Related-Party Transactions - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	$ 1,171,054	$ 1,126,460
Amount receivable	686,185		$ 699,552
Navarino UK And JSAT Mobile [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenues	16,900	16,800
Cash received	15,300	19,300
Amount receivable	$ 10,100	$ 8,500