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Stock-based compensation - Summary of Stock-based Compensation Expense by Financial Statement (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total	[1]	$ 31,327	$ 30,553	$ 28,491
Cost of Revenue and Operations
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total		820	871	1,487
Product and Technology
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total		8,656	10,684	8,814
Marketing and Sales
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total		6,034	5,381	5,740
General and Administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total		$ 15,817	$ 13,617	$ 12,450
[1] For the years ended December 31, 2025, 2024 and 2023, $0.1 million, $0.3 million, and $0.3 million, respectively, of capitalized internally developed technology costs is excluded from stock-based compensation expense.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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