BORROWINGS - Corporate Credit Facility and Special Purpose Vehicle Financing Credit Facility (Details) - Line of Credit - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Corporate Credit Facility
Line of Credit Facility [Line Items]
Weighted average interest rate	6.73%
Average borrowings	$ 319,700
Corporate Credit Facility | Corporate Credit Facility
Line of Credit Facility [Line Items]
Interest expense	3,462	$ 3,694
Unused commitment and other fees	434	393
Amortization of deferred financing costs	609	548
Total interest and amortization of deferred financing costs	$ 4,505	$ 4,635
Weighted average interest rate	6.65%	7.75%
Average borrowings	$ 208,297	$ 190,604
SPV Credit Facility | SPV Credit Facility
Line of Credit Facility [Line Items]
Interest expense	1,916	916
Unused commitment and other fees	306	300
Amortization of deferred financing costs	114	90
Total interest and amortization of deferred financing costs	$ 2,336	$ 1,306
Weighted average interest rate	6.88%	7.92%
Average borrowings	$ 111,429	$ 46,275