v3.25.2
Debt Obligations - Additional Information (Detail)
1 Months Ended 6 Months Ended
Dec. 10, 2024
USD ($)
Dec. 12, 2023
Feb. 28, 2023
USD ($)
Feb. 28, 2022
USD ($)
Jun. 30, 2025
USD ($)
Apr. 09, 2025
USD ($)
Apr. 01, 2025
USD ($)
Dec. 31, 2024
USD ($)
Apr. 26, 2024
USD ($)
Sep. 30, 2022
USD ($)
Jul. 21, 2022
USD ($)
Apr. 27, 2022
USD ($)
Debt Instrument [Line Items]                        
Line of credit current borrowing capacity $ 140,000,000                      
Line of credit facility, increase (decrease), net $ 250,000,000   $ 100,000,000 $ 100,000,000                
Line of credit facility, expiration date Apr. 30, 2025                      
Percent of principal amount outstanding of loans         35              
Loan, held-in-portfolio         $ 52,800,000              
Maximum [Member]                        
Debt Instrument [Line Items]                        
Line of credit facility, expiration date Dec. 10, 2026 Dec. 10, 2024                    
Maximum [Member] | Unfunded Loan Commitment [Member]                        
Debt Instrument [Line Items]                        
Percentage of lines of credit current   70                    
Minimum [Member]                        
Debt Instrument [Line Items]                        
Line of credit facility, expiration date Dec. 10, 2024 Dec. 12, 2023                    
Minimum [Member] | Unfunded Loan Commitment [Member]                        
Debt Instrument [Line Items]                        
Percentage of lines of credit current   60                    
State Street Credit Facility [Member]                        
Debt Instrument [Line Items]                        
Line of credit current borrowing capacity         65,000,000         $ 65,000,000    
Line of credit maximum borrowing capacity         140,000,000              
Line of credit, outstanding amount         120,000,000     $ 38,000,000        
Loan Repurchase Agreement April 2022 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity                     $ 200,000,000  
Loan Repurchase Agreement April 2022 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member] | Maximum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity                       $ 250,000,000
Loan Repurchase Agreement April 2022 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member] | Minimum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity                       $ 150,000,000
Loan Repurchase Agreement April 2024 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity                 $ 400,000,000      
Loan Repurchase Agreement April 2025 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member] | Maximum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity           $ 350,000,000            
Loan Repurchase Agreement April 2025 [Member] | AB CRE PDF Member One LLC [Member] | Morgan Stanley Mortgage Capital Holdings [Member] | Mortgage Stanley [Member] | Minimum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity           $ 300,000,000            
Loan Repurchase Agreement April 2025 [Member] | AB CRE PDF Lending C LLC [Member] | Citibank [Member] | Maximum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity             $ 500,000,000          
Loan Repurchase Agreement April 2025 [Member] | AB CRE PDF Lending C LLC [Member] | Citibank [Member] | Minimum [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity             $ 250,000,000          
Notes payable [Member]                        
Debt Instrument [Line Items]                        
Debt instrument, annual principal payment         86,100,000              
Notes payable [Member] | AB CRE PDF Member One LLC [Member]                        
Debt Instrument [Line Items]                        
Line of credit maximum borrowing capacity         $ 125,600,000              
Debt instrument maturity date         Jan. 06, 2026              
Debt instrument, description of variable rate basis         interest at Term SOFR plus 1.20%.              
HSBC Loan [Member]                        
Debt Instrument [Line Items]                        
Debt instrument basis spread on variable rate         2.25%              
Debt instrument interest rate         5.25%              
Derivative, floor interest rate         0.00%