v3.26.1
Transactions with Curbline Properties - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Fee and other income $ 3,846 $ 2,808 $ 7,621 $ 13,981  
Rental income 6,847 30,662 16,088 62,112  
Other income (expense), net (162) (6,469) $ 35 (12,426)  
Fee percentage of aggregate amount of gross revenue     2.00%    
Amounts payable to curbline 9,400   $ 9,400   $ 22,100
Amounts receivable from curbline 400   400   $ 900
Shared Services Agreement [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Fee and other income 1,700 600 3,500 1,200  
Rental income 400 400 800 800  
Other [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Fee and other income 1,200 800 2,300 1,500  
Separation and Distributions Agreement [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Estimated cost of redevelopment projects 8,500   8,500    
Curbline [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Incremental fair value of services provided to Curbline 1,700 $ 600 3,500 $ 1,200  
Embedded Lease Charge $ 400   $ 800