Revenue - Schedule of Deferred Revenue (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 169,718	$ 153,973
Launch Revenue
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	75,643	65,403
Spacecraft Solutions Revenue
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	89,970	87,291
Other Revenue
Deferred Revenue Arrangement [Line Items]
Total deferred revenue	$ 4,105	$ 1,279

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_DeferredRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant