Investments (Details) - Schedule of investments at amortized cost and fair value - USD ($) $ in Thousands	Feb. 28, 2023	Feb. 28, 2022
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 966,489	$ 796,248
Amortized Cost Percentage of Total Portfolio	100.00%	100.00%
Investments at Fair Value	$ 972,590	$ 817,567
Fair Value Percentage of Total Portfolio	100.00%	100.00%
First lien Term Loans [Member]
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 808,464	$ 631,037
Amortized Cost Percentage of Total Portfolio	83.70%	79.30%
Investments at Fair Value	$ 798,534	$ 631,572
Fair Value Percentage of Total Portfolio	82.10%	77.30%
Second Lien Term Loans [Member]
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 21,114	$ 49,862
Amortized Cost Percentage of Total Portfolio	2.20%	6.30%
Investments at Fair Value	$ 14,936	$ 44,386
Fair Value Percentage of Total Portfolio	1.50%	5.40%
Unsecured term loans [Member]
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 21,001	$ 16,104
Amortized Cost Percentage of Total Portfolio	2.20%	2.00%
Investments at Fair Value	$ 20,661	$ 15,931
Fair Value Percentage of Total Portfolio	2.10%	1.90%
Structured Finance Securities [Member]
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 49,711	$ 41,648
Amortized Cost Percentage of Total Portfolio	5.10%	5.20%
Investments at Fair Value	$ 41,362	$ 38,030
Fair Value Percentage of Total Portfolio	4.30%	4.70%
Equity Interests [Member]
Servicing Asset at Amortized Cost [Line Items]
Investments at Amortized Cost	$ 66,199	$ 57,597
Amortized Cost Percentage of Total Portfolio	6.80%	7.20%
Investments at Fair Value	$ 97,097	$ 87,648
Fair Value Percentage of Total Portfolio	10.00%	10.70%