Convertible Senior Notes - Carrying Value of Convertible Senior Notes (Detail) - 0.375% Convertible Senior Notes due 2024 - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Principal amount	$ 287,470	$ 287,489
Unamortized debt discount	0	(28,220)
Unamortized debt issuance costs	(2,855)	(4,011)
Total convertible senior notes	$ 284,615	$ 255,258

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Balance Type:	credit
Period Type:	instant