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Acquisition - Summary of Identifiable Intangible Assets Amortized on a Straight Line Basis (Details) - USD ($) $ in Thousands |  | 6 Months Ended
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May 30, 2023 | Sep. 30, 2023
Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 2,680,000 |
Weighted Average Estimated Useful Life | 10 years |
Orbital Slots And Spectrum Assets [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Estimated Useful Life |  | 12 years
Orbital Slots And Spectrum Assets [Member] | Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 1,010,000 |
Weighted Average Estimated Useful Life | 12 years |
Customer Relationships [Member] | Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 1,155,000 |
Weighted Average Estimated Useful Life | 11 years |
Technology [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Estimated Useful Life |  | 7 years
Technology [Member] | Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 105,000 |
Weighted Average Estimated Useful Life | 7 years |
Trade Name [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Estimated Useful Life |  | 8 years
Trade Name [Member] | Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 90,000 |
Weighted Average Estimated Useful Life | 8 years |
Other [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Weighted Average Estimated Useful Life |  | 5 years
Other [Member] | Inmarsat Holdings [Member] |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |
Estimated Fair Value | $ 320,000 |
Weighted Average Estimated Useful Life | 5 years |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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