Restatement of Previously Issued Financial Statements - Schedule of Restatement of Previously Issued Financial Statements - Condensed Consolidated Comprehensive Income (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 141,192	$ 200,741	$ 465,741	$ 614,774
Costs and operating expenses:
Cost of product revenue	104,634	86,514	265,786	255,130
Research and development	10,577	10,228	32,437	32,823
Selling, general and administrative	55,582	53,643	160,954	162,592
Contingent consideration	(34,292)	(2,309)	(31,266)	(11,604)
Total costs and operating expenses	136,501	148,076	427,911	438,941
Income from operations	4,691	52,665	37,830	175,833
Other income (expenses):
Investment income	6,662	2,177	18,112	2,962
Interest expense	(408)	(329)	(1,227)	(892)
Amortization of debt issuance costs	(459)	(455)	(1,373)	(1,360)
Other income (expenses)	895	(6,591)	1,500	(10,389)
Other income (expenses), net	6,690	(5,198)	17,012	(9,679)
Income before income taxes	11,381	47,467	54,842	166,154
Income tax (benefit) provision	(5,542)	7,062	2,796	28,924
Net income	$ 16,923	$ 40,405	$ 52,046	$ 137,230
Earnings Per Share [Abstract]
Basic	$ 0.3	$ 0.73	$ 0.93	$ 2.48
Diluted (Note 13)	$ 0.3	$ 0.71	$ 0.91	$ 2.39
Weighted average common shares outstanding:
Basic	55,766	55,498	55,688	55,432
Diluted (Note 13)	56,940	57,304	56,933	57,598
Net Income (Loss)	$ 16,923	$ 40,405	$ 52,046	$ 137,230
Other comprehensive income (loss):
Foreign currency translation adjustment	(5,880)	(18,170)	(8,972)	(38,375)
Comprehensive income	11,043	22,235	43,074	98,855
Product [Member]
Revenue:
Total revenue	141,156	200,708	465,630	614,668
Royalty [Member]
Revenue:
Total revenue	36	$ 33	111	$ 106
As Previously Reported
Revenue:
Total revenue	141,192		483,021
Costs and operating expenses:
Cost of product revenue	104,634		265,786
Research and development	10,577		32,437
Selling, general and administrative	55,465		160,601
Contingent consideration	(34,292)		(31,266)
Total costs and operating expenses	136,384		427,558
Income from operations	4,808		55,463
Other income (expenses):
Investment income	6,662		18,112
Interest expense	(269)		(813)
Amortization of debt issuance costs	(459)		(1,373)
Other income (expenses)	895		1,500
Other income (expenses), net	6,829		17,426
Income before income taxes	11,637		72,889
Income tax (benefit) provision	(6,535)		5,824
Net income	$ 18,172		$ 67,065
Earnings Per Share [Abstract]
Basic	$ 0.33		$ 1.2
Diluted (Note 13)	$ 0.32		$ 1.18
Weighted average common shares outstanding:
Basic	55,766		55,688
Diluted (Note 13)	56,940		56,933
Net Income (Loss)	$ 18,172		$ 67,065
Other comprehensive income (loss):
Foreign currency translation adjustment	(6,382)		(9,177)
Comprehensive income	11,790		57,888
As Previously Reported | Product [Member]
Revenue:
Total revenue	141,156		482,910
As Previously Reported | Royalty [Member]
Revenue:
Total revenue	36		111
Revenue Adjustments
Revenue:
Total revenue	0		(17,280)
Costs and operating expenses:
Cost of product revenue	0		0
Research and development	0		0
Selling, general and administrative	0		0
Contingent consideration	0		0
Total costs and operating expenses	0		0
Income from operations	0		(17,280)
Other income (expenses):
Investment income	0		0
Interest expense	0		0
Amortization of debt issuance costs	0		0
Other income (expenses)	0		0
Other income (expenses), net	0		0
Income before income taxes	0		(17,280)
Income tax (benefit) provision	1,053		(2,849)
Net income	$ (1,053)		$ (14,431)
Earnings Per Share [Abstract]
Basic	$ (0.02)		$ (0.26)
Diluted (Note 13)	$ (0.02)		$ (0.25)
Weighted average common shares outstanding:
Basic	0		0
Diluted (Note 13)	0		0
Net Income (Loss)	$ (1,053)		$ (14,431)
Other comprehensive income (loss):
Foreign currency translation adjustment	502		205
Comprehensive income	(551)		(14,226)
Revenue Adjustments | Product [Member]
Revenue:
Total revenue	0		(17,280)
Revenue Adjustments | Royalty [Member]
Revenue:
Total revenue	0		0
Other Adjustments
Revenue:
Total revenue	0		0
Costs and operating expenses:
Cost of product revenue	0		0
Research and development	0		0
Selling, general and administrative	117		353
Contingent consideration	0		0
Total costs and operating expenses	117		353
Income from operations	(117)		(353)
Other income (expenses):
Investment income	0		0
Interest expense	(139)		(414)
Amortization of debt issuance costs	0		0
Other income (expenses)	0		0
Other income (expenses), net	(139)		(414)
Income before income taxes	(256)		(767)
Income tax (benefit) provision	(60)		(179)
Net income	$ (196)		$ (588)
Earnings Per Share [Abstract]
Basic	$ (0.01)		$ (0.01)
Diluted (Note 13)	$ 0		$ (0.02)
Weighted average common shares outstanding:
Basic	0		0
Diluted (Note 13)	0		0
Net Income (Loss)	$ (196)		$ (588)
Other comprehensive income (loss):
Foreign currency translation adjustment	0		0
Comprehensive income	(196)		(588)
Other Adjustments | Product [Member]
Revenue:
Total revenue	0		0
Other Adjustments | Royalty [Member]
Revenue:
Total revenue	$ 0		$ 0