v3.26.1
BORROWINGS - Schedule of Components of Interest Expense and Debt Financing Expenses (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Instrument [Line Items]        
Borrowing interest expense $ 15,748,000 $ 19,283,000 $ 31,875,000 $ 37,718,000
Unused fees 239,000 204,000 471,000 471,000
Accretion of original issue discount 27,000 28,000 55,000 49,000
Amortization of deferred financing or issuance costs 564,000 593,000 1,932,000 2,549,000
Net fair value adjustment for hedging transaction (13,000) (3,000) (19,000) (39,000)
Total interest and debt financing expenses $ 16,565,000 $ 20,105,000 $ 34,314,000 $ 40,748,000
Average interest rate 5.72% 6.62% 5.80% 6.59%
Average daily borrowings $ 1,121,085,000 $ 1,180,578,000 $ 1,124,134,000 $ 1,168,419,000
2030 Notes | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense     0 396,000
Unused fees     0 55,000
Amortization of deferred financing or issuance costs     0 734,000
Total interest and debt financing expenses 0 0 0 1,185,000
Revolving Credit Facility | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense 1,094,000 2,245,000 2,277,000 4,302,000
Unused fees 239,000 204,000 471,000 416,000
Amortization of deferred financing or issuance costs 118,000 119,000 235,000 235,000
Total interest and debt financing expenses 1,451,000 2,568,000 2,983,000 4,953,000
CLO-I | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense 4,143,000 4,753,000 8,275,000 9,796,000
Amortization of deferred financing or issuance costs 83,000 82,000 165,000 873,000
Total interest and debt financing expenses 4,226,000 4,835,000 8,440,000 10,669,000
CLO-II | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense 2,750,000 3,663,000 5,814,000 7,338,000
Amortization of deferred financing or issuance costs 73,000 104,000 955,000 175,000
Total interest and debt financing expenses 2,823,000 3,767,000 6,769,000 7,513,000
CLO-III | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense 3,120,000 3,459,000 6,232,000 6,932,000
Amortization of deferred financing or issuance costs 99,000 99,000 198,000 198,000
Total interest and debt financing expenses 3,219,000 3,558,000 6,430,000 7,130,000
2030 Notes | Credit Facility | Secured Debt        
Debt Instrument [Line Items]        
Borrowing interest expense 4,641,000 5,163,000 9,277,000 8,954,000
Accretion of original issue discount 27,000 28,000 55,000 49,000
Amortization of deferred financing or issuance costs 191,000 189,000 379,000 334,000
Net fair value adjustment for hedging transaction (13,000) (3,000) (19,000) (39,000)
Total interest and debt financing expenses $ 4,846,000 $ 5,377,000 $ 9,692,000 $ 9,298,000