COMMITMENTS AND CONTINGENCIES - Unfunded Debt Commitments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	$ 130,862	$ 124,637
2024
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	11,566	31,625
2025
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	15,911	10,637
2026
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	10,021	6,712
2027
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	35,880	38,062
2028
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	39,149	35,318
2029
Gain Contingencies [Line Items]
Total Unfunded Debt Commitments	$ 18,335	$ 2,283