BORROWINGS - SBA Debentures (Details) - SBA Debentures - Unsecured Debt - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Interest expense and fees	$ 1,695	$ 1,356	$ 3,372	$ 2,576
Amortization of deferred financing costs	184	146	368	289
Total interest and amortization of deferred financing costs	$ 1,879	$ 1,502	$ 3,740	$ 2,865
Weighted average effective interest rate	4.43%	4.23%	4.41%	4.09%
Average borrowings	$ 153,000	$ 128,207	$ 153,000	$ 125,956