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Fair Value Measurements and Long-term Investments - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Mar. 27, 2024	Jun. 30, 2025	Dec. 31, 2018	Mar. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term investments				$ 5.0	$ 5.0
Subsequent Event
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities without readily determinable fair value, downward price adjustment, annual amount		$ 5.0
Other Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term investments				$ 30.5	$ 24.0
Meitu, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of hierarchy securities	$ 18.4
Equity securities, realized gain	$ 3.4
Variable Interest Entity, Not Primary Beneficiary \| Zcool Network Technology Limited \| Convertible Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment value			$ 15.0