Employee Benefit Plans - Stock Activity, Weighted Average Exercise Price (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Shares
Exercised (in shares)			0	0
Service Options Awards
Shares
Options outstanding, beginning balance (in shares)			9,786,909
Granted (in shares)			1,097,974
Exercised (in shares)			(727,992)
Forfeited (in shares)			(127,634)
Options outstanding, end balance (in shares)	10,029,257		10,029,257		9,786,909
Options exercisable (in shares)	6,561,842		6,561,842
Options unvested (in shares)	3,467,415		3,467,415
Weighted Average Exercise Price
Options outstanding, beginning balance, weighted-average exercise price			$ 11.65
Granted, weighted-average exercise price			23.55
Exercised, weighted-average exercise price			2.86
Forfeited, weighted-average exercise price			24.05
Options outstanding, end balance, weighted-average exercise price	$ 13.47		13.47		$ 11.65
Options exercisable, weighted-average exercise price	8.35		8.35
Options unvested, weighted-average exercise price	$ 23.15		$ 23.15
Stock option activity additional disclosures
Options outstanding, weighted-average remaining contractual term			7 years 4 months 6 days		7 years 8 months 12 days
Options exercisable, weighted-average remaining contractual term			6 years 7 months 17 days
Options unvested, weighted-average remaining contractual term			8 years 8 months 19 days
Options outstanding, aggregate intrinsic value	$ 101,193		$ 101,193		$ 172,412
Options exercisable, aggregate intrinsic value	90,283		90,283
Options unvested, aggregate intrinsic value	$ 10,910		$ 10,910
Weighted-average grant date fair value of options granted (per share)	$ 14.64	$ 15.82	$ 15.31	$ 19.76
Fair value of stock options that vested during the period	$ 15,500	$ 10,400	$ 21,740	$ 10,900
Compensation cost	6,800	$ 4,200	19,200	11,900
Unrecognized compensation cost	$ 42,400		$ 42,400
Period for recognition			1 year 10 months 6 days
Intrinsic fair value of options exercised			$ 14,800	102,100
Performance Option Awards
Shares
Options outstanding, beginning balance (in shares)			14,020,000
Granted (in shares)			1,500,000
Options outstanding, end balance (in shares)	15,520,000		15,520,000		14,020,000
Options exercisable (in shares)	1,391,000		1,391,000
Options unvested (in shares)	14,129,000		14,129,000
Weighted Average Exercise Price
Options outstanding, beginning balance, weighted-average exercise price			$ 26.92
Granted, weighted-average exercise price			26.38
Options outstanding, end balance, weighted-average exercise price	$ 26.87		26.87		$ 26.92
Options exercisable, weighted-average exercise price	26.92		26.92
Options unvested, weighted-average exercise price	$ 26.86		$ 26.86
Stock option activity additional disclosures
Options outstanding, weighted-average remaining contractual term			6 years 25 days		6 years 8 months 12 days
Options granted, weighted-average remaining contractual term			6 years 10 months 20 days
Options exercisable, weighted-average remaining contractual term			5 years 11 months 23 days
Options unvested, weighted-average remaining contractual term			6 years 25 days
Options outstanding, aggregate intrinsic value					$ 18,336,200
Options unvested, aggregate intrinsic value	$ 0		$ 0
Weighted-average grant date fair value of options granted (per share)	$ 9.73	$ 12.78
Fair value of stock options that vested during the period	$ 20,800	$ 0	$ 20,800	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			6 years 1 month 6 days
Compensation cost	$ 26,100	$ 2,000	$ 76,500	$ 2,000
Unrecognized compensation cost	$ 89,700		$ 89,700
Period for recognition			2 years 25 days