v3.26.1
Investments - Schedule of Reconciliation of the Beginning and Ending Balances for Investments (Details) - Level 3 [Member] - USD ($)
$ in Thousands
 3 Months Ended
May 31, 2026
May 31, 2025
Schedule of Investments [Line Items]    
Beginning balance $ 1,061,187 $ 974,997
Payment-in-kind and other adjustments to cost 678 517
Net accretion of discount on investments 813 859
Net change in unrealized appreciation (depreciation) on investments (18,913) 748
Purchases 68,152 37,152
Sales and repayments (48,415) (65,066)
Net realized gain (loss) from investments 150 2,901
Ending balance 1,063,652 952,108
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year (18,929) 2,532
First lien term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 910,991 867,866
Payment-in-kind and other adjustments to cost 368 455
Net accretion of discount on investments 775 854
Net change in unrealized appreciation (depreciation) on investments (11,433) 367
Purchases 67,652 33,796
Sales and repayments (47,777) (61,761)
Net realized gain (loss) from investments
Ending balance 920,576 841,577
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year (11,747) 850
Second lien term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 42,707 6,388
Payment-in-kind and other adjustments to cost 310 267
Net accretion of discount on investments 38 5
Net change in unrealized appreciation (depreciation) on investments (330) (60)
Purchases
Sales and repayments
Net realized gain (loss) from investments
Ending balance 42,725 6,600
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year (330) (60)
Unsecured term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 16,130 16,534
Payment-in-kind and other adjustments to cost
Net accretion of discount on investments
Net change in unrealized appreciation (depreciation) on investments (463) 101
Purchases
Sales and repayments
Net realized gain (loss) from investments
Ending balance 15,667 16,635
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year (463) 102
Structured finance securities [Member]    
Schedule of Investments [Line Items]    
Beginning balance 8,422 14,772
Payment-in-kind and other adjustments to cost (205)
Net accretion of discount on investments
Net change in unrealized appreciation (depreciation) on investments (120) (303)
Purchases
Sales and repayments
Net realized gain (loss) from investments
Ending balance 8,302 14,264
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year 178 (110)
Equity interests [Member]    
Schedule of Investments [Line Items]    
Beginning balance 82,937 69,437
Payment-in-kind and other adjustments to cost
Net accretion of discount on investments
Net change in unrealized appreciation (depreciation) on investments (6,567) 643
Purchases 500 3,356
Sales and repayments (638) (3,305)
Net realized gain (loss) from investments 150 2,901
Ending balance 76,382 73,032
Net change in unrealized appreciation (depreciation) for the year relating to those Level 3 assets that were still held by the Company at the end of the year $ (6,567) $ 1,750