INCOME TAXES - Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Deferred tax asset:
Net operating loss carryforwards	$ 0	$ 0
Interest	276	219
Total deferred tax asset	276	219
Deferred tax liabilities:
Net unrealized appreciation on investments	(11,433)	(11,413)
Net basis differences in portfolio investments	(698)	(923)
Total deferred tax liabilities	(12,131)	(12,336)
Total net deferred tax (liabilities) assets	$ (11,855)	$ (12,117)