Property and Equipment, Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Property, Plant and Equipment [Line Items]
Depreciation	$ 815	$ 482	$ 2,190	$ 1,319
Impairment of property and equipment (see Note 4)	0	5,044	0	5,044
Fabrication of Commercial Communications Satellite
Property, Plant and Equipment [Line Items]
Construction in progress	$ 32,700		$ 32,700
Fabrication of Commercial Communications Satellite | Construction in progress
Property, Plant and Equipment [Line Items]
Impairment of property and equipment (see Note 4)		5,000		5,000
Interest costs capitalized		$ 500		$ 500