Balance Sheet Components - Schedule of Platform Development Costs (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]
Platform development	$ 37,261	$ 55,793
Less accumulated amortization	(15,746)	(33,381)
Net platform development	21,515	22,412
Capitalized platform development
Intangible Asset, Finite-Lived [Line Items]
Platform development	12,410	38,499
Less accumulated amortization	(5,040)	(28,737)
Net platform development	$ 7,370	$ 9,762