Consolidated balance sheet components - Schedule of Intangible Assets Acquired through Business Combination (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 15,100	$ 15,100
Accumulated Amortization	(12,444)	(9,877)
Total expected amortization	$ 2,656	$ 5,223
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	6 years	6 years
Intangible Assets, Gross	$ 5,500	$ 5,500
Accumulated Amortization	(2,844)	(2,156)
Total expected amortization	$ 2,656	$ 3,344
Vendor relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	3 years	3 years
Intangible Assets, Gross	$ 4,500	$ 4,500
Accumulated Amortization	(4,500)	(3,528)
Total expected amortization	$ 0	$ 972
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	3 years	3 years
Intangible Assets, Gross	$ 4,200	$ 4,200
Accumulated Amortization	(4,200)	(3,293)
Total expected amortization	$ 0	$ 907
Tradename
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Lives	2 years	2 years
Intangible Assets, Gross	$ 900	$ 900
Accumulated Amortization	(900)	(900)
Total expected amortization	$ 0	$ 0