GOODWILL AND INTANGIBLE ASSETS, NET - Schedule of Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Nov. 19, 2025	Oct. 24, 2025	Aug. 06, 2025	May 02, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross goodwill	$ 258,982					$ 147,823
Accumulated impairment loss	(101,308)					(101,308)
Goodwill	157,674					46,515
OPC Acquisition
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 4,000
Acquisition	3,995
EMSI Acquisition
Finite-Lived Intangible Assets [Line Items]
Goodwill				$ 21,600
Acquisition	21,598
ExoTerra Acquisition
Finite-Lived Intangible Assets [Line Items]
Goodwill			$ 57,290
Acquisition	57,290
Estes Acquisition
Finite-Lived Intangible Assets [Line Items]
Goodwill		$ 28,276
Acquisition	28,276
Defense and National Security
Finite-Lived Intangible Assets [Line Items]
Gross goodwill	205,887					94,728
Accumulated impairment loss	(72,859)					(72,859)
Goodwill	133,028					21,869
Defense and National Security | OPC Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	3,995
Defense and National Security | EMSI Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	21,598
Defense and National Security | ExoTerra Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	57,290
Defense and National Security | Estes Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	28,276
Space Solutions
Finite-Lived Intangible Assets [Line Items]
Gross goodwill	48,348					48,348
Accumulated impairment loss	(28,449)					(28,449)
Goodwill	19,899					19,899
Space Solutions | OPC Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Space Solutions | EMSI Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Space Solutions | ExoTerra Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Space Solutions | Estes Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Starlab Space Stations
Finite-Lived Intangible Assets [Line Items]
Gross goodwill	4,747					4,747
Accumulated impairment loss	0					0
Goodwill	4,747					$ 4,747
Starlab Space Stations | OPC Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Starlab Space Stations | EMSI Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Starlab Space Stations | ExoTerra Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	0
Starlab Space Stations | Estes Acquisition
Finite-Lived Intangible Assets [Line Items]
Acquisition	$ 0