Additional Balance Sheet and Cash Flow Information - Schedule of Inventories, Net (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Inventory | |||
| Raw materials and work in process | $ 285,013 | $ 338,744 | $ 322,451 |
| Inventory at lower of FIFO cost or net realizable value | 645,925 | 870,462 | 764,293 |
| Excess of FIFO over LIFO cost | (144,990) | (139,564) | (134,006) |
| Total inventories, net | 500,935 | 730,898 | 630,287 |
| Motorcycle finished goods | |||
| Inventory | |||
| Inventory, finished goods, net of inventory valuation adjustment | 262,040 | 434,044 | 333,347 |
| Parts and accessories and apparel | |||
| Inventory | |||
| Inventory, finished goods, net of inventory valuation adjustment | $ 98,872 | $ 97,674 | $ 108,495 |