v3.26.1
BORROWINGS - Components of Interest Expense - Credit Facility (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Line of Credit Facility [Line Items]      
Amortization of deferred financing costs and debt issuance costs   $ 855 $ 721
Cash paid for interest expense and credit facility fees   30,810 21,735
Securitizations | Credit Facility | Line of Credit      
Line of Credit Facility [Line Items]      
Interest expense   5,368 4,494
Facility unused commitment fee   501 543
Amortization of deferred financing costs and debt issuance costs   283 221
Total interest expense and credit facility fees   6,152 5,258
Cash paid for interest expense and credit facility fees   6,355 4,544
Weighted average debt principal outstanding   $ 425,994 $ 292,057
Weighted average interest rate   5.04% 6.15%
Securitizations | CSL III SPV Credit Facility | Line of Credit      
Line of Credit Facility [Line Items]      
Interest expense $ 205    
Facility unused commitment fee 2    
Total interest expense and credit facility fees 207    
Cash paid for interest expense and credit facility fees 0    
Weighted average debt principal outstanding $ 206,000    
Weighted average interest rate 7.17%