Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS - Revolving Line of Credit Narrative (Details)

v3.24.0.1
BORROWINGS - Revolving Line of Credit Narrative (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Oct. 30, 2023
Apr. 10, 2023
Dec. 31, 2023
Mar. 31, 2023
Oct. 29, 2023
Debt Instrument [Line Items]          
Indebtedness asset coverage on our senior securities     206.90% 244.70%  
Revolving Line of Credit | Line of Credit          
Debt Instrument [Line Items]          
Unused fee percentage       1.00%  
Credit Facility          
Debt Instrument [Line Items]          
Term 2 years        
Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Unused fee percentage     0.50%    
Credit Facility | Revolving Line of Credit | Line of Credit          
Debt Instrument [Line Items]          
Commitment amount $ 135,000   $ 135,000 $ 180,000 $ 180,000
Covenant, required minimum net worth of mandatory redeemable term preferred stock     $ 210,000    
Covenant, required minimum net worth of mandatory redeemable term preferred stock, plus percent of all equity and subordinated debt raised     50.00%    
Covenant, required minimum net worth of mandatory redeemable term preferred stock, minus percent of any equity or subordinated debt redeemed or retired     50.00%    
Covenant, required minimum net worth of mandatory redeemable term preferred stock, plus percent of all equity and subordinated debt raised, minus percent of any equity or subordinated debt redeemed or retired     $ 339,000    
Indebtedness asset coverage on our senior securities     206.90%    
Senior security, indebtedness, asset coverage amount     $ 789,800    
Credit Facility | Revolving Line of Credit | Line of Credit | Minimum          
Debt Instrument [Line Items]          
Indebtedness asset coverage on our senior securities     150.00%    
Credit Facility | Revolving Line of Credit | Line of Credit | Less than or Equal to 50% of Commitment          
Debt Instrument [Line Items]          
Unused fee percentage 0.50%        
Credit Facility | Revolving Line of Credit | Line of Credit | Greater Than 50% But Less Than or Equal to 65% of Commitment          
Debt Instrument [Line Items]          
Unused fee percentage 0.75%        
Credit Facility | Revolving Line of Credit | Line of Credit | Greater Than 65% Of Commitment          
Debt Instrument [Line Items]          
Unused fee percentage 1.00%        
Credit Facility | Revolving Line of Credit | Line of Credit | Secured Overnight Financing Rate (SOFR)          
Debt Instrument [Line Items]          
Debt instrument, variable rate floor 0.35%   0.35%    
Debt instrument, basis spread on variable rate   0.11% 3.25%    
Credit Facility | Revolving Line of Credit | Line of Credit | SOFR, Tranche One          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 3.15%        
Credit Facility | Revolving Line of Credit | Line of Credit | SOFR, Tranche Two          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 3.40%        
Credit Facility | Revolving Line of Credit | Line of Credit | SOFR, Thereafter          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 3.65%        
Credit Facility | Revolving Line of Credit | Line of Credit | SOFR, Thereafter, Adjustment          
Debt Instrument [Line Items]          
Debt instrument, basis spread on variable rate 0.10%