Summary of Significant Accounting Policies - Related Party (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Feb. 29, 2024	Dec. 31, 2024	Sep. 30, 2024	Aug. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 06, 2021
Preferred stock shares
Related Party Transaction [Line Items]
Investment in equity securities without readily determinable fair value							$ 2.2
Warrants to purchase stock
Related Party Transaction [Line Items]
Investment in equity securities without readily determinable fair value							1.8
MyOme, Inc.
Related Party Transaction [Line Items]
Investment in equity securities without readily determinable fair value				$ 2.7			$ 4.0
Warrants term	10 years
Warrants convertible into number of stock shares	3,058,485		2,080,565
Warrants exercise price (in dollars per share)	$ 0.25
Warrants impairment		$ 0.0
Carrying amount of investments		4.9			$ 2.2
Carrying value of warrants and warrant receivable		11.2			1.8
Amortization of non-cash liability		0.4
MyOme, Inc. | Series B preferred stock
Related Party Transaction [Line Items]
Warrants convertible into number of stock shares	2,080,565
Warrants exercise price (in dollars per share)	$ 0.01
Equity securities without readily determinable fair value, upward price adjustment amount		0.0			0.0	$ 0.0
Equity securities without readily determinable fair value, downward price adjustment amount		$ 0.0			$ 0.0	$ 0.0
Executive chairman | MyOme, Inc.
Related Party Transaction [Line Items]
Ownership percentage		22.60%