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Marketable Securities and Other Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Gain (Loss) on Securities [Line Items]
Unrealized gain (loss) on investments	$ 660	$ 362	$ 390	$ (558)
Dividend received from equity method investment			144	$ 313
Accounts receivable balance	173,411		173,411		$ 151,451
Related Party | EMC
Gain (Loss) on Securities [Line Items]
Accounts receivable balance	$ 8,105		$ 8,105		5,083
EMC
Gain (Loss) on Securities [Line Items]
Ownership interest	49.00%	49.00%	49.00%	49.00%
Carrying values of investments	$ 3,132		$ 3,132		$ 2,752
Investment income	$ 5	$ 142	589	$ 209
Dividend received from equity method investment			$ 247	$ 313

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