v3.8.0.1

Related Party Transactions - Additional Information (Detail) $ / shares in Units, shares in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2015 USD ($) shares | Jun. 30, 2015 | Dec. 31, 2017 USD ($) Property $ / shares | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |
Due to related parties |  |  | $ 722,000 | $ 364,000 |  |
Issuance of shares of common stock |  |  | 313,490,000 | 275,782,000 | $ 329,795,000 |
Carrying value of investment |  |  | 10,000,000 | 10,000,000 |  |
Preferred distributions related to investment |  |  | 737,000 | 713,000 | 350,000 |
Manager and Asset Manager |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Due to related parties |  |  | 722,000 | 364,000 |  |
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% |  |  |  |  |
Carrying value of investment |  |  |  | 10,000,000 | 10,000,000 |
Preferred distributions related to investment |  |  | $ 737,000 | 713,000 | 350,000 |
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 |  |  |  |  |
Percentage of annual preferred return of units | 7.00% |  |  |  |  |
Percentage of Increase in annual preferred return of units | 0.25% |  |  |  |  |
VNN |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party transaction, expenses from transactions with related party |  |  |  | 3,075,000 | 3,181,000 |
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 | 0 | $ 0
Termination fees |  |  | $ 14,965,000 |  |  |
Property Management Agreement | Amendment Details |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Percentage of gross purchase price paid |  | 1.00% |  |  |  |
Property Management Agreement | Amendment Details One |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Percentage of gross purchase price paid |  | 2.00% |  |  |  |
Property Management Agreement | Amendment Details Two |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Percentage of gross sale price received |  | 1.00% |  |  |  |
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 property | Property |  |  | 1 |  |  |
Asset Management Agreement |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Receivable interest rate |  |  | 1.00% |  |  |
Interest rate paid from proceed |  |  | 0.50% |  |  |
Deferred Compensation Interest Rate |  |  | 7.00% |  |  |
Deferred compensation |  |  |  | 0 | $ 0 | $ 0
Asset Management Agreement | Minimum |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Cumulative distribution per share | $ / shares |  |  | $ 3.50 |  |  |
Asset Management Agreement | Maximum |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Termination fees |  |  | $ 44,263,000 |  |  |
Asset Management Agreement | Amendment Details |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
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% |  |  |  |
Asset Management Agreement | Amendment Details Two |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Percentage of gross sale price received |  | 1.00% |  |  |  |
Accounts Payable and Other Liabilities | VNN |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party transaction, expenses from transactions with related party |  |  |  | $ 350,000 |  |

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