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Basis of Presentation - Summary of Minority Interest (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Net income (loss) attributable to Viasat, Inc. | $ (42,228) | $ (6,613) | $ (112,032) | $ 13,646
TrellisWare [Member] |  |  |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Net income (loss) attributable to Viasat, Inc. | (42,228) | (6,613) | (112,032) | 13,646
Transfers to noncontrolling interest | 0 |  | (11,783) |
Change from net income (loss) attributable to Viasat, Inc. and transfers from (to) noncontrolling interest | $ (42,228) | $ (6,613) | $ (123,815) | $ 13,646

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