Stock-Based Compensation - Restricted Stock Units Activity Under Company's Stock Plans (Details) - Restricted stock units - 2021 Equity Incentive Plan	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Number of RSUs
Beginning balance (in shares) | shares	6,364,022
Granted (in shares) | shares	4,342,919
Dividend equivalent grants (in shares) | shares	594,486
Vested (in shares) | shares	(1,997,154)
Forfeited / cancelled (in shares) | shares	(410,442)
Ending balance (in shares) | shares	8,893,831
Weighted- Average Grant Date Fair Value (per share)
Beginning balance (in dollars per share) | $ / shares	$ 18.06
Granted (in dollars per share) | $ / shares	10.42
Dividend equivalent grants (in dollars per share) | $ / shares	0
Vested (in dollars per share) | $ / shares	18.77
Forfeited / cancelled (in dollars per share) | $ / shares	14.49
Ending balance (in dollars per share) | $ / shares	$ 14.38