Share-Based Compensation Expense - Schedule of restricted stock awards and restricted stock units (Details) - Restricted Stock Units	6 Months Ended
	Jun. 30, 2023 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested, beginning of period (in shares) | shares	9,832,707
Granted (in shares) | shares	5,227,402
Vested (in shares) | shares	(3,587,346)
Cancelled or forfeited (in shares) | shares	(1,624,916)
Non-vested, end of period (in shares) | shares	9,847,847
Share Based Compensation Arrangement By Share Based Payment Award, Non Option Equity Instruments, Weighted Average Fair Value [Roll Forward]
Non-vested, beginning of period (in dollars per share) | $ / shares	$ 1.30
Granted (in dollars per share) | $ / shares	0.81
Vested (in dollars per share) | $ / shares	1.57
Cancelled or forfeited (in dollars per share) | $ / shares	1.38
Non-vested, ending of period (in dollars per share) | $ / shares	$ 1.00