Additional Balance Sheet and Cash Flow Information - Schedule of Inventories, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Inventory
Raw materials and work in process	$ 318,169	$ 353,819	$ 341,884
Inventory at lower of FIFO cost or net realizable value	844,205	875,852	908,545
Excess of FIFO over LIFO cost	(131,893)	(130,059)	(128,970)
Total inventories, net	712,312	745,793	779,575
Deposits	513,300	550,600	441,200
Motorcycle finished goods
Inventory
Inventory, finished goods, net of inventory valuation adjustment	407,231	411,442	422,504
Parts and accessories and apparel
Inventory
Inventory, finished goods, net of inventory valuation adjustment	$ 118,805	$ 110,591	$ 144,157