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Research and Development Arrangements (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 31, 2022 USD ($) Provider	Jul. 31, 2026 USD ($)	Jul. 31, 2025 USD ($)	Jul. 31, 2026 USD ($)	Jul. 31, 2025 USD ($)	Jan. 31, 2026 USD ($)
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development expense		$ 35,156	$ 24,155	$ 68,576	$ 47,229
R&D Services Agreement \| Google
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development fee recognized		3,600		4,800
Research and development expense		3,600		4,800
Proceeds from feeds received				9,500		$ 5,000
NASA Communication Services Project
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development fee recognized		1,500	1,800	2,900	3,500
Research and development expense		$ 1,500	$ 1,800	3,000	$ 3,500
Number of satellites \| Provider	2
Research and development arrangement, funding receivable	$ 40,500
Funding for research and development				$ 31,500		$ 30,400