INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Deferred tax asset:
Net operating loss carryforwards	$ 261	$ 159
Interest	1,811	965
Total deferred tax asset	2,072	1,124
Deferred tax liabilities:
Net unrealized appreciation on investments	(14,115)	(11,395)
Net basis differences in portfolio investments	(3,586)	(1,726)
Total deferred tax liabilities	(17,701)	(13,121)
Total net deferred tax (liabilities) assets	$ (15,629)	$ (11,997)