Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 117,673
Accumulated amortization	4,985
Net book value	112,688	$ 115,153
License
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	35,873
Accumulated amortization	4,125
Net book value	31,748
Technology
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	41,400
Accumulated amortization	860
Net book value	40,540
IPR&D
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	40,400
Net book value	$ 40,400