Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets, Gross Carrying Amount	$ 28,118	$ 28,118
Finite Lived Intangible Assets, Accumulated Amortization	1,686	422
Intangible assets, net	26,432	27,696
Intangible Assets, Gross Carrying Amount	64,668	67,413
Intangible assets, Net Book Value	62,982	66,991
Acquired IPR&D assets
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets, Gross Carrying Amount	36,550	39,295
Indefinite-Lived Intangible Assets, Net Book Value	36,550	39,295
Acquired license agreement
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets, Gross Carrying Amount	26,685	26,685
Finite Lived Intangible Assets, Accumulated Amortization	1,575	398
Intangible assets, net	25,110	26,287
In Place Lease
Schedule Of Finite And Indefinite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets, Gross Carrying Amount	1,433	1,433
Finite Lived Intangible Assets, Accumulated Amortization	111	24
Intangible assets, net	$ 1,322	$ 1,409