Stock-Based Compensation - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) equity_compensation_plan $ / shares shares	Sep. 30, 2022 USD ($) $ / shares	Sep. 30, 2023 USD ($) equity_compensation_plan $ / shares shares	Sep. 30, 2022 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense | $	$ 11.5		$ 11.5
Unrecognized compensation expense related to options outstanding, weighted average period for expense to be recognized			1 year 7 months 6 days
Number of equity compensation plans | equity_compensation_plan	2		2
Options, grants in period, weighted average grant date fair value (in USD per share) | $ / shares	$ 0.41	$ 2.01	$ 0.87	$ 3.19
Options, vested in period, fair value | $	$ 0.4	$ 0.6	$ 8.5	$ 4.6
2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant (in shares)	0.8		0.8
Number of shares available for future grant (in shares)	0.4		0.4
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant (in shares)	28.4		28.4
Number of shares available for future grant (in shares)	9.5		9.5