Commitments and Contingencies - Additional Information (Details)			6 Months Ended	12 Months Ended
	Jan. 11, 2021 USD ($) ft²	Dec. 17, 2020 ft²	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Build-to-suit lease liability			$ 26,209,000
Dallas Lease
Loss Contingencies [Line Items]
Lease construction incentive			600,000
Durham Lease
Loss Contingencies [Line Items]
Number of operating lease landlord square feet manufacturing facility | ft²		187,500
Operating lease commencement date		Apr. 01, 2021
Operating lease term of contract		15 years 6 months
Operating lease extend term of contract		5 years
Operating leases initial direct costs				$ 800,000
Build-to-suit asset			26,300,000
Build-to-suit lease liability			26,300,000
Equipment purchases and build-out of leased Facility			$ 4,000,000.0
Dallas Lease | Pegasus Park L L C
Loss Contingencies [Line Items]
Number of operating lease landlord square feet manufacturing facility | ft²	15,000
Operating lease commencement date	May 27, 2021
Operating lease term of contract	10 years
Operating lease extend term of contract	5 years
Lease, option to extend description	Company has an option to extend the term of the Dallas Lease for one additional period of five years.
Lease, option to extend	true
Obligation for payment of initial base rent for office space	$ 32,500,000
Maximum estimated monthly base rent increase annually during term of lease	50,000,000
Security deposit	$ 32,500,000
Maximum construction allowance provided by landlord per rentable square foot | ft²	40.00
Future minimum lease payments	$ 4,900,000