v3.26.1
SIGNIFICANT AGREEMENTS AND RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 09, 2026
May 19, 2025
May 27, 2024
Jan. 26, 2024
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Jan. 24, 2025
Dec. 31, 2024
Dec. 31, 2019
Related Party Transaction [Line Items]                              
Management fees, net of waiver         $ 9,182 $ 9,624       $ 18,612 $ 18,601        
Management fees payable         9,182         9,182   $ 9,596      
Income based incentive fees, net of waivers         6,518 9,279       12,318 18,747        
Income based incentive fees payable         6,518         6,518   7,281      
Reversal of capital gains incentive fees         0 0       0 0        
Capital call proceeds received in advance         0         0   0      
Administrative service fees         61 $ 85       122 $ 145        
Payable to affiliates         51         $ 51   $ 91      
Waiver Period, Pre-Incentive Fee Net Investment Income Exceeds Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                       15.00%      
2029 Notes                              
Related Party Transaction [Line Items]                              
Related party fees     $ 210                        
2030 Notes                              
Related Party Transaction [Line Items]                              
Related party fees   $ 210                          
2031 Notes                              
Related Party Transaction [Line Items]                              
Related party fees $ 193                            
Related Party                              
Related Party Transaction [Line Items]                              
Base management fee rate                   1.00%          
Related party fees       $ 1,241                      
Related Party | Annualized hurdle rate                              
Related Party Transaction [Line Items]                              
Incentive rate               6.00% 6.00%            
Related Party | Incentive Fee Rate Realized Capital Gains                              
Related Party Transaction [Line Items]                              
Incentive rate                   17.50%          
Related Party | Waiver Period, Incentive Fee Rate Realized Capital Gains                              
Related Party Transaction [Line Items]                              
Incentive rate                   15.00%          
Related Party | Administration Agreement                              
Related Party Transaction [Line Items]                              
Payable to affiliates         $ 51         $ 51   $ 91      
Related Party | Amended and Restated Investment Advisory Agreement                              
Related Party Transaction [Line Items]                              
Threshold minimum rate for waived portion                         0.75%    
Related Party | Pre-Incentive Fee Rate Quarterly Hurdle Rate                              
Related Party Transaction [Line Items]                              
Incentive rate               1.50% 1.50%            
Related Party | Pre-Incentive Fee Net Investment Income Below Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                 100.00% 100.00%          
Related Party | Pre-Incentive Fee Rate Quarterly Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                   1.8182%          
Related Party | Pre-Incentive Fee Rate Annualized Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                   7.2728%          
Related Party | Pre-Incentive Fee Net Investment Income Exceeds Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                 17.50% 17.50%       17.50%  
Related Party | Pre-Incentive Fee Net Investment Income Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                 17.50%            
Related Party | Pre-Incentive Fee Net Investment Income Incentive Fee Cap                              
Related Party Transaction [Line Items]                              
Incentive rate             17.50%                
Related Party | Waiver Period, Pre-Incentive Fee Net Investment Income Exceeds Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                   15.00%          
Related Party | Waiver Period, Pre-Incentive Fee Rate Quarterly Catch Up Threshold                              
Related Party Transaction [Line Items]                              
Incentive rate                   1.7647%          
MS Credit Partners Holdings [Member]                              
Related Party Transaction [Line Items]                              
Unfunded commitments                             $ 200,000
MS Credit Partners Holdings [Member] | Morgan Stanley Direct Lending Fund                              
Related Party Transaction [Line Items]                              
Ownership percentage                   11.50%   11.30%