v3.26.1
Borrowings - Narrative (Details)
 3 Months Ended 6 Months Ended
Jan. 26, 2026
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Debt Instrument [Line Items]        
Minimum asset coverage ratio required   1.50    
Asset coverage ratio     181.55% 181.55%
Debt less unamortized debt issuance costs     $ 141,997,000 $ 141,997,000
Interest payable     1,324,000 1,324,000
Debt instrument, interest rate, stated percentage( as a percent)   12.00%    
Average debt outstanding       135,460,000
BANA Credit Facility        
Debt Instrument [Line Items]        
Stated interest expense     1,915,000 3,535,000
Interest expense     1,963,000 3,651,000
Average debt outstanding     143,229,000 132,711,000
Promissory Notes - OS Cayman Trust        
Debt Instrument [Line Items]        
Principal amount   $ 13,637,000    
Stated interest expense     0 0
Repayments of debt $ 13,637,000      
Average debt outstanding     0 1,949,000
Promissory Notes - REIT Funding        
Debt Instrument [Line Items]        
Debt less unamortized debt issuance costs     800,000 800,000
Principal amount   $ 2,000    
Stated interest expense     24,000 48,000
Number of notes sold | shares   400    
Price per share sold (in dollars per share) | $ / shares   $ 25.00    
Interest expense     25,000 50,000
Average debt outstanding     800,000 800,000
Promissory Notes - REIT Funding | Notes Payable, Other Payables        
Debt Instrument [Line Items]        
Shares issued per note (in shares) | shares   1    
Revolving Credit Facility | BANA Credit Facility | Line of Credit        
Debt Instrument [Line Items]        
Maximum borrowing capacity   $ 425,000,000    
Debt less unamortized debt issuance costs     142,401,000 142,401,000
Interest payable   $ 295,000    
Revolving Credit Facility | BANA Credit Facility | Line of Credit | Minimum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate (as a percent)   1.70%    
Commitment fee percentage on unused portion (as a percent)   0.50%    
Revolving Credit Facility | BANA Credit Facility | Line of Credit | Maximum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate (as a percent)   1.85%    
Commitment fee percentage on unused portion (as a percent)   1.75%    
Revolving Credit Facility | Adviser Revolver | Line of Credit        
Debt Instrument [Line Items]        
Maximum borrowing capacity     $ 100,000,000 $ 100,000,000
Debt instrument, basis spread on variable rate (as a percent)     5.50% 5.50%
Debt less unamortized debt issuance costs     $ 0 $ 0
Debt instrument, interest rate, stated percentage( as a percent)     3.80% 3.80%
Interest expense     $ 0 $ 0
Average debt outstanding     $ 144,029,000 $ 135,460,000