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SEGMENTS - Summary of Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Sales Information [Line Items]
Cost of revenues	$ 79,089	$ 47,452	$ 147,682	$ 95,990
Gross profit	27,162	14,593	51,336	20,950
Launch Services [Member]
Sales Information [Line Items]
Revenues	29,357	22,495	62,076	42,116
Cost of revenues	21,586	17,454	45,898	37,833
Gross profit	7,771	5,041	16,178	4,283
Space Systems [Member]
Sales Information [Line Items]
Revenues	76,894	39,550	136,942	74,824
Cost of revenues	57,503	29,998	101,784	58,157
Gross profit	$ 19,391	$ 9,552	$ 35,158	$ 16,667

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