INCOME TAXES - Book and Tax Basis Differences Relating to Dividends and Distributions (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Additional capital
Investment Company, Summary Of Dividends And Distributions, Tax Differences [Line Items]
Total distributable earnings	$ (6,420)	$ (7,648)
Total distributable earnings
Investment Company, Summary Of Dividends And Distributions, Tax Differences [Line Items]
Total distributable earnings	$ 6,420	$ 7,648