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