Quarterly report pursuant to Section 13 or 15(d)

Mortgage Notes Payable and Credit Facility - Additional Information (Detail)

v3.19.1
Mortgage Notes Payable and Credit Facility - Additional Information (Detail)
 1 Months Ended 3 Months Ended
Oct. 27, 2017
USD ($)
Oct. 31, 2015
USD ($)
Mar. 31, 2019
USD ($)
mortgage
property
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Oct. 05, 2015
USD ($)
Aug. 31, 2013
USD ($)
Debt Instrument [Line Items]              
Number of properties collateralized in mortgage notes payable | property     101        
Number of long-term mortgages repaid | mortgage     1        
Number of properties repaid to collateralized mortgages notes payable | property     3        
Payments of deferred financing costs     $ 279,000 $ 212,000      
Fair value of mortgage notes payable     450,400,000        
Maximum borrowing capacity $ 75,000,000.0           $ 25,000,000.0
Extension fee on initial maturity (as percent) 0.25%            
Debt instrument fees incurred $ 900,000            
Line of credit outstanding     $ 32,335,000   $ 50,084,000    
Weighted average interest rate on debt outstanding (as percent)     4.69%        
Term loan facility              
Debt Instrument [Line Items]              
Term of debt 5 years            
Extension fee on initial maturity (as percent)   0.05%          
Revolving credit facility              
Debt Instrument [Line Items]              
Term of debt 4 years            
Line of credit              
Debt Instrument [Line Items]              
Maximum borrowing capacity   $ 85,000,000.0       $ 85,000,000.0  
Line of credit outstanding     $ 107,800,000        
Weighted average interest rate (as percent)     4.21%        
Letters of credit, outstanding     $ 7,400,000        
Maximum additional amount that can be drawn under Line of Credit     $ 39,500,000        
Line of credit | Term loan facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity   $ 25,000,000.0          
Term of debt   5 years          
Letter of credit              
Debt Instrument [Line Items]              
Weighted average interest rate on debt outstanding (as percent)     1.75%        
Variable rate mortgage loans              
Debt Instrument [Line Items]              
Number of properties collateralized in mortgage notes payable | property     18        
Carrying value     $ 60,158,000   60,659,000    
Mortgage notes payable              
Debt Instrument [Line Items]              
Number of mortgage notes payable | mortgage     48        
Number of properties collateralized in mortgage notes payable | property     68        
Net book value of collateralized mortgage properties     $ 647,000,000        
Recourse amount of mortgage notes payable     $ 10,200,000        
Percentage of debt recourse (as percent)     2.30%        
Carrying value     $ 449,700,000        
Weighted average interest rate on debt outstanding (as percent)     4.60%        
Issued and assumed mortgage notes payable              
Debt Instrument [Line Items]              
Number of mortgage notes payable | mortgage     1        
Number of properties collateralized in mortgage notes payable | property     1        
Fixed rate mortgage loans              
Debt Instrument [Line Items]              
Number of properties collateralized in mortgage notes payable | property     50        
Stated interest rate (as percent)     3.86%        
Payments of deferred financing costs     $ 300,000 $ 200,000      
Carrying value     $ 389,501,000   $ 385,051,000    
LIBOR              
Debt Instrument [Line Items]              
Spread on LIBOR (as percent) 2.75%