Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Mortgage Notes Payable and Credit Facility - Additional Information (Detail)
3 Months Ended
Feb. 11, 2021
USD ($)
Jul. 02, 2019
USD ($)
Mar. 31, 2021
USD ($)
mortgage
property
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Jul. 01, 2019
USD ($)
Debt Instrument [Line Items]            
Number of properties collateralized in mortgage notes payable | property     117      
Payments of deferred financing costs     $ 584,000 $ 382,000    
Carrying value     663,143,000   $ 669,280,000  
Line of credit outstanding     $ 0   53,312,000  
Weighted average interest rate on debt outstanding (as percent)     4.22%      
Line of credit            
Debt Instrument [Line Items]            
Line of credit outstanding     $ 210,000,000.0      
Weighted average interest rate (as percent)     2.00%      
Letters of credit, outstanding     $ 18,800,000      
Weighted average interest rate on debt outstanding (as percent)     1.90%      
Maximum additional amount that can be drawn under Line of Credit     $ 18,300,000      
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      
Mortgage notes payable            
Debt Instrument [Line Items]            
Number of mortgage notes payable | mortgage     53      
Number of properties collateralized in mortgage notes payable | property     68      
Net book value of collateralized mortgage properties     $ 685,400,000      
Fair value of mortgage notes payable     466,000,000.0      
Carrying value     $ 454,353,000   456,177,000  
Weighted average interest rate on debt outstanding (as percent)     3.52%      
Carrying value     $ 457,840,000      
Fixed rate mortgage loans            
Debt Instrument [Line Items]            
Number of properties collateralized in mortgage notes payable | property     61      
Payments of deferred financing costs     $ 600,000 $ 400,000    
Carrying value     433,262,000   435,029,000  
Variable rate term loan facility B            
Debt Instrument [Line Items]            
Carrying value     $ 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%