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)

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Real Estate and Intangible Assets - Weighted Average Amortization Period for Intangible Assets Acquired and Liabilities Assumed (Detail)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]    
All intangible assets and liabilities 2 years 1 month 6 days 6 years
In-place leases    
Acquired Finite-Lived Intangible Assets [Line Items]    
All intangible assets and liabilities 1 year 10 months 24 days 5 years 10 months 24 days
Leasing costs    
Acquired Finite-Lived Intangible Assets [Line Items]    
All intangible assets and liabilities 3 years 6 years 10 months 24 days
Below-market lease values and other deferred revenues    
Acquired Finite-Lived Intangible Assets [Line Items]    
All intangible assets and liabilities 2 years 6 months 1 year 1 month 6 days