v3.26.1
RELATED PARTY TRANSACTIONS - Narrative (Details)
3 Months Ended
Apr. 29, 2026
day
Mar. 27, 2025
USD ($)
Feb. 20, 2025
Oct. 18, 2024
USD ($)
Oct. 10, 2024
May 02, 2024
day
May 05, 2020
$ / shares
shares
Mar. 31, 2026
USD ($)
member
$ / shares
Mar. 31, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
Mar. 25, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
$ / shares
Related Party Transaction [Line Items]                        
Incentive fees               $ 5,348,000 $ 4,400,000      
Base management and incentive fees payable               14,124,000   $ 14,360,000    
Administrative service fees               482,000 406,000      
Administrative service fees payable               1,738,000   1,261,000    
Other general and administrative               764,000 678,000      
Other accrued expenses and liabilities               2,509,000   $ 5,150,000    
Directors’ fees and expenses               $ 187,000 $ 148,000      
Preferred stock, outstanding (in shares) | shares                     2,000,000  
Cumulative convertible preferred stock, shares issued upon conversion (in shares) | shares                     3,004,808  
Preferred stock, liquidation preference                     $ 50,000,000  
Net asset value per common share (in dollars per share) | $ / shares               $ 15.89 $ 16.63 $ 16.26 $ 16.64 $ 16.80
Preferred stock dividend               $ 0 $ 826,000      
Payments for merger related costs   $ 5,000,000                    
Private placement                        
Related Party Transaction [Line Items]                        
Sale of stock, number of shares issued | shares             2,000,000          
Preferred stock, par value (in dollars per share) | $ / shares             $ 0.01          
Sale of stock, offering price (in dollars per share) | $ / shares             25          
Related Party                        
Related Party Transaction [Line Items]                        
Other general and administrative               206,000 182,000      
Other accrued expenses and liabilities               406,000   $ 333,000    
Independent Directors                        
Related Party Transaction [Line Items]                        
Other accrued expenses and liabilities               $ 0   $ 0    
Number of board members | member               7        
Number of board members, independent trustees | member               4        
Affiliated Entity | Private placement                        
Related Party Transaction [Line Items]                        
Preferred stock, par value (in dollars per share) | $ / shares             0.01          
Sale of stock, offering price (in dollars per share) | $ / shares             $ 25          
Investment Advisory Agreement | Subsequent event                        
Related Party Transaction [Line Items]                        
Agreement period 1 year                      
Termination notice, number of written days notice threshold | day 60                      
Investment Advisory Agreement | Related Party                        
Related Party Transaction [Line Items]                        
Net asset value multiplier     200.00%                  
Investment Advisory Agreement, First Two Fiscal Quarters | Related Party                        
Related Party Transaction [Line Items]                        
Base management fee rate     1.50%                  
Investment Advisory Agreement, Second Two Fiscal Quarters | Related Party                        
Related Party Transaction [Line Items]                        
Base management fee rate     1.00%                  
Quarterly Hurdle Rate | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     1.50%                  
Annualized Hurdle Rate | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     6.00%                  
Quarterly Catch-up Rate | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     1.82%                  
Annualized Catch-up Rate | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     7.28%                  
Pre-incentive Fee Net Investment Income, Below Catch-up Threshold | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     100.00%                  
Pre-incentive Fee Net Investment Income, Exceeds Catch-up Threshold | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     17.50%                  
Investment Advisory Agreement - Incentive Rate, Realized Capital Gains | Related Party                        
Related Party Transaction [Line Items]                        
Incentive rate     17.50%                  
Investment Advisory Agreement - Incentive Rate, Total Capital Gains                        
Related Party Transaction [Line Items]                        
Incentive fees               $ 0 $ 0      
Administration Agreement                        
Related Party Transaction [Line Items]                        
Termination notice, number of written days notice threshold | day           60            
Administration Agreement | Subsequent event                        
Related Party Transaction [Line Items]                        
Agreement period 1 year                      
State Street Sub-Administration Agreement | Subsequent event                        
Related Party Transaction [Line Items]                        
Agreement period 1 year                      
Termination notice, number of written days notice threshold | day 60                      
Underwriting Services, 2030 Notes | Affiliated Entity                        
Related Party Transaction [Line Items]                        
Management and service fees rate         1.00%              
Payment for management fee       $ 9,000,000.0                
CSL III Merger | Related Party                        
Related Party Transaction [Line Items]                        
Incentive fees   1,413,000                    
Reimbursable expense   $ 1,998,000