Annual report pursuant to Section 13 and 15(d)

Real Estate and Intangible Assets - Weighted Average Amortization Period for Intangible Assets Acquired and Liabilities Assumed (Detail)

v3.6.0.2
Real Estate and Intangible Assets - Weighted Average Amortization Period for Intangible Assets Acquired and Liabilities Assumed (Detail)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 12 years 6 months 14 years 3 months 18 days
In-Place Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 11 years 6 months 13 years
Leasing Costs [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 11 years 6 months 13 years
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 15 years 9 months 18 days 17 years 6 months
Above Market Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 5 years 2 months 12 days 18 years 7 months 6 days
Below Market Leases [Member]    
Finite-Lived Intangible Assets [Line Items]    
Weighted average amortization period 7 years 10 months 24 days 13 years 6 months