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Income taxes - Narrative (Details) - USD ($) shares in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Income Tax Contingency [Line Items] |  |  |
Uncertain tax positions | $ 0 |  |
Class A Common Stock |  |  |
Income Tax Contingency [Line Items] |  |  |
Redemption of LLC Units (in shares) | 700 | 300 |
LLC Units |  |  |
Income Tax Contingency [Line Items] |  |  |
Redemption of LLC Units (in shares) | 700 | 300 |
Common stock | Class A Common Stock |  |  |
Income Tax Contingency [Line Items] |  |  |
Redemption of LLC Units (in shares) | 685 | 334 | 1,517
Pre-IPO LLC | LLC Units |  |  |
Income Tax Contingency [Line Items] |  |  |
Redemption of LLC Units (in shares) | 700 | 300 | 1,500
Tax Receivable Agreement | Pre-IPO LLC |  |  |
Income Tax Contingency [Line Items] |  |  |
Percentage due to related parties | 85.00% |  |
Due to related parties | $ 171,900,000 | $ 160,100,000 |
Due to related parties, current | 6,200,000 | $ 0.0 |
Domestic Tax Jurisdiction |  |  |
Income Tax Contingency [Line Items] |  |  |
Net operating loss carryforwards | 103,000,000.0 |  |
State and Local Jurisdiction |  |  |
Income Tax Contingency [Line Items] |  |  |
Net operating loss carryforwards | $ 19,400,000 |  |

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