Business combinations - Summary of Assets and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Aug. 24, 2021
Business Acquisition [Line Items]
Goodwill	$ 12,646	$ 12,646
CorpU
Business Acquisition [Line Items]
Cash and cash equivalents			$ 2,641
Accounts receivable, net			250
Prepaid expenses and other current assets			67
Property and equipment, net			133
Intangible assets			15,100
Goodwill			12,646
Accounts payable and other liabilities			(596)
Deferred revenue			(1,610)
Total acquisition consideration			$ 28,631