Acquisition - Summary of Purchase Price Allocation of Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	May 30, 2023	Mar. 31, 2023
Business Acquisition [Line Items]
Goodwill	$ 1,592,057		$ 158,542
Inmarsat Holdings [Member]
Business Acquisition [Line Items]
Current assets		$ 652,396
Property, equipment and satellites		4,589,853
Identifiable intangible assets		2,370,700
Other assets		401,754
Total assets acquired		8,014,703
Current liabilities		(579,874)
Long-term debt		(3,519,550)
Other long-term liabilities		(2,670,504)
Total liabilities assumed		(6,769,928)
Goodwill		1,434,317
Total consideration transferred		$ 2,679,092