Summary of Significant Accounting Policies - Preferred Stock Discount (Details) - Private Placement - Series X redeemable convertible preferred stock - USD ($) $ in Millions	1 Months Ended	9 Months Ended
	Feb. 28, 2021	Sep. 30, 2024
Preferred stock discount
Beneficial conversion feature	$ 19.6
Deferred stock issuance costs for Underwriting Agreement	$ 5.7
Non-cash dividend		$ 24.4
Stock conversion amount to be recognized		$ 0.9