Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Mortgage Notes Payable and Credit Facility - Additional Information (Detail)
3 Months Ended 9 Months Ended
Feb. 11, 2021
USD ($)
Jul. 02, 2019
USD ($)
Sep. 30, 2021
USD ($)
mortgage
property
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
mortgage
property
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Jul. 01, 2019
USD ($)
Debt Instrument [Line Items]                
Number of properties collateralized in mortgage notes payable | property     124   124      
Payments of deferred financing costs         $ 614,000 $ 422,000    
Carrying value     $ 674,052,000   674,052,000   $ 669,280,000  
Line of credit outstanding     $ 2,100,000   $ 2,100,000   53,312,000  
Weighted average interest rate on debt outstanding     4.19%   4.19%      
Line of credit                
Debt Instrument [Line Items]                
Line of credit outstanding     $ 227,100,000   $ 227,100,000      
Weighted average interest rate (as percent)     1.97%   1.97%      
Letters of credit, outstanding     $ 18,700,000   $ 18,700,000      
Weighted average interest rate on debt outstanding     1.90%   1.90%      
Maximum additional amount that can be drawn under Line of Credit     $ 26,100,000   $ 26,100,000      
Term Loan A                
Debt Instrument [Line Items]                
Maximum borrowing capacity   $ 160,000,000           $ 75,000,000
Revolving credit facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity   $ 100,000,000           $ 85,000,000
Term Loan B                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 65,000,000              
Debt instrument fees incurred 500,000              
Delayed funding component $ 15,000,000              
Carrying value     $ 65,000,000   $ 65,000,000      
Mortgage notes payable                
Debt Instrument [Line Items]                
Number of mortgage notes payable | mortgage     53   53      
Number of properties collateralized in mortgage notes payable | property     68   68      
Net book value of collateralized mortgage properties     $ 667,800,000   $ 667,800,000      
Fair value of mortgage notes payable     458,600,000   458,600,000      
Carrying value     $ 448,001,000   $ 448,001,000   456,177,000  
Weighted average interest rate on debt outstanding     3.45%   3.45%      
Carrying value     $ 451,002,000   $ 451,002,000      
Fixed rate mortgage loans                
Debt Instrument [Line Items]                
Number of properties collateralized in mortgage notes payable | property     61   61      
Payments of deferred financing costs     $ 0 $ 30,000.00 $ 600,000 $ 400,000    
Carrying value     426,933,000   426,933,000   435,029,000  
Variable rate term loan facility B                
Debt Instrument [Line Items]                
Carrying value     $ 65,000,000   $ 65,000,000   $ 0  
LIBOR | Term Loan B                
Debt Instrument [Line Items]                
Floor on variable rate 0.25%              
LIBOR | Variable rate term loan facility B                
Debt Instrument [Line Items]                
Spread on LIBOR         2.00%      
Minimum | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR   1.25%            
Minimum | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR 1.40%              
Minimum | LIBOR | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR   2.50%            
Minimum | LIBOR | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR 1.50%              
Maximum | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR   2.15%            
Maximum | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR 2.25%              
Maximum | LIBOR | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR   2.75%            
Maximum | LIBOR | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR 1.75%