Quarterly report [Sections 13 or 15(d)]

DEBT - SPV Facility (Details)

v3.25.1
DEBT - SPV Facility (Details)
 3 Months Ended
Mar. 31, 2025
USD ($)
lender
Mar. 31, 2024
Sep. 30, 2024
USD ($)
Aug. 31, 2024
USD ($)
MSCC Funding I, LLC        
Line of Credit Facility [Line Items]        
Average interest rate (as a percent) 6.70% 7.90%    
Revolving Credit Facility | Line of Credit        
Line of Credit Facility [Line Items]        
Commitment fee (as a percentage) 3.40%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC        
Line of Credit Facility [Line Items]        
Line of credit facility $ 600,000,000.0   $ 600,000,000.0 $ 430,000,000.0
Line of credit facility, maximum borrowing capacity including accordion feature $ 800,000,000   $ 800,000,000.0  
Debt instrument, basis spread on variable rate (as a percent) 2.35%      
Interest rate (as a percent) 6.70%      
Debt instrument, number of lenders | lender 6      
Line of credit facility, unused capacity, commitment fee (as a percent) 0.50%      
Commitment fee (as a percentage) 35.00%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC | Minimum        
Line of Credit Facility [Line Items]        
Line of credit facility, unused capacity, commitment fee (as a percent) 0.50%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC | Maximum        
Line of Credit Facility [Line Items]        
Line of credit facility, unused capacity, commitment fee (as a percent) 0.75%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC | Margin Effective Period One        
Line of Credit Facility [Line Items]        
Debt instrument, basis spread on variable rate (as a percent) 2.50%      
Debt instrument, credit spread adjustment (as a percent) 0.10%      
Average interest rate (as a percent) 2.60%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC | Margin Effective Period Two        
Line of Credit Facility [Line Items]        
Average interest rate (as a percent) 2.625%      
Interest rate (as a percent) 2.475%      
Revolving Credit Facility | SPV Facility | Line of Credit | MSCC Funding I, LLC | Margin Effective Period Three        
Line of Credit Facility [Line Items]        
Debt instrument, basis spread on variable rate (as a percent) 2.60%      
Average interest rate (as a percent) 2.75%