v3.26.1
FAIR VALUE MEASUREMENTS - Level 3 Rollforward (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Debt and Equity Securities, Realized Gain (Loss)  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, beginning of period $ 518,117 $ 240,321
Purchases of investments 37,514 [1] 76,193 [2]
Proceeds from principal repayments and sales of investments (7,955) [3] (3,750) [4]
Accretion of discount/amortization of premium 253 131
Payment-in-kind 309 164
Net change in unrealized appreciation (depreciation) (3,679) (395)
Net realized gains (losses) 13  
Transfers into/out of Level 3 0 [5] (2,013) [6]
Fair value, end of period 544,572 310,651
Net change in unrealized appreciation (depreciation) from investments still held (3,674) (388)
First Lien Debt    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, beginning of period 516,333 239,278
Purchases of investments 37,514 [1] 76,055 [2]
Proceeds from principal repayments and sales of investments (7,955) [3] (3,750) [4]
Accretion of discount/amortization of premium 253 131
Payment-in-kind 267 141
Net change in unrealized appreciation (depreciation) (3,641) (382)
Net realized gains (losses) 13  
Transfers into/out of Level 3 0 [5] (2,013) [6]
Fair value, end of period 542,784 309,460
Net change in unrealized appreciation (depreciation) from investments still held (3,636) (375)
Other Debt Investments    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, beginning of period 689 630
Purchases of investments 0 [1] 0 [2]
Proceeds from principal repayments and sales of investments 0 [3] 0 [4]
Accretion of discount/amortization of premium 0 0
Payment-in-kind 24 21
Net change in unrealized appreciation (depreciation) (46) (6)
Net realized gains (losses) 0  
Transfers into/out of Level 3 0 [5] 0 [6]
Fair value, end of period 667 645
Net change in unrealized appreciation (depreciation) from investments still held (46) (6)
Equity    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, beginning of period 1,095 413
Purchases of investments 0 [1] 138 [2]
Proceeds from principal repayments and sales of investments 0 [3] 0 [4]
Accretion of discount/amortization of premium 0 0
Payment-in-kind 18 2
Net change in unrealized appreciation (depreciation) 8 (7)
Net realized gains (losses) 0  
Transfers into/out of Level 3 0 [5] 0 [6]
Fair value, end of period 1,121 546
Net change in unrealized appreciation (depreciation) from investments still held $ 8 $ (7)
[1] Purchases may include investments received in corporate actions and restructurings.
[2] Purchases may include investments received in corporate actions and restructurings.
[3] Sales may include investments received in corporate actions and restructurings.
[4] Sales may include investments received in corporate actions and restructurings.
[5] Transfer of portfolio investments within the three-level hierarchy is recorded during the period of such reclassification occurrence at the fair value as of the beginning of the respective period. Generally, reclassifications are primarily due to increase/decrease of price transparency.
[6] Transfer of portfolio investments within the three-level hierarchy is recorded during the period of such reclassification occurrence at the fair value as of the beginning of the respective period. Generally, reclassifications are primarily due to increase/decrease of price transparency.