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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 112,818	$ 154,783	$ 50,210
Other comprehensive income (loss)
Change in unrealized gain (loss) on available-for-sale-securities, net of tax benefit (provision) of $(425), $5,199, and $0, respectively	1,211	(15,273)	(21)
Comprehensive income	$ 114,029	$ 139,510	$ 50,189

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