Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2018	Dec. 31, 2018	Jun. 09, 2021
Schedule of Equity Incentive Plans [Line Items]
Number of shares available for awards (in shares)	4,113,735
Exercise price range, minimum (in dollars per share)			$ 3.45
Exercise price range, maximum (in dollars per share)		$ 138.00
Other
Schedule of Equity Incentive Plans [Line Items]
Granted (in shares)			67,739
Aggregate value of awards granted			$ 0.1
Stock option
Schedule of Equity Incentive Plans [Line Items]
Total unrecognized compensation expense, net of estimated forfeitures, relating to stock options	$ 15.7
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition (year)	2 years 4 months 24 days
Restricted Stock
Schedule of Equity Incentive Plans [Line Items]
Granted (in shares)	2,348,105,000
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition (year)	2 years 3 months 18 days
Total fair value of restricted stock, vested	$ 0.6
Total unrecognized compensation expense, net of estimated forfeitures, relating to restricted stock awards	$ 19.4
2010 Plan
Schedule of Equity Incentive Plans [Line Items]
Number of shares of common stock reserved for issuance (in shares)				22,980,074