PROPERTY AND EQUIPMENT, NET - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 184,510 | $ 66,361 |
| Less: Accumulated depreciation | (20,224) | (16,922) |
| Property and equipment, net | 164,286 | 49,439 |
| Equipment in orbit | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 19,533 | 19,533 |
| Machinery and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 13,183 | 4,860 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 3,187 | 2,276 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 143,869 | 37,251 |
| Building | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 906 | 0 |
| IT related equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 3,832 | $ 2,441 |