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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Significant Accounting Policies [Line Items]      
Depreciation and amortization of deferred leasing costs $ 44,636,000 $ 45,487,000 $ 45,865,000
Repairs and maintenance expense 15,200,000 13,500,000 11,100,000
Impairment of real estate 0    
Rental revenue, charge offs 4,614    
Deferred leasing costs, net 22,388,000 24,005,000  
Accumulated amortization deferred leasing cost (51,300,000) (48,700,000)  
Amortization of other deferred charges 4,300,000 4,700,000 5,200,000
Accrued penalties and interest 0 0 $ 0
Real estate investments for federal income tax $ 1,610,000,000 $ 1,640,000,000  
Minimum      
Significant Accounting Policies [Line Items]      
Operating lease term of contract 1 year    
Minimum | Building      
Significant Accounting Policies [Line Items]      
Buildings and improvements depreciable lives in years 35 years    
Maximum      
Significant Accounting Policies [Line Items]      
Operating lease term of contract 15 years    
Maximum | Building      
Significant Accounting Policies [Line Items]      
Buildings and improvements depreciable lives in years 50 years    
Maximum | Building Improvements      
Significant Accounting Policies [Line Items]      
Buildings and improvements depreciable lives in years 20 years