Quarterly report pursuant to Section 13 or 15(d)

RELATED PARTY TRANSACTIONS (Details)

v3.23.1
RELATED PARTY TRANSACTIONS (Details)
 3 Months Ended
Oct. 30, 2020
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Oct. 30, 2021
component
Related Party Transaction [Line Items]        
Services expenses   $ 4,855,000 $ 4,990,000  
Waiver of internal administrative services expenses   1,889,000 1,030,000  
Affiliated Entity | MSC Income | Advisory Agreement        
Related Party Transaction [Line Items]        
Base fee rate 1.75%      
Number of components related to incentive fee | component       2
Affiliated Entity | MSC Income | Advisory Agreement, Incentive Rate, Pre-Incentive Fee Net Investment Income        
Related Party Transaction [Line Items]        
Incentive fee rate 20.00%      
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Rate, Quarterly Hurdle Rate        
Related Party Transaction [Line Items]        
Incentive fee rate 1.875%      
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Rate, Annualized Hurdle Rate        
Related Party Transaction [Line Items]        
Incentive fee rate 7.50%      
Affiliated Entity | MSC Income | Advisory Agreement, Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold        
Related Party Transaction [Line Items]        
Incentive fee rate 100.00%      
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Rate, Quarterly Catch-Up Threshold        
Related Party Transaction [Line Items]        
Incentive fee rate 2.34375%      
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Rate, Annualized Catch-Up Threshold        
Related Party Transaction [Line Items]        
Incentive fee rate 9.375%      
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold        
Related Party Transaction [Line Items]        
Incentive fee rate 20.00%      
Affiliated Entity | MSC Income | Advisory Agreement - Base Management Fees        
Related Party Transaction [Line Items]        
Services expenses   4,900,000 5,000,000  
Affiliated Entity | MSC Income | Advisory Agreement - Subordinated Incentive Fees        
Related Party Transaction [Line Items]        
Services expenses   2,700,000 0  
Affiliated Entity | MSC Income | Advisory Agreement - Incentive Fees, Capital Gains        
Related Party Transaction [Line Items]        
Services expenses   0 0  
Affiliated Entity | MSC Income | Advisory Agreement - Internal Administrative Services        
Related Party Transaction [Line Items]        
Services expenses   2,000,000 1,200,000  
Waiver of internal administrative services expenses   $ 1,900,000 1,000,000  
Affiliated Entity | MSC Income - HMS Adviser | Offering Costs        
Related Party Transaction [Line Items]        
Percentage of payment of offering costs   1.50%    
Due to affiliate   $ 600,000    
Fee paid indirectly   100,000 $ 100,000  
Excess expense reimbursable   $ 100,000