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 6 Months Ended
Feb. 11, 2021
USD ($)
Jul. 02, 2019
USD ($)
Jun. 30, 2021
USD ($)
mortgage
property
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
mortgage
property
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Jul. 01, 2019
USD ($)
Debt Instrument [Line Items]                
Number of properties collateralized in mortgage notes payable | property     117   117      
Payments of deferred financing costs         $ 614,000 $ 397,000    
Carrying value     $ 660,059,000   660,059,000   $ 669,280,000  
Line of credit outstanding     $ 0   $ 0   53,312,000  
Weighted average interest rate on debt outstanding (as percent)     4.20%   4.20%      
Line of credit                
Debt Instrument [Line Items]                
Line of credit outstanding     $ 210,000,000.0   $ 210,000,000.0      
Weighted average interest rate (as percent)     1.99%   1.99%      
Letters of credit, outstanding     $ 18,100,000   $ 18,100,000      
Weighted average interest rate on debt outstanding (as percent)     1.90%   1.90%      
Maximum additional amount that can be drawn under Line of Credit     $ 22,900,000   $ 22,900,000      
Term Loan A                
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
Term Loan B                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 65,000,000.0              
Debt instrument fees incurred 500,000              
Delayed funding component $ 15,000,000.0              
Carrying value     $ 50,000,000.0   $ 50,000,000.0      
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     $ 676,500,000   $ 676,500,000      
Fair value of mortgage notes payable     462,800,000   462,800,000      
Carrying value     $ 451,188,000   $ 451,188,000   456,177,000  
Weighted average interest rate on debt outstanding (as percent)     3.50%   3.50%      
Carrying value     $ 454,432,000   $ 454,432,000      
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 $ 0 $ 600,000 $ 400,000    
Carrying value     430,108,000   430,108,000   435,029,000  
Variable rate term loan facility B                
Debt Instrument [Line Items]                
Carrying value     $ 50,000,000   $ 50,000,000   $ 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 (as percent)         2.00%      
Minimum | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent) 1.25%              
Minimum | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent) 1.40%              
Minimum | LIBOR | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent)   2.50%            
Maximum | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent) 2.15%              
Maximum | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent) 2.25%              
Maximum | LIBOR | Term Loan A                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent)   2.75%            
Maximum | LIBOR | Term Loan B                
Debt Instrument [Line Items]                
Spread on LIBOR (as percent)   1.50%