Stock-Based Compensation Plans - Schedule of Stock-Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	9 Months Ended	12 Months Ended
	Aug. 31, 2020	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Options Outstanding and Available for Grant
Transferred to 2021 Plan (in shares)			(450,000)
Weighted-Average Exercise Price Per Share
Options granted (in dollars per share)			$ 6.66	$ 1.72	$ 1.38
2010 Plan
Options Outstanding and Available for Grant
Options outstanding, beginning balance (in shares)			19,440,000		22,775,000
Options granted (in shares)	3,588,535	924,000
Options exercised (in shares)		(3,480,000)
Options forfeited (in shares)		172,000
Options expired (in shares)		(779,000)
Options outstanding, ending balance (in shares)			19,440,000		22,775,000
Options outstanding and exercisable (in shares)			11,434,000
Weighted-Average Exercise Price Per Share
Beginning balance (in dollars per share)			$ 2,060.00	1.81
Options granted (in dollars per share)	$ 2.05		6,540
Options exercised (in dollars per share)			1,510
Options forfeited and expired (in dollars per share)			2,570
Ending balance (in dollars per share)			2,060.00	$ 1.81
Options outstanding and exercisable (in dollars per share)			$ 1,810
Weighted-Average Remaining Contractual Life (years)
Options outstanding (years)			6 years 3 months 14 days	7 years 4 months 9 days
Options outstanding and exercisable (in shares)			5 years 3 months 7 days
Aggregate Intrinsic Value (in thousands)
Options outstanding			$ 208,042	$ 107,696
Options outstanding and exercisable			$ 125,242
Outstanding stock options | 2010 Plan
Options Outstanding and Available for Grant
Options available for grant, beginning balance (in shares)				202,000
Options authorized (in shares)		1,000,000	1,000,000	6,500,000
Options available for grant, ending balance (in shares)			0		202,000