CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows From Operating Activities:
Net income (loss)	$ (10,231)	$ 243,238
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	367,074	245,697
Realized and unrealized losses (gains) on investments, impairments and other	870	259
Realized and unrealized losses (gains) on derivatives		28,961
Realized losses (gains) on sale of assets to EchoStar (Note 12)	(128,788)
Non-cash, stock-based compensation	6,115	12,037
Deferred tax expense (benefit)	(1,073)	70,745
Changes in allowance for credit losses	8,111	171
Change in long-term deferred revenue and other long-term liabilities	16,054	1,214
Other, net	48,293	38,579
Changes in current assets and current liabilities, net	54,261	96,473
Net cash flows from operating activities	360,686	737,374
Cash Flows From Investing Activities:
Purchases of marketable investment securities	(10,730)	(368,091)
Sales and maturities of marketable investment securities	15,748	914,422
Purchases of property and equipment	(415,579)	(707,210)
Capitalized interest related to regulatory authorizations (Note 2)	(93,300)	(199,395)
Purchases of regulatory authorizations, including deposits	(1,104)	(1,771)
Asset Sale to EchoStar (Note 13)	160,000
700 MHz Sale to EchoStar (Note 13)	889,000
Other, net	(23,352)	1,067
Net cash flows from investing activities	520,683	(360,978)
Cash Flows From Financing Activities:
Repayment of long-term debt and finance lease obligations	(24,851)	(25,626)
Redemption and repurchases of senior notes	(951,168)	(1,443,179)
Proceeds from issuance of senior notes		1,500,000
Net proceeds from Class A common stock options exercised and stock issued under the Employee Stock Purchase Plan		2,867
Debt issuance costs and debt (discount) premium		21,635
Proceeds from accrued interest		34,760
Other, net	(62)	(5,073)
Net cash flows from financing activities	(976,081)	85,384
Net increase (decrease) in cash, cash equivalents, restricted cash and cash equivalents	(94,712)	461,780
Cash, cash equivalents, restricted cash and cash equivalents, beginning of period (Note 5)	462,748	1,847,981
Cash, cash equivalents, restricted cash and cash equivalents, end of period (Note 5)	$ 368,036	$ 2,309,761