Variable interest entities - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||
| Abandonment of lot option contracts | $ 0 | $ 716 | $ 0 |