Marketable Securities and Other Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Gain (Loss) on Securities [Line Items]
Unrealized gain (loss) on investments	$ (228)	$ 317	$ (296)
Net realized gains on sale of marketable securities	275	212	0
Dividend received from equity method investment	0	144	$ 313
Accounts receivable	165,481	171,186
Related Party \| EMC
Gain (Loss) on Securities [Line Items]
Accounts receivable	$ 4,250	$ 10,300
EMC
Gain (Loss) on Securities [Line Items]
Equity method investment, ownership percentage	49.00%	49.00%
Equity method investments	$ 4,318	$ 3,377
Investment income, net	933	890
Foreign currency transaction gain (loss), unrealized	8	(18)
Dividend received from equity method investment	$ 0	$ 247

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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