INTANGIBLE ASSETS - Schedule of Amounts Allocated to Intangible Assets from Acquisitions (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, gross	$ 155,858	$ 155,958
Total accumulated amortization	(132,556)	(121,375)
Total intangible assets, net	23,302	34,583
Developed technology, gross
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, gross	101,987	102,076
Total accumulated amortization	(80,810)	(70,743)
Total intangible assets, net	21,177	31,333
Customer relationship/trade name, gross
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, gross	37,871	37,882
Total accumulated amortization	(35,746)	(34,632)
Total intangible assets, net	2,125	3,250
Publisher/data supply relationships, gross
Finite-Lived Intangible Assets [Line Items]
Total intangible assets, gross	16,000	16,000
Total accumulated amortization	(16,000)	(16,000)
Total intangible assets, net	$ 0	$ 0