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Research and Development Arrangements (Details) $ in Thousands	1 Months Ended			12 Months Ended
	Jan. 31, 2025 USD ($)	Jul. 31, 2023 USD ($)	Aug. 31, 2022 USD ($) Provider	Jan. 31, 2026 USD ($)	Jan. 31, 2025 USD ($)	Jan. 31, 2024 USD ($)	Dec. 31, 2020 USD ($)
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development				$ 106,749	$ 101,006	$ 116,339
R&D Services Agreement
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development arrangement, fee provided							$ 46,400
Research and development fee recognized	$ 1,500			200	9,200	16,600
Research and development				200	7,000	17,600
Proceeds from feeds received				46,400	46,400
R&D Services Agreement \| Google
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development fee recognized				400
Research and development				400
Proceeds from feeds received				5,000
NASA Communication Services Project
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Research and development fee recognized		$ 2,200		7,300	9,900	11,900
Research and development				7,300	9,900	$ 11,200
Number of satellites \| Provider			2
Research and development arrangement, funding receivable			$ 40,500
Funding for research and development				$ 30,400	$ 28,700