Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail)
$ in Thousands
9 Months Ended
Oct. 27, 2017
Sep. 30, 2018
USD ($)
property
Sep. 30, 2017
USD ($)
property
Debt Instrument [Line Items]      
Debt Repaid   $ 24,888 $ 57,182
Number of properties acquired | property   2 5
LIBOR      
Debt Instrument [Line Items]      
Interest Rate on Variable Rate Debt Repaid 2.75%    
Variable rate mortgage loans      
Debt Instrument [Line Items]      
Debt Repaid   $ 6,738  
Variable rate mortgage loans | LIBOR      
Debt Instrument [Line Items]      
Interest Rate on Variable Rate Debt Repaid   2.25%  
Variable rate mortgage loans | LIBOR | Weighted average      
Debt Instrument [Line Items]      
Interest Rate on Variable Rate Debt Repaid   2.25%  
Fixed rate mortgage loans      
Debt Instrument [Line Items]      
Debt Repaid   $ 9,444  
Stated interest rate (as percent)   5.75%  
New fixed rate mortgage notes payable      
Debt Instrument [Line Items]      
Stated interest rate (as percent)   4.83%  
Aggregate Fixed Rate Debt Issued   $ 14,125  
Interest rate swaps | New fixed rate mortgage notes payable      
Debt Instrument [Line Items]      
Number of interest rate swaps   2  
Interest rate swap one | New fixed rate mortgage notes payable      
Debt Instrument [Line Items]      
Stated interest rate (as percent)   4.58%  
Interest rate swap two | New fixed rate mortgage notes payable      
Debt Instrument [Line Items]      
Stated interest rate (as percent)   5.32%