CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash Flows From Operating Activities:
Net income (loss)	$ (203,281)	$ (108,375)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	488,333	485,400
Realized and unrealized losses (gains) on investments, impairments and other	(35,769)	23,893
Non-cash, stock-based compensation	7,609	9,058
Deferred tax expense (benefit)	(68,902)	(11,688)
Changes in allowance for credit losses	(1,987)	10,516
Change in long-term deferred revenue and other long-term liabilities	(2,772)	(3,871)
Other, net	51,627	31,261
Changes in operating assets and operating liabilities, net	(28,103)	15,065
Net cash flows from operating activities	206,755	451,259
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(1,807,779)	(19,135)
Sales and maturities of marketable investment securities	533,812	458,792
Purchases of property and equipment (Note 7)	(258,427)	(519,612)
Capitalized interest related to regulatory authorizations (Note 2)	(120,057)	(158,084)
Purchases of regulatory authorizations, including deposits		(1,104)
Other, net	(4,268)	998
Net cash flows from investing activities	(1,656,719)	(238,145)
Cash Flows From Financing Activities:
Repayment of long-term debt, finance lease and other obligations	(24,671)	(27,125)
Redemption and repurchases of term loans, convertible and senior notes	(289,383)	(951,168)
Early debt extinguishment gains (losses) of convertible and senior notes	11,465
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan	2,534	(160)
Purchase of SNR Management's ownership interest in SNR HoldCo		(441,998)
Other, net	(31,792)
Net cash flows from financing activities	(331,847)	(1,420,451)
Effect of exchange rates on cash and cash equivalents	1,714	(849)
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(1,780,097)	(1,208,186)
Cash, cash equivalents, restricted cash and cash equivalents, beginning of period (Note 5)	4,593,804	1,911,601
Cash, cash equivalents, restricted cash and cash equivalents, end of period (Note 5)	$ 2,813,707	$ 703,415