Nature of Business and Accounting Policies - Leases (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Accumulated deficit	$ (3,200.8)	$ (858.7)
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net
Accounting Standards Update 2016-02 | Cumulative Effect, Period of Adoption, Adjustment
Lessee, Lease, Description [Line Items]
Accumulated deficit			$ 40.3