v3.26.1
Other assets (Detail) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Acquired in-place leases $ 178,540 $ 204,008
Deferred compensation plan 61,096 53,529
Deferred financing costs – unsecured senior line of credit 34,581 39,406
Deposits 28,034 28,618
Furniture, fixtures, equipment, and software 76,474 70,311
Net investment in leases 59,827 58,985
Notes receivable 269,737 258,033
Operating lease right-of-use assets 689,153 697,865
Other assets 92,017 87,036
Prepaid expenses 27,323 33,718
Property, plant, and equipment 128,661 130,263
Total 1,645,443 1,661,772
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Financing Receivable, Allowance for Credit Loss (532) (532)
Notes receivable 269,737 258,033
Accounts Receivable, Credit Loss Expense (Reversal) $ 0  
Notes Receivable | San Diego    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivable with Imputed Interest, Effective Yield (Interest Rate) 9.90%  
Receivable with Imputed Interest, Due Date Jan. 10, 2029  
Financing Receivable, before Allowance for Credit Loss, Noncurrent $ 254,890 240,476
Notes Receivable | Greater Boston    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Receivable with Imputed Interest, Effective Yield (Interest Rate) 6.10%  
Receivable with Imputed Interest, Due Date Dec. 16, 2029  
Financing Receivable, before Allowance for Credit Loss, Noncurrent $ 15,379 $ 18,089