Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands					3 Months Ended	12 Months Ended
	Dec. 14, 2023	Oct. 02, 2023	Apr. 17, 2023	Sep. 16, 2021	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Jul. 31, 2019
Summary Of Significant Accounting Policies [Line Items]
Purchase of treasury stock					$ 100,000
0.375% Convertible Senior Notes due 2024
Summary Of Significant Accounting Policies [Line Items]
Principal amount								$ 287,500
Notes, frequency of periodic payment						semi-annually
Total convertible senior notes					284,600	$ 69,500	$ 284,600
Fair value of convertible senior notes					$ 452,000	109,800	452,000
1.00% Convertible Senior Notes due 2028
Summary Of Significant Accounting Policies [Line Items]
Debt istrument cancelled	$ 309,900
Principal amount	290,100					600,000
Notes for cash	290,100
Total convertible senior notes						510,100
Fair value of convertible senior notes						596,000
1.00% Convertible Senior Notes due 2028 | Private Placement
Summary Of Significant Accounting Policies [Line Items]
Principal amount	600,000
1.00% Convertible Senior Notes due 2028 | Subscription Transaction
Summary Of Significant Accounting Policies [Line Items]
Principal amount	290,100
1.00% Convertible Senior Notes due 2028 | Exchange Transaction
Summary Of Significant Accounting Policies [Line Items]
Debt istrument cancelled	309,900
Exchanged 2019 Notes
Summary Of Significant Accounting Policies [Line Items]
Debt Intrument Exchange Amount	$ 217,700
Avitide, Inc.
Summary Of Significant Accounting Policies [Line Items]
Business combination contingent consideration				$ 88,400		125,000	$ 88,373
Upfront payment				$ 75,000
FlexBiosys, Inc.
Summary Of Significant Accounting Policies [Line Items]
Business combination contingent consideration			$ 6,600			42,000
Upfront payment			$ 29,000
Metenova Holding AB
Summary Of Significant Accounting Policies [Line Items]
Business combination contingent consideration						$ 10,000
Upfront payment		$ 164,500