Revenue - Schedule of Contract Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Contract liabilities – current
Deferred revenue	$ 56,438	$ 54,803
Contract loss provision	9,165	7,890
Accrued launch costs	555	2,491
Total contract liabilities – current	66,158	65,184
Contract liabilities – long-term
Deferred revenue	0	14,334
Contract loss provision	1,636	0
Contract liabilities, non-current	1,636	14,334
Total contract liabilities	$ 67,794	$ 79,518