v3.26.3
Loans Held for Investment and the Allowance for Credit Losses - Schedule of Loans Held for Investment Portfolio Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Amortized cost          
Beginning balance [1]     $ 4,103,022    
Ending balance [1] $ 4,916,375   4,916,375   $ 4,103,022
Allowance for credit losses          
Beginning balance [1]     (74,503)    
Allowance for credit losses     (11,850) $ (2,594)  
Ending balance [1] (73,955)   (73,955)   (74,503)
Carrying value          
Beginning balance [1]     4,028,519    
Allowance for credit losses     (11,850) (2,594)  
Ending balance [1] 4,842,420   4,842,420   4,028,519
Senior loans          
Amortized cost          
Beginning balance     4,103,022    
Loans originated and acquired     1,266,682    
Additional fundings     100,068    
Accrued PIK interest     1,243    
Amortization of origination fees and discounts     5,841    
Collection of principal     (517,649)    
Realized loss on loan write-offs, loan sales, and REO conversions     13,006   0
Loan extinguishment upon conversion to REO     (29,826)    
Ending balance 4,916,375   4,916,375   4,103,022
Allowance for credit losses          
Beginning balance (77,750) $ (66,957) (74,503) (61,558) (61,558)
Allowance for credit losses (9,211) 2,413 (12,458) (2,986)  
Ending balance (73,955) (64,544) (73,955) (64,544) (74,503)
Carrying value          
Beginning balance     4,028,519    
Loans originated and acquired     1,266,682    
Additional fundings     100,068    
Accrued PIK interest     1,243    
Amortization of origination fees and discounts     5,841    
Collection of principal     (517,649)    
Allowance for credit losses (9,211) $ 2,413 (12,458) $ (2,986)  
Ending balance $ 4,842,420   4,842,420   $ 4,028,519
Senior loans | Amortized cost          
Amortized cost          
Realized loss on loan write-offs, loan sales, and REO conversions     (13,006)    
Loan extinguishment upon conversion to REO     (29,826)    
Senior loans | Allowance for credit losses          
Amortized cost          
Realized loss on loan write-offs, loan sales, and REO conversions     13,006    
Loan extinguishment upon conversion to REO     $ 0    
[1] The Company’s consolidated Total Assets and Total Liabilities as of September 30, 2026 include assets and liabilities of variable interest entities (“VIEs”) of $2.3 billion and $1.9 billion, respectively. The Company’s consolidated Total Assets and Total Liabilities as of December 31, 2025 include assets and liabilities of VIEs of $3.1 billion and $2.6 billion, respectively. These assets can be used only to satisfy obligations of the VIEs, and creditors of the VIEs have recourse only to these assets, and not to TPG RE Finance Trust, Inc. See Note 5 to the Consolidated Financial Statements for details.