v3.26.1
Accounting Policies - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Impairments $ 2,461,000 $ 455,000 $ 3,977,000 $ 1,624,000  
Notes and mortgages receivable 29,361,000   29,361,000   $ 19,466,000
Aggregate purchase price of properties acquired during the period     150,794,000 87,228,000  
Direct Financing Leases Financing Receivable [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Impairments 0 0 0 0  
Properties [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Impairments     300,000 500,000  
Estimated Sale Price Method [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Impairments 2,500,000 500,000 4,000,000 1,600,000  
Estimated fair value 3,100,000 600,000 3,100,000 600,000  
Accumulation of Asset Retirement Cost Method [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Estimated fair value 900,000 1,000,000 900,000 1,000,000  
Accounting Standards Update 2016-13 [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Proceeds from construction loans and development financing     10,200,000    
Aggregate purchase price of properties acquired during the period     3,600,000    
Accounting Standards Update 2016-13 [Member] | Direct Financing Leases Financing Receivable [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Additional allowance for credit losses 0 $ 0 0 $ 0  
Accounting Standards Update 2016-13 [Member] | Construction Loans and Development Financing [Member]          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Notes and mortgages receivable 14,900,000   14,900,000    
Accounting Standards Update 2016-13 [Member] | Notes And Mortgages Receivable          
Organization Consolidation And Presentation Of Financial Statements [Line Items]          
Additional allowance for credit losses $ 300,000   300,000   $ 300,000
Aggregate purchase price of properties acquired during the period     $ 3,600,000