v3.26.1
Investments - Schedule of Reconciliation of the Beginning and Ending Balances for Investments (Details) - Level 3 [Member] - USD ($)
$ in Thousands
 12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Schedule of Investments [Line Items]    
Beginning balance $ 974,997 $ 1,129,390
Payment-in-kind and other adjustments to cost 2,585 3,566
Net accretion of discount on investments 3,098 2,808
Net change in unrealized appreciation (depreciation) on investments (1,757) 25,297
Purchases 261,155 168,078
Sales and repayments (184,637) (312,113)
Net realized gain (loss) from investments 5,746 (42,029)
Ending balance 1,061,187 974,997
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 (754) (17,373)
First lien term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 867,866 976,423
Payment-in-kind and other adjustments to cost 1,918 2,409
Net accretion of discount on investments 2,230 2,799
Net change in unrealized appreciation (depreciation) on investments (3,962) 37,778
Purchases 208,408 163,009
Sales and repayments (165,469) (266,880)
Net realized gain (loss) from investments (47,672)
Ending balance 910,991 867,866
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 (5,388) (6,384)
Second lien term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 6,388 18,097
Payment-in-kind and other adjustments to cost 1,147 8,267
Net accretion of discount on investments 10 9
Net change in unrealized appreciation (depreciation) on investments 468 3,165
Purchases 34,694
Sales and repayments (23,150)
Net realized gain (loss) from investments
Ending balance 42,707 6,388
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 468 (71)
Unsecured term loans [Member]    
Schedule of Investments [Line Items]    
Beginning balance 16,534 15,818
Payment-in-kind and other adjustments to cost
Net accretion of discount on investments
Net change in unrealized appreciation (depreciation) on investments (404) 716
Purchases
Sales and repayments
Net realized gain (loss) from investments
Ending balance 16,130 16,534
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 (404) 716
Structured finance securities [Member]    
Schedule of Investments [Line Items]    
Beginning balance 14,772 30,626
Payment-in-kind and other adjustments to cost (480) (7,113)
Net accretion of discount on investments 858
Net change in unrealized appreciation (depreciation) on investments (2,920) (8,741)
Purchases 8,443
Sales and repayments (12,251)
Net realized gain (loss) from investments
Ending balance 8,422 14,772
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 (2,385) (8,741)
Equity interests [Member]    
Schedule of Investments [Line Items]    
Beginning balance 69,437 88,426
Payment-in-kind and other adjustments to cost 3
Net accretion of discount on investments
Net change in unrealized appreciation (depreciation) on investments 5,061 (7,621)
Purchases 9,610 5,069
Sales and repayments (6,917) (22,083)
Net realized gain (loss) from investments 5,746 5,643
Ending balance 82,937 69,437
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 $ 6,955 $ (2,893)