Stock-Based Compensation and Employee Benefit Plans - Employee Stock Purchase Plan (Details)		12 Months Ended
	Jul. 05, 2018	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	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)		13,840,716	2,544,668
Employee stock ownership plan (ESOP), compensation expense | $		$ 16,200,000	$ 7,600,000	$ 5,700,000
Share-based compensation arrangement by share-based payment award, shares issued in period		759,744	1,945,305
Number of additional shares authorized (in shares)		12,055,792	1,902,572
Unrecognized stock-based compensation cost | $		$ 12,000,000	$ 9,800,000
Expense expected to be recognized over a weighted-average period		7 months 6 days	6 months
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%