v3.25.4
Loans Receivable, Net - Additional Information (Detail)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2025
USD ($)
Mar. 31, 2025
security_loan
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
loan
Dec. 31, 2025
USD ($)
security_loan
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
loan
Dec. 31, 2023
USD ($)
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  
(Decrease) increase in net CECL reserve       $ (449,500)          
Amount charged off       556,116       $ 384,603  
CECL reserve $ 284,440   $ 284,440 284,440 $ 284,440 $ 284,440 $ 284,440 $ 733,936 $ 576,936
Number of loans   130     131 131   130  
Principal balance 18,069,134   18,069,134 18,069,134 $ 18,069,134 $ 18,069,134 18,069,134 $ 19,047,518 23,787,012
Net book value 17,784,694   17,784,694 17,784,694 $ 17,784,694 17,784,694 17,784,694 18,313,582  
Number of loan modifications | loan         8        
Owned real estate, net 1,134,975   1,134,975 1,134,975 $ 1,134,975 1,134,975 1,134,975 $ 588,185  
5                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         6     13  
Principal balance 174,588   174,588 174,588 $ 174,588 174,588 174,588 $ 1,827,561  
4                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         17     20  
Principal balance 2,806,758   2,806,758 2,806,758 $ 2,806,758 2,806,758 2,806,758 $ 2,707,104  
3                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         85     65  
Principal balance 11,907,947   11,907,947 11,907,947 $ 11,907,947 11,907,947 11,907,947 $ 9,246,692  
2                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         20     21  
Principal balance 2,875,870   $ 2,875,870 2,875,870 $ 2,875,870 2,875,870 $ 2,875,870 $ 3,346,881  
Payment Deferral                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         1        
Aggregate amortized cost basis of loans       242,100          
Percentage to aggregate loans receivable portfolio             1.30%    
Extended Maturity                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         3        
Aggregate amortized cost basis of loans       387,400          
Percentage to aggregate loans receivable portfolio             2.10%    
Extended Maturity | 5                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         4        
Extended Maturity, Loan Two                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Extension term     3 years 9 months 18 days            
Proceeds from repayment of loan       1,700          
Extended Maturity, Loan Four                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Extension term     1 year            
Increase (decrease) in rate             (2.43%)    
Proceeds from repayment of loan       25,000          
Extended Maturity, Loan Five                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Extension term     4 years 3 months 18 days            
Increase (decrease) in rate             (3.56%)    
Extended Maturity, Loan Six                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Extension term     4 years 3 months 18 days            
Increase (decrease) in rate             (4.19%)    
Proceeds from repayment of loan       12,700          
Extended Maturity, Senior Loans | 4                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         3        
Extended Maturity, Senior Loans | 3                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         1        
Office                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Amount charged off       338,100          
Number of loans | loan         37     41  
Principal balance 4,879,422   $ 4,879,422 4,879,422 $ 4,879,422 4,879,422 $ 4,879,422 $ 7,386,333  
Number of loan modifications | loan         3        
Mixed Use Asset                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loan modifications | loan         1        
Life Sciences / Studio                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         4     3  
Principal balance 284,079   284,079 284,079 $ 284,079 284,079 284,079 $ 342,817  
Performing Loan in Technical Default                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Principal balance 98,300   98,300 98,300 $ 98,300 98,300 98,300    
12 Loans | Impaired loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Number of loans | loan         6        
Cash proceeds       42,400          
Impaired loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Amount charged off       556,116       384,603  
CECL reserve 87,325   87,325 87,325 $ 87,325 87,325 87,325 580,651 $ 417,670
Principal balance 174,588   174,588 174,588 174,588 174,588 174,588 1,827,561  
Impaired loans | 5                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Principal balance 174,588   174,588 174,588 174,588 174,588 174,588 1,827,561  
Impaired loans | 4                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Principal balance 0   0 0 0 0 0 0  
Impaired loans | 3                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Principal balance 0   0 0 0 0 0 0  
Impaired loans | 2                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Principal balance 0   0 0 $ 0 0 0 $ 0  
Impaired Loans, 8 Loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Amount charged off       338,000          
Number of loans impaired | loan         8        
Impaired Subordinate Loans                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Amount charged off       218,100          
Number of loans impaired | loan         3        
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 0   0 0 $ 0 0 0    
Unfunded Loan Commitment | Extended Maturity                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Unfunded loan commitments 68,100   $ 68,100 68,100 $ 68,100 $ 68,100 $ 68,100    
Asset-specific CECL Reserves                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
(Decrease) increase in net CECL reserve $ (493,300)                
General CECL Reserves                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
(Decrease) increase in net CECL reserve       $ 43,800