Supplemental Data - Statements of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Supplemental Data - Statements of Cash Flows
Cash paid for interest (including capitalized interest)	$ 851,275	$ 798,773
Cash received for interest	11,578	6,827
Cash paid for income taxes	22,440	49,746
Capitalized interest	969,736	773,689
Employee benefits paid in Class A common stock	14,680	26,348
Vendor financing	87,343	82,325
FCC licenses reclassification		122,657
Asset retirement obligation	65,580	101,342
Accrued Upfront Payment	100,000
Unsettled sales of marketable investment securities	119,068
Wireless equipment
Supplemental Data - Statements of Cash Flows
Accrued wireless equipment purchases	$ 281,444	$ 537,977