Revenue from Contracts with Customers - Contract Assets (Details) - USD ($) |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Contract With Customer Asset And Liability [Line Items] | |||
| Beginning balance | $ 114,918,000 | ||
| Additions | 140,722,000 | ||
| Transfers to accounts receivable | (151,018,000) | ||
| Ending balance | 104,622,000 | $ 114,918,000 | |
| HMH Holding BV And Subsidiaries [Member] | |||
| Contract With Customer Asset And Liability [Line Items] | |||
| Beginning balance | $ 114,918 | 153,150 | $ 160,933 |
| Additions | 324,949,000 | 263,591 | |
| Transfers to accounts receivable | (350,896,000) | (271,374) | |
| Written off | (12,285) | 0 | |
| Ending balance | $ 114,918 | $ 153,150 | |