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Cash, Cash Equivalents, Restricted Cash and Marketable Securities - Summary of Cash, Cash Equivalents and Marketable Securities (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Cash and Cash Equivalents
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	$ 174,350	$ 202,004
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	174,350	202,004
Marketable Securities Available-for-Sale
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	478,346	423,796
Unrealized Gains	71	12
Unrealized Losses	(811)	(1,417)
Estimated Fair Value	477,606	422,391
Marketable Securities Available-for-Sale | Cash and Cash Equivalents
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	652,696	625,800
Unrealized Gains	71	12
Unrealized Losses	(811)	(1,417)
Estimated Fair Value	651,956	624,395
Cash | Cash and Cash Equivalents
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	18,598	29,586
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	18,598	29,586
Money Market Funds | Cash and Cash Equivalents
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	155,752	172,418
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	155,752	172,418
U.S. Treasuries | Marketable Securities Available-for-Sale
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	22,707	42,502
Unrealized Gains	11	0
Unrealized Losses	(21)	(194)
Estimated Fair Value	22,697	42,308
U.S. Government Agency Securities | Marketable Securities Available-for-Sale
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	127,248	88,429
Unrealized Gains	33	0
Unrealized Losses	(356)	(397)
Estimated Fair Value	126,925	88,032
Corporate Debt Securities | Marketable Securities Available-for-Sale
Cash Cash Equivalents And Marketable Securities [Line Items]
Amortized Cost	328,391	292,865
Unrealized Gains	27	12
Unrealized Losses	(434)	(826)
Estimated Fair Value	$ 327,984	$ 292,051

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