v3.26.3
Debt - Additional Information (Details)
$ in Thousands
 1 Months Ended 9 Months Ended
Oct. 16, 2026
USD ($)
property
loan
Feb. 28, 2026
USD ($)
Sep. 30, 2026
USD ($)
counterparty
loan
day
Oct. 19, 2026
USD ($)
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Feb. 19, 2026
USD ($)
loan
Dec. 31, 2025
USD ($)
counterparty
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jan. 27, 2022
USD ($)
Debt Instrument [Line Items]                          
Unpaid Principal Balance     $ 3,089,431         $ 2,679,909          
Principal amount     2,643,082         2,476,490          
Current expected credit loss reserve     106,317   $ 98,658 $ 85,316   87,401 $ 126,905 $ 136,567 $ 155,365 $ 165,932  
Balance     2,643,082                    
Variable rate                          
Debt Instrument [Line Items]                          
Unpaid Principal Balance     3,026,057         2,595,234          
Securitized loans | Variable rate                          
Debt Instrument [Line Items]                          
Unpaid Principal Balance     1,583,910         $ 1,172,999          
Investment grade notes | BRSP 2026-FL3                          
Debt Instrument [Line Items]                          
Proceeds from sale of securitization trust   $ 955,000                      
Sale of notes   $ 833,200                      
Ramp-up acquisition period   6 months                      
Proceeds from sale of investments   $ 98,300                      
Reinvestment feature period   30 months                      
Balance     $ 955,000                    
Advance rate     87.30%                    
Number of loans (in loans) | loan     32                    
Investment grade notes | BRSP 2024-FL2                          
Debt Instrument [Line Items]                          
Proceeds from sale of securitization trust     $ 675,000                    
Sale of notes     583,900                    
Balance     $ 628,900                    
Advance rate     85.50%                    
Number of loans (in loans) | loan     26                    
Reinvestment period     2 years                    
Investment grade notes | BRSP 2021-FL 1                          
Debt Instrument [Line Items]                          
Balance             $ 440,800            
Number of loans (in loans) | loan             17            
Investment grade notes | BRSP 2026-FL4 | Subsequent event                          
Debt Instrument [Line Items]                          
Proceeds from sale of securitization trust $ 960,000                        
Sale of notes $ 844,800                        
Advance rate 88.00%                        
Number of loans (in loans) | loan 29                        
Debt instrument, repurchase amount       $ 537,800                  
Number of properties | property 38                        
Master repurchase facilities                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     $ 2,400,000                    
Bank 1 | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Number of counterparties holding collateral that exceeds amounts borrowed by more than 10% | counterparty     3         3          
Bank 3 | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Number of counterparties holding collateral that exceeds amounts borrowed by more than 10% | counterparty     3         3          
Bank 5 | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Number of counterparties holding collateral that exceeds amounts borrowed by more than 10% | counterparty     3                    
Bank 2 | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Number of counterparties holding collateral that exceeds amounts borrowed by more than 10% | counterparty               3          
Credit facilities                          
Debt Instrument [Line Items]                          
Principal amount     $ 1,059,853         $ 1,078,098          
Balance     1,059,853                    
Credit facilities | Bank 1                          
Debt Instrument [Line Items]                          
Balance     281,700         216,400          
Credit facilities | Bank 3                          
Debt Instrument [Line Items]                          
Balance     98,800         122,000          
Credit facilities | Bank 5                          
Debt Instrument [Line Items]                          
Balance     96,800                    
Credit facilities | Bank 2                          
Debt Instrument [Line Items]                          
Balance               100,000          
Credit facilities | Revolving credit facility | Credit agreement                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     120,000                    
Borrowing capacity, increase to maximum available principal amount                         $ 180,000
Maximum amount that can be drawn     $ 120,000                    
Maximum amount of base value available for borrowing     50.00%                    
Tangible net worth     $ 900,000                    
Percentage of net cash proceeds from offering     0.70                    
Number of days to receive receipt | day     90                    
EBITDA plus lease expenses to fixed charges     1.40                    
Minimum interest coverage ratio     3.00                    
Maximum leverage ratio     0.80                    
Credit facilities | Revolving credit facility | Credit agreement | Option one                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     2.25%                    
Credit facilities | Revolving credit facility | Credit agreement | Option two                          
Debt Instrument [Line Items]                          
Margin on basis spread on variable rate     0.0125                    
Credit facilities | Revolving credit facility | Credit agreement | Option two | Federal funds rate                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     0.50%                    
Credit facilities | Revolving credit facility | Credit agreement | Option two | Secured Overnight Financing Rate (SOFR)                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     1.00%                    
Credit facilities | Master repurchase facilities                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     $ 2,350,000                    
Principal amount     1,014,853         1,078,098          
Credit facilities | Master repurchase facilities | Asset Pledged as Collateral                          
Debt Instrument [Line Items]                          
Current expected credit loss reserve     1,600,000         1,500,000          
Credit facilities | Master repurchase facilities | Bank 1                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     $ 600,000                    
Interest rate margin (in percentage)     1.98%                    
Principal amount     $ 405,216         433,642          
Credit facilities | Master repurchase facilities | Bank 3                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     $ 500,000                    
Borrowing capacity, increase to maximum available principal amount               500,000          
Interest rate margin (in percentage)     1.74%                    
Principal amount     $ 223,793         427,899          
Credit facilities | Master repurchase facilities | Bank 5                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     $ 250,000                    
Interest rate margin (in percentage)     1.92%                    
Principal amount     $ 161,092         0          
Credit facilities | Master repurchase facilities | Bank 2                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     600,000                    
Principal amount     0         135,550          
Letters of Credit | Revolving credit facility | Credit agreement                          
Debt Instrument [Line Items]                          
Maximum borrowing capacity     25,000                    
Securitization Bonds Payable, Net                          
Debt Instrument [Line Items]                          
Principal amount     1,371,022         982,090          
Balance     $ 1,371,022                    
Securitization Bonds Payable, Net | Asset Pledged as Collateral                          
Debt Instrument [Line Items]                          
Current expected credit loss reserve               1,200,000          
Securitization Bonds Payable, Net | Investment grade notes | BRSP 2026-FL3                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     1.69%                    
Principal amount     $ 833,237         0          
Securitization Bonds Payable, Net | Investment grade notes | BRSP 2024-FL2                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     2.51%                    
Principal amount     $ 537,785         583,875          
Securitization Bonds Payable, Net | Investment grade notes | BRSP 2021-FL 1                          
Debt Instrument [Line Items]                          
Principal amount     $ 0         $ 398,215          
Debt instrument, repurchase amount             $ 310,700            
Securitization Bonds Payable, Net | Investment grade notes | BRSP 2021-FL 1 | Subsequent event                          
Debt Instrument [Line Items]                          
Debt instrument, repurchase amount       $ 537,800                  
Minimum | Credit facilities                          
Debt Instrument [Line Items]                          
Initial debt term (in years)     1 year                    
Minimum | Credit facilities | Revolving credit facility | Credit agreement                          
Debt Instrument [Line Items]                          
Unused amount, commitment fee percentage     0.25%                    
Minimum | Credit facilities | Master repurchase facilities | Bank 2                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     1.30%                    
Minimum | Securitization Bonds Payable, Net | Investment grade notes | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Initial debt term (in years)     2 years                    
Maximum | Credit facilities                          
Debt Instrument [Line Items]                          
Initial debt term (in years)     5 years                    
Maximum | Credit facilities | Revolving credit facility | Credit agreement                          
Debt Instrument [Line Items]                          
Unused amount, commitment fee percentage     0.35%                    
Maximum | Credit facilities | Master repurchase facilities | Bank 2                          
Debt Instrument [Line Items]                          
Interest rate margin (in percentage)     2.75%                    
Maximum | Securitization Bonds Payable, Net | Investment grade notes | CLNC 2019-FL1                          
Debt Instrument [Line Items]                          
Initial debt term (in years)     3 years