Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Mortgage Notes Payable and Credit Facility - Additional Information (Detail)
3 Months Ended
Jul. 02, 2019
USD ($)
Mar. 31, 2020
USD ($)
mortgage
property
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Jul. 01, 2019
USD ($)
Debt Instrument [Line Items]          
Number of properties collateralized in mortgage notes payable | property   121      
Payments of deferred financing costs   $ 382,000 $ 279,000    
Fair value of mortgage notes payable   501,900,000      
Line of credit outstanding   $ 20,846,000   $ 51,579,000  
Weighted average interest rate on debt outstanding (as percent)   4.32%      
Term loan facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 160,000,000.0       $ 75,000,000.0
Revolving credit facility          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 100,000,000.0       $ 85,000,000.0
Line of credit          
Debt Instrument [Line Items]          
Extension fee on initial maturity (as percent) 0.10%        
Line of credit outstanding   $ 181,600,000      
Weighted average interest rate (as percent)   2.60%      
Letters of credit, outstanding   $ 12,600,000      
Maximum additional amount that can be drawn under Line of Credit   $ 17,200,000      
Line of credit | Term loan facility          
Debt Instrument [Line Items]          
Term of debt 5 years        
Line of credit | Revolving credit facility          
Debt Instrument [Line Items]          
Term of debt 4 years        
Debt instrument fees incurred $ 1,300,000        
Letter of credit          
Debt Instrument [Line Items]          
Weighted average interest rate on debt outstanding (as percent)   1.65%      
Variable rate mortgage loans          
Debt Instrument [Line Items]          
Number of properties collateralized in mortgage notes payable | property   12      
Carrying value   $ 44,830,000   45,151,000  
Mortgage notes payable          
Debt Instrument [Line Items]          
Number of mortgage notes payable | mortgage   58      
Number of properties collateralized in mortgage notes payable | property   74      
Net book value of collateralized mortgage properties   $ 730,500,000      
Recourse amount of mortgage notes payable   $ 4,800,000      
Percentage of debt recourse (as percent)   1.00%      
Carrying value   $ 490,616,000      
Weighted average interest rate on debt outstanding (as percent)   3.86%      
Issued and assumed mortgage notes payable          
Debt Instrument [Line Items]          
Number of mortgage notes payable | mortgage   4      
Number of properties collateralized in mortgage notes payable | property   4      
Fixed rate mortgage loans          
Debt Instrument [Line Items]          
Number of properties collateralized in mortgage notes payable | property   62      
Payments of deferred financing costs   $ 400,000 $ 300,000    
Carrying value   $ 445,786,000   $ 412,771,000  
Minimum | Fixed rate mortgage loans          
Debt Instrument [Line Items]          
Stated interest rate (as percent)   2.80%      
Minimum | LIBOR | Term loan facility          
Debt Instrument [Line Items]          
Spread on LIBOR (as percent) 2.50%        
Minimum | LIBOR | Variable rate mortgage loans          
Debt Instrument [Line Items]          
Spread on LIBOR (as percent)   2.00%      
Maximum | Fixed rate mortgage loans          
Debt Instrument [Line Items]          
Stated interest rate (as percent)   6.63%      
Maximum | LIBOR | Term loan facility          
Debt Instrument [Line Items]          
Spread on LIBOR (as percent) 2.75%        
Maximum | LIBOR | Variable rate mortgage loans          
Debt Instrument [Line Items]          
Spread on LIBOR (as percent)   2.75%