Stock-Based Compensation Expense and Employee Benefit Plans - Number of Shares Available for Grant (Details)	9 Months Ended
	Sep. 30, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award, Available for Grant [Roll Forward]
Beginning balance (in shares)	24,146,784
Added to plan (in shares)	8,384,460
Granted (in shares)	(4,981,732)
Cancelled/Forfeited (in shares)	2,062,177
Expired (in shares)	(1,196,565)
Ending Balance (in shares)	28,415,124