Employee Benefit Plans - Stock Activity, Weighted Average Exercise Price (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Service Stock Options Awards
Shares
Options outstanding, beginning balance (in shares)			12,078,269
Granted (in shares)			471,593
Exercised (in shares)			(186,437)
Forfeited (in shares)			(467,033)
Options outstanding, end balance (in shares)	11,896,392		11,896,392		12,078,269
Options exercisable, ending balance (in shares)	6,963,514		6,963,514
Options unvested, ending balance (in shares)	4,932,878		4,932,878
Weighted Average Exercise Price
Options outstanding, beginning balance, weighted-average exercise price			$ 14.34
Granted, weighted-average exercise price			9.94
Exercised, weighted-average exercise price			3.93
Forfeited, weighted-average exercise price			24.74
Options outstanding, ending balance, weighted-average exercise price	$ 13.92		13.92		$ 14.34
Options exercisable, ending balance, weighted-average exercise price	10.09		10.09
Options unvested, ending balance, weighted-average exercise price	$ 19.33		$ 19.33
Stock option activity additional disclosures
Options outstanding, weighted-average remaining contractual term			7 years 2 months 1 day		7 years 6 months 25 days
Options exercisable, weighted-average remaining contractual term			6 years 1 month 6 days
Options unvested, weighted-average remaining contractual term			8 years 7 months 28 days
Options outstanding, aggregate intrinsic value	$ 33,238		$ 33,238		$ 42,835
Options exercisable, aggregate intrinsic value	32,391		32,391
Options unvested, aggregate intrinsic value	847		$ 847
Weighted-average grant date fair value of options granted (per share)			$ 6.76	$ 15.68
Fair value of stock options that vested during the period			$ 9,800	$ 6,200
Compensation cost	6,900	$ 6,500	15,200	12,400
Unrecognized compensation cost	$ 40,700		$ 40,700
Period for recognition			1 year 10 months 2 days
Intrinsic fair value of options exercised			$ 1,800	$ 4,100
Performance Stock Option Awards
Shares
Options outstanding, beginning balance (in shares)			15,520,000
Granted (in shares)			6,405,000	6,405,000
Exercised (in shares)			0	0
Options outstanding, end balance (in shares)	21,925,000		21,925,000		15,520,000
Options exercisable, ending balance (in shares)	1,391,000		1,391,000
Options unvested, ending balance (in shares)	20,534,000		20,534,000
Weighted Average Exercise Price
Options outstanding, beginning balance, weighted-average exercise price			$ 26.87
Granted, weighted-average exercise price			7.87
Options outstanding, ending balance, weighted-average exercise price	$ 21.32		21.32		$ 26.87
Options exercisable, ending balance, weighted-average exercise price	26.92		26.92
Options unvested, ending balance, weighted-average exercise price	$ 20.94		$ 20.94
Stock option activity additional disclosures
Options outstanding, weighted-average remaining contractual term			5 years 9 months 10 days		5 years 9 months 21 days
Options granted, weighted-average remaining contractual term			6 years 10 months 17 days
Options exercisable, weighted-average remaining contractual term			5 years 2 months 23 days
Options unvested, weighted-average remaining contractual term			5 years 9 months 21 days
Options unvested, aggregate intrinsic value	$ 0		$ 0
Option expected to vest (in shares)	2,782,000		2,782,000
Unvested stock options expected to vest period for calculation of weighted- average exercise price			5 years 9 months 21 days
Vested (in shares)			0	0
Compensation cost	$ 17,900	$ 25,300	$ 35,300	$ 50,400
Unrecognized compensation cost	$ 62,900		$ 62,900
Period for recognition			1 year 10 months 24 days