10-K Segment reporting - Schedule of assets by reportable segment (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] | |||
| Long-lived assets | $ 2,811,578 | $ 2,845,315 | $ 2,949,708 |
| Domestic | |||
| Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] | |||
| Long-lived assets | 2,393,748 | 2,415,707 | 2,574,687 |
| International | |||
| Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] | |||
| Long-lived assets | $ 417,830 | $ 429,608 | $ 375,021 |