Segment and geographic information (Schedule of Disaggregated Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue, Major Customer [Line Items]
Revenues	$ 391,481	$ 361,375	$ 337,366
Marketplace Revenue [Member]
Revenue, Major Customer [Line Items]
Revenues	303,069	306,981	296,263
Services Revenue [Member]
Revenue, Major Customer [Line Items]
Revenues	$ 88,412	$ 54,394	$ 41,103

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