FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022
ASSETS:
Cash and cash equivalents	$ 332,502	$ 636,161
Available-for-sale securities	42,144	67,037
Derivative financial instruments		20
Total assets	374,646	703,218
LIABILITIES:
Derivative financial instruments	(91)	(78)
Total liabilities	(91)	(78)
U.S. government and municipal obligations
ASSETS:
Available-for-sale securities	14,938	40,863
Commercial paper
ASSETS:
Available-for-sale securities	21,035	23,353
Corporate bonds
ASSETS:
Available-for-sale securities	824	821
Certificate of deposits
ASSETS:
Available-for-sale securities	5,347	2,000
Level 1
ASSETS:
Cash and cash equivalents	291,084	617,734
Derivative financial instruments		0
Total assets	304,841	659,418
LIABILITIES:
Derivative financial instruments	0	0
Total liabilities	0	0
Level 1 \| U.S. government and municipal obligations
ASSETS:
Available-for-sale securities	12,933	40,863
Level 1 \| Commercial paper
ASSETS:
Available-for-sale securities	0	0
Level 1 \| Corporate bonds
ASSETS:
Available-for-sale securities	824	821
Level 1 \| Certificate of deposits
ASSETS:
Available-for-sale securities	0	0
Level 2
ASSETS:
Cash and cash equivalents	41,418	18,427
Derivative financial instruments		20
Total assets	69,805	43,800
LIABILITIES:
Derivative financial instruments	(91)	(78)
Total liabilities	(91)	(78)
Level 2 \| U.S. government and municipal obligations
ASSETS:
Available-for-sale securities	2,005	0
Level 2 \| Commercial paper
ASSETS:
Available-for-sale securities	21,035	23,353
Level 2 \| Corporate bonds
ASSETS:
Available-for-sale securities	0	0
Level 2 \| Certificate of deposits
ASSETS:
Available-for-sale securities	5,347	2,000
Level 3
ASSETS:
Cash and cash equivalents	0	0
Derivative financial instruments		0
Total assets	0	0
LIABILITIES:
Derivative financial instruments	0	0
Total liabilities	0	0
Level 3 \| U.S. government and municipal obligations
ASSETS:
Available-for-sale securities	0	0
Level 3 \| Commercial paper
ASSETS:
Available-for-sale securities	0	0
Level 3 \| Corporate bonds
ASSETS:
Available-for-sale securities	0	0
Level 3 \| Certificate of deposits
ASSETS:
Available-for-sale securities	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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