Consolidated balance sheet components - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) security	Aug. 24, 2021 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Realized gains and losses reclassified from accumulated other comprehensive loss to other income (expense), net	$ 0		$ 0
Number of continuous unrealized loss position for twelve months or longer | security	0		0		0
Depreciation	$ 800	$ 1,100	$ 1,600	$ 2,300
Amortization of capitalized software	4,300	3,000	8,200	5,700
Amortization of intangible assets	1,000	$ 1,000	2,100	$ 2,100
Goodwill	$ 12,646		$ 12,646		$ 12,646
CorpU
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill						$ 12,600