Stock-Based Compensation Expense and Employee Benefit Plans - Employee Stock Purchase Plan (Details) - 2018 ESPP - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock ownership plan (ESOP), compensation expense	$ 5.9	$ 4.4	$ 12.4	$ 6.9
Number of shares issued (in shares)			449,525	420,689
Number of additional shares authorized (in shares)			2,239,563	2,055,792
Number of common stock reserved for issuance (in shares)	15,630,754		15,630,754		13,840,716
Unrecognized stock-based compensation cost	$ 14.9		$ 14.9		$ 12.0
Expense expected to be recognized over a weighted-average period			8 months 12 days		7 months 6 days