Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, related party	$ 0.1	$ 0.0
Investments and other assets, related party	10.0	0.0
Current portion of deferred revenue, related party	41.2	0.0
Deferred revenue, net of current portion, related party	$ 19.9	$ 0.0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	74,485,883	66,234,056
Common stock, shares outstanding	74,485,883	66,234,056