Investments - Summary of Fair Value of Investments and Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost	$ 70,325	$ 98,719
Marketable securities, Amortized Cost	148,506	139,572
Marketable securities, Unrealized Gains	0	129
Marketable securities, Unrealized Losses	(734)	(89)
Marketable securities, Fair Value	147,772	139,612
Investments, Amortized Cost	167,282	170,511
Investments, Unrealized Gains	0	131
Investments, Unrealized Losses	(734)	(89)
Investments, Fair Value	166,548	170,553
Commercial Paper
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost	13,693	10,795
Cash and cash equivalents, Unrealized Gains	0	0
Cash and cash equivalents, Unrealized Losses	0	0
Cash and cash equivalents, Fair Value	13,693	10,795
Marketable securities, Amortized Cost	16,367	18,147
Marketable securities, Unrealized Gains	0
Marketable securities, Unrealized Losses	(8)	(6)
Marketable securities, Fair Value	16,359	18,141
United States Treasury Securities
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost		9,977
Cash and cash equivalents, Unrealized Gains		2
Cash and cash equivalents, Unrealized Losses		0
Cash and cash equivalents, Fair Value		9,979
Marketable securities, Amortized Cost	73,476	56,795
Marketable securities, Unrealized Gains	0	99
Marketable securities, Unrealized Losses	(393)	(4)
Marketable securities, Fair Value	73,083	56,890
Money Market Funds
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost	5,083	5,976
Cash and cash equivalents, Unrealized Gains	0	0
Cash and cash equivalents, Unrealized Losses	0	0
Cash and cash equivalents, Fair Value	5,083	5,976
Corporate Notes and Bonds
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost		3,349
Cash and cash equivalents, Unrealized Gains		0
Cash and cash equivalents, Unrealized Losses		0
Cash and cash equivalents, Fair Value		3,349
Marketable securities, Amortized Cost	22,595	26,631
Marketable securities, Unrealized Gains	0	14
Marketable securities, Unrealized Losses	(176)	(55)
Marketable securities, Fair Value	22,419	26,590
Cash and Cash Equivalents
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost	18,776	30,939
Cash and cash equivalents, Unrealized Gains	0	2
Cash and cash equivalents, Unrealized Losses	0	0
Cash and cash equivalents, Fair Value	18,776	30,941
Agency Securities
Marketable Securities [Line Items]
Cash and cash equivalents, Amortized Cost		842
Cash and cash equivalents, Unrealized Gains		0
Cash and cash equivalents, Unrealized Losses		0
Cash and cash equivalents, Fair Value		842
Marketable securities, Amortized Cost	36,068	37,999
Marketable securities, Unrealized Gains	0	16
Marketable securities, Unrealized Losses	(157)	(24)
Marketable securities, Fair Value	$ 35,911	$ 37,991

Cash and cash equivalents unrealized gain.

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Investments amortized cost basis.

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