Earnings (Loss) Per Share - Antidilutive Securities (Details)	9 Months Ended
	Sep. 30, 2021 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	39,439,298
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	7,166,301
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	12,700,104
Restricted stock awards and restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	10,966,176
Earn-out shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total (in shares)	8,606,717