Quarterly report pursuant to Section 13 or 15(d)

Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail)

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Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Debt Instrument [Line Items]    
Aggregate debt repaid $ 38,063 $ 23,534
Weighted average interest rate on debt repaid (as percent) 4.66%  
Fixed rate mortgage loans    
Debt Instrument [Line Items]    
Aggregate debt repaid $ 27,188  
Weighted average interest rate on debt repaid (as percent) 6.05%  
Variable rate mortgage loans    
Debt Instrument [Line Items]    
Aggregate debt repaid $ 8,163  
Variable rate mortgage loans | LIBOR    
Debt Instrument [Line Items]    
Basis spread (as percent) 2.15%  
Variable rate mortgage loans | LIBOR | Weighted average    
Debt Instrument [Line Items]    
Basis spread (as percent) 2.50%