Investments - Level 3 fair value measurements (Details)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (years)	6 years 9 months 18 days	7 years 9 months 18 days
Estimated volatility	52.00%	48.00%
Risk-free rate	4.50%	3.90%
Expected dividend yield	0.00%	0.00%
Warrants \| Level 3
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (years)	5 years 6 months	6 years 6 months
Estimated volatility	59.00%	56.00%
Risk-free rate	4.40%	3.90%
Expected dividend yield	0.00%	0.00%
Note \| Level 3
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (years)	5 years 6 months	6 years 6 months
Implied Yield	21.00%	21.70%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details