Stock-Based Compensation and Employee Benefit Plans - Employee Stock Purchase Plan (Details)		12 Months Ended
	Jul. 05, 2018	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Jul. 25, 2018 shares	Apr. 30, 2018 shares
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share maximum per employee		2,500
Purchase period		6 months
Employee subscription amount | $		$ 25,000
2018 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock reserved for issuance (in shares)		15,204,584	13,840,716
Employee stock ownership plan (ESOP), compensation expense | $		$ 15,500,000	$ 16,200,000	$ 7,600,000
Share-based compensation arrangement by share-based payment award, shares issued in period		875,695	759,744	1,945,305
Number of additional shares authorized (in shares)		2,239,563	12,055,792	1,902,572
Unrecognized stock-based compensation cost | $		$ 8,800,000	$ 12,000,000
Expense expected to be recognized over a weighted-average period		9 months 18 days	7 months 6 days
2018 ESPP | Employee Stock | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common stock reserved for issuance (in shares)						33,333,333
Number of common stock reserved for issuance (in shares)					3,333,333
Period for additional share issuance	9 years
Percent of outstanding shares					0.01
Purchase price of common stock, percentage of fair market value			85.00%