Stock-based compensation - Schedule of Stock Option Grants Valuation Assumptions (Details) |
9 Months Ended |
|---|---|
|
Sep. 30, 2022
$ / shares
| |
| Minimum | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Expected term in years | 3 years 14 days |
| Maximum | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Expected term in years | 3 years 9 months |
| Incentive Stock Options | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Weighted-average fair value (in dollars per share) | $ 1.51 |
| Expected volatility | 26.70% |
| Expected dividend yield | 0.00% |
| Incentive Stock Options | Minimum | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Risk-free interest rate | 2.20% |
| Expected term in years | 5 years 18 days |
| Incentive Stock Options | Maximum | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Risk-free interest rate | 3.51% |
| Expected term in years | 6 years 3 months |