BORROWINGS - Corporate Credit Facility and Special Purpose Vehicle Financing Credit Facility (Details) - Line of Credit - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Corporate Credit Facility
Line of Credit Facility [Line Items]
Weighted average effective interest rate	7.20%		7.54%
Average borrowings	$ 283,900		$ 190,300
Corporate Credit Facility | Corporate Credit Facility
Line of Credit Facility [Line Items]
Interest expense and unused commitment fees	3,694	$ 4,712	11,470	$ 13,232
Amortization of deferred financing costs	577	526	1,684	1,266
Total interest and amortization of deferred financing costs	$ 4,271	$ 5,238	$ 13,154	$ 14,498
Weighted average effective interest rate	7.19%	7.88%	7.53%	7.61%
Average borrowings	$ 179,511	$ 224,728	$ 134,665	$ 162,915
Secured Debt | SPV Credit Facility
Line of Credit Facility [Line Items]
Interest expense and unused commitment fees	2,147	0	5,067	0
Amortization of deferred financing costs	114	0	318	0
Total interest and amortization of deferred financing costs	$ 2,261	$ 0	$ 5,385	$ 0
Weighted average effective interest rate	7.23%	0.00%	7.54%	0.00%
Average borrowings	$ 104,435	$ 0	$ 55,664	$ 0