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Summary of significant accounting policies - Deferred Contract Costs, Concentrations of Risk, Advertising, Interest Income (Expense), Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Concentration Risk [Line Items]
Benefit period (in years)	5 years
Total amortization of contract costs	$ 26,900,000	$ 21,500,000	$ 16,600,000
Impairment losses	0	0	0
Trade accounts receivable, net	138,791,000	108,240,000
Advertising costs	$ 26,500,000	$ 26,200,000	$ 22,700,000
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| One Distributors
Concentration Risk [Line Items]
Concentration risk percentage (more than for total revenue)	10.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| Two Distributors
Concentration Risk [Line Items]
Concentration risk percentage (more than for total revenue)		10.00%
Accounts Receivable \| Customer Concentration Risk \| One Distributors
Concentration Risk [Line Items]
Concentration risk percentage (more than for total revenue)	16.00%
Trade accounts receivable, net	$ 22,000,000.0
Accounts Receivable \| Customer Concentration Risk \| Two Distributors
Concentration Risk [Line Items]
Concentration risk percentage (more than for total revenue)		30.00%
Trade accounts receivable, net		$ 32,100,000