SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Revenue, Major Customer [Line Items]
TOTAL REVENUE, NET	$ 533,423	$ 454,999
Single non-related party
Revenue, Major Customer [Line Items]
TOTAL REVENUE, NET	$ 81,272	$ 84,273

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details