v3.26.1
FAIR VALUE MEASUREMENTS - Level 3 Rollforward (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 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)   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 $ 544,572 $ 310,651 $ 518,117 $ 240,321
Purchases of investments 30,167 [1] 48,872 [2] 67,681 [3] 125,064 [4]
Proceeds from principal repayments and sales of investments (23,067) [5] (4,927) [6] (31,022) [7] (8,677) [8]
Accretion of discount/amortization of premium 429 158 682 290
Payment-in-kind 422 127 731 291
Net change in unrealized appreciation (depreciation) (1,796) 480 (5,475) 85
Net realized gains (losses) (325)   (312)  
Transfers into/out of Level 3 2,733 [9] 0 [10] 2,733 [11] (2,013) [12]
Fair value, end of period 553,135 355,361 553,135 355,361
Net change in unrealized appreciation (depreciation) from investments still held (1,755) 494 (5,429) 103
First Lien Debt        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value, beginning of period 542,784 309,460 516,333 239,278
Purchases of investments 29,575 [1] 48,872 [2] 67,089 [3] 124,926 [4]
Proceeds from principal repayments and sales of investments (23,010) [5] (4,927) [6] (30,965) [7] (8,677) [8]
Accretion of discount/amortization of premium 428 158 681 289
Payment-in-kind 368 103 635 244
Net change in unrealized appreciation (depreciation) (1,754) 519 (5,395) 138
Net realized gains (losses) (326)   (313)  
Transfers into/out of Level 3 2,733 [9] 0 [10] 2,733 [11] (2,013) [12]
Fair value, end of period 550,798 354,185 550,798 354,185
Net change in unrealized appreciation (depreciation) from investments still held (1,713) 533 (5,349) 156
Other Debt Investments        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value, beginning of period 667 645 689 630
Purchases of investments 0 [1] 0 [2] 0 [3] 0 [4]
Proceeds from principal repayments and sales of investments 0 [5] 0 [6] 0 [7] 0 [8]
Accretion of discount/amortization of premium 1 0 1 1
Payment-in-kind 24 22 48 42
Net change in unrealized appreciation (depreciation) (55) (8) (101) (14)
Net realized gains (losses) 0   0  
Transfers into/out of Level 3 0 [9] 0 [10] 0 [11] 0 [12]
Fair value, end of period 637 659 637 659
Net change in unrealized appreciation (depreciation) from investments still held (55) (8) (101) (14)
Equity        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value, beginning of period 1,121 546 1,095 413
Purchases of investments 592 [1] 0 [2] 592 [3] 138 [4]
Proceeds from principal repayments and sales of investments (57) [5] 0 [6] (57) [7] 0 [8]
Accretion of discount/amortization of premium 0 0 0 0
Payment-in-kind 30 2 48 5
Net change in unrealized appreciation (depreciation) 13 (31) 21 (39)
Net realized gains (losses) 1   1  
Transfers into/out of Level 3 0 [9] 0 [10] 0 [11] 0 [12]
Fair value, end of period 1,700 517 1,700 517
Net change in unrealized appreciation (depreciation) from investments still held $ 13 $ (31) $ 21 $ (39)
[1] Purchases may include investments received in corporate actions and restructurings.
[2] Purchases may include investments received in corporate actions and restructurings.
[3] Purchases may include investments received in corporate actions and restructurings.
[4] Purchases may include investments received in corporate actions and restructurings.
[5] Sales may include investments received in corporate actions and restructurings.
[6] Sales may include investments received in corporate actions and restructurings.
[7] Sales may include investments received in corporate actions and restructurings.
[8] Sales may include investments received in corporate actions and restructurings.
[9] 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.
[10] 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.
[11] 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.
[12] 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.