v3.19.3.a.u2
Related Party Transactions - Additional Information (Detail)
$ / shares in Units, shares in Thousands
12 Months Ended
Feb. 07, 2020
Merger
Jul. 31, 2018
USD ($)
Jun. 30, 2015
USD ($)
shares
Dec. 31, 2019
USD ($)
Property
$ / shares
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]            
Gross rental percentage       1.00% 1.00%  
Number of leased commercial properties owned | Property       646    
Due to related parties         $ 114,000  
Issuance of shares of common stock       $ 395,091,000 268,496,000 $ 313,490,000
Preferred distribution income         440,000 737,000
Redemptions of common stock value       34,599,000 10,204,000 9,439,000
Manager and Asset Manager            
Related Party Transaction [Line Items]            
Due to related parties       $ 0 114,000  
BRE            
Related Party Transaction [Line Items]            
Issuance of shares of common stock, shares | shares     139      
Issuance of shares of common stock     $ 10,000,000      
Percentage of ownership in related party at the time of transaction     6.40%      
Investment in related party   $ 10,000,000        
Preferred distribution income         $ 440,000 $ 737,000
Redemption of common stock | shares       235    
Redemptions of common stock value       $ 20,000,000    
Redemption price per share | $ / shares       $ 85    
BRE | Non-Voting Convertible Preferred Units            
Related Party Transaction [Line Items]            
Shares received in exchange of share issued | shares     100      
Conversion period of preferred unit, Start date     Jan. 01, 2018      
Conversion period of preferred unit, End date     Dec. 31, 2019      
Preferred units aggregate sales price   $ 18,500,000        
Percentage of annual preferred return of units     7.00%      
Percentage of Increase in annual preferred return of units     0.25%      
Subsequent Event            
Related Party Transaction [Line Items]            
Number of mergers | Merger 3          
Asset Management Agreement            
Related Party Transaction [Line Items]            
Receivable interest rate       0.25%    
Interest rate paid from proceed       0.50%    
Asset Management Agreement | Amendment Details Two            
Related Party Transaction [Line Items]            
Percentage of gross sale price received       1.00%    
Asset Management Agreement | Amendment Details            
Related Party Transaction [Line Items]            
Property management fee payable       $ 0    
Termination fees       $ 0    
Percentage of gross purchase price paid       1.00%    
Asset Management Agreement | Amendment Details One            
Related Party Transaction [Line Items]            
Percentage of gross purchase price paid       2.00%    
Property Management Agreement            
Related Party Transaction [Line Items]            
Received advance operating interest rate           1.00%
Received guarantee agreement interest rate           0.05%
Advances or guarantees fees outstanding or received           $ 0
Property management fee payable       $ 0    
Termination fees       $ 0    
Property Management Agreement | Existing Tenant            
Related Party Transaction [Line Items]            
Existing rental property re-leasing fees term       1 month    
Property Management Agreement | New Tenant            
Related Party Transaction [Line Items]            
Existing rental property re-leasing fees term       2 months    
Property Management Agreement | 3% Gross Rentals Property            
Related Party Transaction [Line Items]            
Gross rental percentage       3.00%    
Property Management Agreement | 5% Gross Rentals Property            
Related Party Transaction [Line Items]            
Gross rental percentage       5.00%    
Number of leased commercial properties owned | Property       1