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Related-Party Transactions - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Revenues | $ 1,123,767 | $ 1,128,539 | $ 3,372,489 | $ 3,133,745 |
Amount receivable | 648,962 |  | 648,962 |  | $ 678,210
Navarino UK And JSAT Mobile [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Revenues | 16,200 | 17,300 | 50,000 | 42,600 |
Cash received | 16,200 | $ 18,000 | 52,400 | $ 43,100 |
Amount receivable | $ 9,400 |  | $ 9,400 |  | $ 13,200

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