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Commitments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019
Long-term Purchase Commitment [Line Items] |  |
Satellite performance incentives obligation, Noncurrent | $ 24,349 | $ 25,324
Satellite Capacity Agreements [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
Future minimum payments on purchase commitments for fiscal year 2021 | 87,600 |
Future minimum payments on purchase commitments for fiscal year 2022 | 47,100 |
Future minimum payments on purchase commitments for fiscal year 2023 | 31,000 |
Future minimum payments on purchase commitments for fiscal year 2024 | 2,400 |
ViaSat-1 and ViaSat-2 Satellites [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
Satellite performance incentives obligation | 27,400 |
Satellite performance incentives obligation, current | 3,100 |
Satellite performance incentives obligation, Noncurrent | 24,300 |
ViaSat-1 and ViaSat-2 Satellites [Member] | Satellite Performance Incentives Obligation [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
Commitment amount | 34,300 |
Future minimum payments under satellite performance incentives obligation for fiscal year 2021 | 2,800 |
Future minimum payments under satellite performance incentives obligation for fiscal year 2022 | 4,500 |
Future minimum payments under satellite performance incentives obligation for fiscal year 2023 | 5,000 |
Future minimum payments under satellite performance incentives obligation for fiscal year 2024 | 5,300 |
Future minimum payments under satellite performance incentives obligation for fiscal year 2025 | 5,200 |
Future minimum payments under satellite performance incentives obligation thereafter | $ 11,500 |

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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing after the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25336-109308 + Details
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- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77896938&loc=d3e25336-109308 + Details
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