INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025
Deferred tax asset:
Net operating loss carryforwards	$ 253	$ 253
Interest	1,811	1,811
Total deferred tax asset	2,064	2,064
Deferred tax liabilities:
Net unrealized appreciation on investments	(11,466)	(15,054)
Net basis differences in portfolio investments	(3,517)	(3,790)
Total deferred tax liabilities	(14,983)	(18,844)
Total net deferred tax (liabilities) assets	$ (12,919)	$ (16,780)