Convertible Senior Notes - Convertible Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Dec. 14, 2023
Debt Instrument [Line Items]
Total convertible senior notes	$ 517,725	$ 510,143
1.00% Convertible Senior Notes due 2028
Debt Instrument [Line Items]
Principal amount	600,000	600,000	$ 309,900
Unamortized debt discount	(74,733)	(81,457)
Unamortized debt issuance costs	(7,542)	(8,400)
Total convertible senior notes	517,725	510,143
0.375% Convertible Senior Notes due 2024
Debt Instrument [Line Items]
Principal amount	69,504	69,700	$ 217,700
Unamortized debt issuance costs	(23)	(248)
Total convertible senior notes	$ 69,481	$ 69,452