v3.26.1
Loans Receivable, Net - Additional Information (Detail)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
loan
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
loan
Jun. 30, 2026
USD ($)
security_loan
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
loan
Dec. 31, 2025
USD ($)
security_loan
Dec. 31, 2024
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Weighted-average risk rating 3.0       3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0  
(Decrease) increase in net CECL reserve $ 106,200                        
Charge-offs of CECL reserves (28,620) $ (46,451) $ (45,057) $ (41,824)   $ (75,071)       $ (556,116)      
CECL reserve 397,835 291,590 740,851 741,541 $ 397,835 397,835 $ 397,835 $ 397,835 $ 397,835 284,440 $ 284,440 $ 284,440 $ 733,936
Number of loans             133 133     131 131  
Principal balance 17,334,730       17,334,730 17,334,730 $ 17,334,730 $ 17,334,730 17,334,730 18,069,134 $ 18,069,134 $ 18,069,134  
Number of loan modifications | loan             2            
Net book value 16,936,895       16,936,895 16,936,895 $ 16,936,895 16,936,895 16,936,895 17,784,694 $ 17,784,694 17,784,694  
Office                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             34       37    
Principal balance 4,461,290       $ 4,461,290 4,461,290 $ 4,461,290 4,461,290 $ 4,461,290 4,879,422 $ 4,879,422 4,879,422  
Extended Maturity, Loan Five                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Extension term         4 years 3 months 18 days                
Interest rate decrease                 3.56%        
Payment Deferral                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Aggregate amortized cost basis of loans           122,300              
Percentage to aggregate loans receivable portfolio                 0.70%        
5                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             9       6    
Principal balance 695,152       $ 695,152 695,152 $ 695,152 695,152 $ 695,152 174,588 $ 174,588 174,588  
5 | Extended Maturity                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loan modifications | loan             1            
4                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             17       17    
Principal balance 2,026,473       2,026,473 2,026,473 $ 2,026,473 2,026,473 2,026,473 2,806,758 $ 2,806,758 2,806,758  
3                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             85       85    
Principal balance 11,667,474       11,667,474 11,667,474 $ 11,667,474 11,667,474 11,667,474 11,907,947 $ 11,907,947 11,907,947  
Performing Loan in Technical Default                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Principal balance 148,800       148,800 148,800 $ 148,800 148,800 148,800        
12 Loans | Impaired loans                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             9            
Asset-specific CECL Reserves                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
(Decrease) increase in net CECL reserve 134,600                        
Interest income on loans $ 7,100                        
Number of new loans impaired | loan 3                        
Amortized cost basis $ 502,000       502,000 502,000 $ 502,000 502,000 502,000        
Impaired loans                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Charge-offs of CECL reserves (28,620) (46,451) (45,057) (41,824)                  
CECL reserve 219,479 $ 84,925 $ 558,767 $ 555,379 219,479 219,479 219,479 219,479 219,479 $ 87,325 $ 87,325 $ 87,325 $ 580,651
Principal balance $ 695,200       695,200 695,200 $ 695,200 695,200 695,200        
Impaired Loans, 8 Loans                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans impaired | loan 1                        
General CECL Reserves                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
(Decrease) increase in net CECL reserve $ (28,300)                        
Unfunded Loan Commitment                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Number of loans | loan             53            
Unfunded Loan Commitment | Payment Deferral                          
Accounts, Notes, Loans and Financing Receivable [Line Items]                          
Unfunded loan commitments $ 34,700       $ 34,700 $ 34,700 $ 34,700 $ 34,700 $ 34,700