Stock-Based Compensation - RSU Activity (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Number of Restricted Stock Awards
Beginning balance (in shares) | shares	5,309,000
Shares granted (in shares) | shares	6,415,000
Vested (in shares) | shares	(2,303,000)
Canceled (in shares) | shares	(1,111,000)
Ending balance (in shares) | shares	8,310,000
Weighted Average Fair Value
Beginning balance (in usd per share) | $ / shares	$ 8.21
Granted (in usd per share) | $ / shares	1.39
Vested (in usd per share) | $ / shares	8.14
Canceled (in usd per share) | $ / shares	4.40
Ending balance (in usd per share) | $ / shares	$ 3.34