SEGMENT REPORTING - Schedule of Capital Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Total capital expenditures	$ 51,116	$ 26,970
Operating Segments | Defense and Space Technologies
Segment Reporting Information [Line Items]
Total capital expenditures	12,799	1,041
Operating Segments | Starlab Space Stations
Segment Reporting Information [Line Items]
Total capital expenditures	37,828	25,894
Corporate
Segment Reporting Information [Line Items]
Total capital expenditures	$ 489	$ 35