Agreements - Roche (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Collaborative Agreements disclosures
Non-cash royalty revenue related to sale of future royalties	$ 5,590	$ 31,721
Roche \| KADCYLA
Collaborative Agreements disclosures
Non-cash royalty revenue related to sale of future royalties	$ 13,500	$ 32,200

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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