangible Assets and Liabilities (Details)
 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 10 years 4 months 24 days 9 years
In-place leases    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 9 years 8 months 12 days 7 years 10 months 24 days
Leasing costs    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 9 years 8 months 12 days 7 years 10 months 24 days
Customer relationships    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 12 years 8 months 12 days 12 years 2 months 12 days
Above market leases    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 10 years 2 months 10 days 0 days
Below market leases    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 9 years 4 months 24 days 7 years 10 months 24 days