Revenue - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 208,976	$ 115,830	$ 478,620	$ 341,307
Royalties
Disaggregation of Revenue [Line Items]
Total revenues	99,551	58,563	254,496	141,264
Product sales, net
Disaggregation of Revenue [Line Items]
Total revenues	61,427	25,047	129,867	77,173
bulk rHuPH20
Disaggregation of Revenue [Line Items]
Total revenues	19,259	18,862	60,764	59,719
Proprietary Products Sales
Disaggregation of Revenue [Line Items]
Total revenues	24,180	6,185	44,559	17,454
Device Partnered Products
Disaggregation of Revenue [Line Items]
Total revenues	17,988	0	24,544	0
Collaborative Agreements
Disaggregation of Revenue [Line Items]
Total revenues	47,998	32,220	94,257	122,870
Upfront License Fees
Disaggregation of Revenue [Line Items]
Total revenues	0	2,000	30,000	42,000
Event-Based Development Fees
Disaggregation of Revenue [Line Items]
Total revenues	44,000	0	59,000	30,000
Sales-based milestone
Disaggregation of Revenue [Line Items]
Total revenues	0	30,000	0	50,000
Device Licensing and development revenue
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,998	$ 220	$ 5,257	$ 870