Concentrations of risk and geographic information - Schedule of Revenue by Geographic Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Revenues	$ 99,065	$ 134,308
United States [Member]
Segment Reporting Information [Line Items]
Revenues	55,300	62,800
Americas [Member]
Segment Reporting Information [Line Items]
Revenues	67,448	81,855
Europe, Middle East and Africa [Member]
Segment Reporting Information [Line Items]
Revenues	20,749	40,076
Asia and Pacific Area Countries [Member]
Segment Reporting Information [Line Items]
Revenues	$ 10,868	$ 12,377

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details